Make out private bits private

24 files changed, 400 insertions, 4511 deletions

diff --git a/BUILD b/BUILD
index 21fb7e2a3c..1898b4231b 100644
--- a/BUILD
+++ b/BUILD
@@ -203,7 +203,6 @@ cc_library(
     "src/core/iomgr/iomgr_posix.h",
     "src/core/iomgr/pollset.h",
     "src/core/iomgr/pollset_set.h",
-    "src/core/iomgr/pollset_set_posix.h",
     "src/core/iomgr/pollset_set_windows.h",
     "src/core/iomgr/pollset_windows.h",
     "src/core/iomgr/resolve_address.h",
@@ -530,7 +529,6 @@ cc_library(
     "src/core/iomgr/iomgr_posix.h",
     "src/core/iomgr/pollset.h",
     "src/core/iomgr/pollset_set.h",
-    "src/core/iomgr/pollset_set_posix.h",
     "src/core/iomgr/pollset_set_windows.h",
     "src/core/iomgr/pollset_windows.h",
     "src/core/iomgr/resolve_address.h",
@@ -1485,7 +1483,6 @@ objc_library(
     "src/core/iomgr/iomgr_posix.h",
     "src/core/iomgr/pollset.h",
     "src/core/iomgr/pollset_set.h",
-    "src/core/iomgr/pollset_set_posix.h",
     "src/core/iomgr/pollset_set_windows.h",
     "src/core/iomgr/pollset_windows.h",
     "src/core/iomgr/resolve_address.h",
diff --git a/Makefile b/Makefile
index d4d7edb39f..2cbb34d85e 100644
--- a/Makefile
+++ b/Makefile
@@ -1038,32 +1038,25 @@ h2_compress_test: $(BINDIR)/$(CONFIG)/h2_compress_test
 h2_fakesec_test: $(BINDIR)/$(CONFIG)/h2_fakesec_test
 h2_full_test: $(BINDIR)/$(CONFIG)/h2_full_test
 h2_full+pipe_test: $(BINDIR)/$(CONFIG)/h2_full+pipe_test
-h2_full+poll_test: $(BINDIR)/$(CONFIG)/h2_full+poll_test
-h2_full+poll+pipe_test: $(BINDIR)/$(CONFIG)/h2_full+poll+pipe_test
 h2_oauth2_test: $(BINDIR)/$(CONFIG)/h2_oauth2_test
 h2_proxy_test: $(BINDIR)/$(CONFIG)/h2_proxy_test
 h2_sockpair_test: $(BINDIR)/$(CONFIG)/h2_sockpair_test
 h2_sockpair+trace_test: $(BINDIR)/$(CONFIG)/h2_sockpair+trace_test
 h2_sockpair_1byte_test: $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_test
 h2_ssl_test: $(BINDIR)/$(CONFIG)/h2_ssl_test
-h2_ssl+poll_test: $(BINDIR)/$(CONFIG)/h2_ssl+poll_test
 h2_ssl_proxy_test: $(BINDIR)/$(CONFIG)/h2_ssl_proxy_test
 h2_uchannel_test: $(BINDIR)/$(CONFIG)/h2_uchannel_test
 h2_uds_test: $(BINDIR)/$(CONFIG)/h2_uds_test
-h2_uds+poll_test: $(BINDIR)/$(CONFIG)/h2_uds+poll_test
 h2_census_nosec_test: $(BINDIR)/$(CONFIG)/h2_census_nosec_test
 h2_compress_nosec_test: $(BINDIR)/$(CONFIG)/h2_compress_nosec_test
 h2_full_nosec_test: $(BINDIR)/$(CONFIG)/h2_full_nosec_test
 h2_full+pipe_nosec_test: $(BINDIR)/$(CONFIG)/h2_full+pipe_nosec_test
-h2_full+poll_nosec_test: $(BINDIR)/$(CONFIG)/h2_full+poll_nosec_test
-h2_full+poll+pipe_nosec_test: $(BINDIR)/$(CONFIG)/h2_full+poll+pipe_nosec_test
 h2_proxy_nosec_test: $(BINDIR)/$(CONFIG)/h2_proxy_nosec_test
 h2_sockpair_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair_nosec_test
 h2_sockpair+trace_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair+trace_nosec_test
 h2_sockpair_1byte_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_nosec_test
 h2_uchannel_nosec_test: $(BINDIR)/$(CONFIG)/h2_uchannel_nosec_test
 h2_uds_nosec_test: $(BINDIR)/$(CONFIG)/h2_uds_nosec_test
-h2_uds+poll_nosec_test: $(BINDIR)/$(CONFIG)/h2_uds+poll_nosec_test
 
 run_dep_checks:
 	$(OPENSSL_ALPN_CHECK_CMD) || true
@@ -1256,32 +1249,25 @@ buildtests_c: privatelibs_c \
   $(BINDIR)/$(CONFIG)/h2_fakesec_test \
   $(BINDIR)/$(CONFIG)/h2_full_test \
   $(BINDIR)/$(CONFIG)/h2_full+pipe_test \
-  $(BINDIR)/$(CONFIG)/h2_full+poll_test \
-  $(BINDIR)/$(CONFIG)/h2_full+poll+pipe_test \
   $(BINDIR)/$(CONFIG)/h2_oauth2_test \
   $(BINDIR)/$(CONFIG)/h2_proxy_test \
   $(BINDIR)/$(CONFIG)/h2_sockpair_test \
   $(BINDIR)/$(CONFIG)/h2_sockpair+trace_test \
   $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_test \
   $(BINDIR)/$(CONFIG)/h2_ssl_test \
-  $(BINDIR)/$(CONFIG)/h2_ssl+poll_test \
   $(BINDIR)/$(CONFIG)/h2_ssl_proxy_test \
   $(BINDIR)/$(CONFIG)/h2_uchannel_test \
   $(BINDIR)/$(CONFIG)/h2_uds_test \
-  $(BINDIR)/$(CONFIG)/h2_uds+poll_test \
   $(BINDIR)/$(CONFIG)/h2_census_nosec_test \
   $(BINDIR)/$(CONFIG)/h2_compress_nosec_test \
   $(BINDIR)/$(CONFIG)/h2_full_nosec_test \
   $(BINDIR)/$(CONFIG)/h2_full+pipe_nosec_test \
-  $(BINDIR)/$(CONFIG)/h2_full+poll_nosec_test \
-  $(BINDIR)/$(CONFIG)/h2_full+poll+pipe_nosec_test \
   $(BINDIR)/$(CONFIG)/h2_proxy_nosec_test \
   $(BINDIR)/$(CONFIG)/h2_sockpair_nosec_test \
   $(BINDIR)/$(CONFIG)/h2_sockpair+trace_nosec_test \
   $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_nosec_test \
   $(BINDIR)/$(CONFIG)/h2_uchannel_nosec_test \
   $(BINDIR)/$(CONFIG)/h2_uds_nosec_test \
-  $(BINDIR)/$(CONFIG)/h2_uds+poll_nosec_test \
 
 
 buildtests_cxx: buildtests_zookeeper privatelibs_cxx \
@@ -12359,70 +12345,6 @@ endif
 endif
 
 
-H2_FULL+POLL_TEST_SRC = \
-    test/core/end2end/fixtures/h2_full+poll.c \
-
-H2_FULL+POLL_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(H2_FULL+POLL_TEST_SRC))))
-ifeq ($(NO_SECURE),true)
-
-# You can't build secure targets if you don't have OpenSSL.
-
-$(BINDIR)/$(CONFIG)/h2_full+poll_test: openssl_dep_error
-
-else
-
-
-
-$(BINDIR)/$(CONFIG)/h2_full+poll_test: $(H2_FULL+POLL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
-	$(E) "[LD]      Linking $@"
-	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(H2_FULL+POLL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_full+poll_test
-
-endif
-
-$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_full+poll.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
-
-deps_h2_full+poll_test: $(H2_FULL+POLL_TEST_OBJS:.o=.dep)
-
-ifneq ($(NO_SECURE),true)
-ifneq ($(NO_DEPS),true)
--include $(H2_FULL+POLL_TEST_OBJS:.o=.dep)
-endif
-endif
-
-
-H2_FULL+POLL+PIPE_TEST_SRC = \
-    test/core/end2end/fixtures/h2_full+poll+pipe.c \
-
-H2_FULL+POLL+PIPE_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(H2_FULL+POLL+PIPE_TEST_SRC))))
-ifeq ($(NO_SECURE),true)
-
-# You can't build secure targets if you don't have OpenSSL.
-
-$(BINDIR)/$(CONFIG)/h2_full+poll+pipe_test: openssl_dep_error
-
-else
-
-
-
-$(BINDIR)/$(CONFIG)/h2_full+poll+pipe_test: $(H2_FULL+POLL+PIPE_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
-	$(E) "[LD]      Linking $@"
-	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(H2_FULL+POLL+PIPE_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_full+poll+pipe_test
-
-endif
-
-$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_full+poll+pipe.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
-
-deps_h2_full+poll+pipe_test: $(H2_FULL+POLL+PIPE_TEST_OBJS:.o=.dep)
-
-ifneq ($(NO_SECURE),true)
-ifneq ($(NO_DEPS),true)
--include $(H2_FULL+POLL+PIPE_TEST_OBJS:.o=.dep)
-endif
-endif
-
-
 H2_OAUTH2_TEST_SRC = \
     test/core/end2end/fixtures/h2_oauth2.c \
 
@@ -12615,38 +12537,6 @@ endif
 endif
 
 
-H2_SSL+POLL_TEST_SRC = \
-    test/core/end2end/fixtures/h2_ssl+poll.c \
-
-H2_SSL+POLL_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(H2_SSL+POLL_TEST_SRC))))
-ifeq ($(NO_SECURE),true)
-
-# You can't build secure targets if you don't have OpenSSL.
-
-$(BINDIR)/$(CONFIG)/h2_ssl+poll_test: openssl_dep_error
-
-else
-
-
-
-$(BINDIR)/$(CONFIG)/h2_ssl+poll_test: $(H2_SSL+POLL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
-	$(E) "[LD]      Linking $@"
-	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(H2_SSL+POLL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_ssl+poll_test
-
-endif
-
-$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_ssl+poll.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
-
-deps_h2_ssl+poll_test: $(H2_SSL+POLL_TEST_OBJS:.o=.dep)
-
-ifneq ($(NO_SECURE),true)
-ifneq ($(NO_DEPS),true)
--include $(H2_SSL+POLL_TEST_OBJS:.o=.dep)
-endif
-endif
-
-
 H2_SSL_PROXY_TEST_SRC = \
     test/core/end2end/fixtures/h2_ssl_proxy.c \
 
@@ -12743,38 +12633,6 @@ endif
 endif
 
 
-H2_UDS+POLL_TEST_SRC = \
-    test/core/end2end/fixtures/h2_uds+poll.c \
-
-H2_UDS+POLL_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(H2_UDS+POLL_TEST_SRC))))
-ifeq ($(NO_SECURE),true)
-
-# You can't build secure targets if you don't have OpenSSL.
-
-$(BINDIR)/$(CONFIG)/h2_uds+poll_test: openssl_dep_error
-
-else
-
-
-
-$(BINDIR)/$(CONFIG)/h2_uds+poll_test: $(H2_UDS+POLL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
-	$(E) "[LD]      Linking $@"
-	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(H2_UDS+POLL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_uds+poll_test
-
-endif
-
-$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_uds+poll.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
-
-deps_h2_uds+poll_test: $(H2_UDS+POLL_TEST_OBJS:.o=.dep)
-
-ifneq ($(NO_SECURE),true)
-ifneq ($(NO_DEPS),true)
--include $(H2_UDS+POLL_TEST_OBJS:.o=.dep)
-endif
-endif
-
-
 H2_CENSUS_NOSEC_TEST_SRC = \
     test/core/end2end/fixtures/h2_census.c \
 
@@ -12855,46 +12713,6 @@ ifneq ($(NO_DEPS),true)
 endif
 
 
-H2_FULL+POLL_NOSEC_TEST_SRC = \
-    test/core/end2end/fixtures/h2_full+poll.c \
-
-H2_FULL+POLL_NOSEC_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(H2_FULL+POLL_NOSEC_TEST_SRC))))
-
-
-$(BINDIR)/$(CONFIG)/h2_full+poll_nosec_test: $(H2_FULL+POLL_NOSEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
-	$(E) "[LD]      Linking $@"
-	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(H2_FULL+POLL_NOSEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/h2_full+poll_nosec_test
-
-$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_full+poll.o:  $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
-
-deps_h2_full+poll_nosec_test: $(H2_FULL+POLL_NOSEC_TEST_OBJS:.o=.dep)
-
-ifneq ($(NO_DEPS),true)
--include $(H2_FULL+POLL_NOSEC_TEST_OBJS:.o=.dep)
-endif
-
-
-H2_FULL+POLL+PIPE_NOSEC_TEST_SRC = \
-    test/core/end2end/fixtures/h2_full+poll+pipe.c \
-
-H2_FULL+POLL+PIPE_NOSEC_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(H2_FULL+POLL+PIPE_NOSEC_TEST_SRC))))
-
-
-$(BINDIR)/$(CONFIG)/h2_full+poll+pipe_nosec_test: $(H2_FULL+POLL+PIPE_NOSEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
-	$(E) "[LD]      Linking $@"
-	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(H2_FULL+POLL+PIPE_NOSEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/h2_full+poll+pipe_nosec_test
-
-$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_full+poll+pipe.o:  $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
-
-deps_h2_full+poll+pipe_nosec_test: $(H2_FULL+POLL+PIPE_NOSEC_TEST_OBJS:.o=.dep)
-
-ifneq ($(NO_DEPS),true)
--include $(H2_FULL+POLL+PIPE_NOSEC_TEST_OBJS:.o=.dep)
-endif
-
-
 H2_PROXY_NOSEC_TEST_SRC = \
     test/core/end2end/fixtures/h2_proxy.c \
 
@@ -13015,26 +12833,6 @@ ifneq ($(NO_DEPS),true)
 endif
 
 
-H2_UDS+POLL_NOSEC_TEST_SRC = \
-    test/core/end2end/fixtures/h2_uds+poll.c \
-
-H2_UDS+POLL_NOSEC_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(H2_UDS+POLL_NOSEC_TEST_SRC))))
-
-
-$(BINDIR)/$(CONFIG)/h2_uds+poll_nosec_test: $(H2_UDS+POLL_NOSEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
-	$(E) "[LD]      Linking $@"
-	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(H2_UDS+POLL_NOSEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/h2_uds+poll_nosec_test
-
-$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_uds+poll.o:  $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
-
-deps_h2_uds+poll_nosec_test: $(H2_UDS+POLL_NOSEC_TEST_OBJS:.o=.dep)
-
-ifneq ($(NO_DEPS),true)
--include $(H2_UDS+POLL_NOSEC_TEST_OBJS:.o=.dep)
-endif
-
-
 
 
 
diff --git a/gRPC.podspec b/gRPC.podspec
index 87c06bbbfb..0f56518d6b 100644
--- a/gRPC.podspec
+++ b/gRPC.podspec
@@ -207,7 +207,6 @@ Pod::Spec.new do |s|
                       'src/core/iomgr/iomgr_posix.h',
                       'src/core/iomgr/pollset.h',
                       'src/core/iomgr/pollset_set.h',
-                      'src/core/iomgr/pollset_set_posix.h',
                       'src/core/iomgr/pollset_set_windows.h',
                       'src/core/iomgr/pollset_windows.h',
                       'src/core/iomgr/resolve_address.h',
@@ -525,7 +524,6 @@ Pod::Spec.new do |s|
                               'src/core/iomgr/iomgr_posix.h',
                               'src/core/iomgr/pollset.h',
                               'src/core/iomgr/pollset_set.h',
-                              'src/core/iomgr/pollset_set_posix.h',
                               'src/core/iomgr/pollset_set_windows.h',
                               'src/core/iomgr/pollset_windows.h',
                               'src/core/iomgr/resolve_address.h',
diff --git a/grpc.gemspec b/grpc.gemspec
index 947e400578..de41947c09 100755
--- a/grpc.gemspec
+++ b/grpc.gemspec
@@ -203,7 +203,6 @@ Gem::Specification.new do |s|
   s.files += %w( src/core/iomgr/iomgr_posix.h )
   s.files += %w( src/core/iomgr/pollset.h )
   s.files += %w( src/core/iomgr/pollset_set.h )
-  s.files += %w( src/core/iomgr/pollset_set_posix.h )
   s.files += %w( src/core/iomgr/pollset_set_windows.h )
   s.files += %w( src/core/iomgr/pollset_windows.h )
   s.files += %w( src/core/iomgr/resolve_address.h )
diff --git a/package.json b/package.json
index 5731c51d2a..1741d0cf20 100644
--- a/package.json
+++ b/package.json
@@ -147,7 +147,6 @@
     "src/core/iomgr/iomgr_posix.h",
     "src/core/iomgr/pollset.h",
     "src/core/iomgr/pollset_set.h",
-    "src/core/iomgr/pollset_set_posix.h",
     "src/core/iomgr/pollset_set_windows.h",
     "src/core/iomgr/pollset_windows.h",
     "src/core/iomgr/resolve_address.h",
diff --git a/package.xml b/package.xml
index a4a2df6385..316cc34519 100644
--- a/package.xml
+++ b/package.xml
@@ -207,7 +207,6 @@
     <file baseinstalldir="/" name="src/core/iomgr/iomgr_posix.h" role="src" />
     <file baseinstalldir="/" name="src/core/iomgr/pollset.h" role="src" />
     <file baseinstalldir="/" name="src/core/iomgr/pollset_set.h" role="src" />
-    <file baseinstalldir="/" name="src/core/iomgr/pollset_set_posix.h" role="src" />
     <file baseinstalldir="/" name="src/core/iomgr/pollset_set_windows.h" role="src" />
     <file baseinstalldir="/" name="src/core/iomgr/pollset_windows.h" role="src" />
     <file baseinstalldir="/" name="src/core/iomgr/resolve_address.h" role="src" />
diff --git a/src/core/iomgr/ev_poll_and_epoll_posix.c b/src/core/iomgr/ev_poll_and_epoll_posix.c
index c58d983092..72a8f9f969 100644
--- a/src/core/iomgr/ev_poll_and_epoll_posix.c
+++ b/src/core/iomgr/ev_poll_and_epoll_posix.c
@@ -139,42 +139,43 @@ struct grpc_fd {
    Polling strategies that do not need to alter their behavior depending on the
    fd's current interest (such as epoll) do not need to call this function.
    MUST NOT be called with a pollset lock taken */
-uint32_t grpc_fd_begin_poll(grpc_fd *fd, grpc_pollset *pollset,
-                            grpc_pollset_worker *worker, uint32_t read_mask,
-                            uint32_t write_mask, grpc_fd_watcher *rec);
-/* Complete polling previously started with grpc_fd_begin_poll
+static uint32_t fd_begin_poll(grpc_fd *fd, grpc_pollset *pollset,
+                              grpc_pollset_worker *worker, uint32_t read_mask,
+                              uint32_t write_mask, grpc_fd_watcher *rec);
+/* Complete polling previously started with fd_begin_poll
    MUST NOT be called with a pollset lock taken
    if got_read or got_write are 1, also does the become_{readable,writable} as
    appropriate. */
-void grpc_fd_end_poll(grpc_exec_ctx *exec_ctx, grpc_fd_watcher *rec,
-                      int got_read, int got_write);
+static void fd_end_poll(grpc_exec_ctx *exec_ctx, grpc_fd_watcher *rec,
+                        int got_read, int got_write);
 
 /* Return 1 if this fd is orphaned, 0 otherwise */
-int grpc_fd_is_orphaned(grpc_fd *fd);
+static bool fd_is_orphaned(grpc_fd *fd);
 
 /* Notification from the poller to an fd that it has become readable or
    writable.
    If allow_synchronous_callback is 1, allow running the fd callback inline
    in this callstack, otherwise register an asynchronous callback and return */
-void grpc_fd_become_readable(grpc_exec_ctx *exec_ctx, grpc_fd *fd);
-void grpc_fd_become_writable(grpc_exec_ctx *exec_ctx, grpc_fd *fd);
+static void fd_become_readable(grpc_exec_ctx *exec_ctx, grpc_fd *fd);
+static void fd_become_writable(grpc_exec_ctx *exec_ctx, grpc_fd *fd);
 
 /* Reference counting for fds */
 /*#define GRPC_FD_REF_COUNT_DEBUG*/
 #ifdef GRPC_FD_REF_COUNT_DEBUG
-void grpc_fd_ref(grpc_fd *fd, const char *reason, const char *file, int line);
-void grpc_fd_unref(grpc_fd *fd, const char *reason, const char *file, int line);
-#define GRPC_FD_REF(fd, reason) grpc_fd_ref(fd, reason, __FILE__, __LINE__)
-#define GRPC_FD_UNREF(fd, reason) grpc_fd_unref(fd, reason, __FILE__, __LINE__)
+static void fd_ref(grpc_fd *fd, const char *reason, const char *file, int line);
+static void fd_unref(grpc_fd *fd, const char *reason, const char *file,
+                     int line);
+#define GRPC_FD_REF(fd, reason) fd_ref(fd, reason, __FILE__, __LINE__)
+#define GRPC_FD_UNREF(fd, reason) fd_unref(fd, reason, __FILE__, __LINE__)
 #else
-void grpc_fd_ref(grpc_fd *fd);
-void grpc_fd_unref(grpc_fd *fd);
-#define GRPC_FD_REF(fd, reason) grpc_fd_ref(fd)
-#define GRPC_FD_UNREF(fd, reason) grpc_fd_unref(fd)
+static void fd_ref(grpc_fd *fd);
+static void fd_unref(grpc_fd *fd);
+#define GRPC_FD_REF(fd, reason) fd_ref(fd)
+#define GRPC_FD_UNREF(fd, reason) fd_unref(fd)
 #endif
 
-void grpc_fd_global_init(void);
-void grpc_fd_global_shutdown(void);
+static void fd_global_init(void);
+static void fd_global_shutdown(void);
 
 #define CLOSURE_NOT_READY ((grpc_closure *)0)
 #define CLOSURE_READY ((grpc_closure *)1)
@@ -231,13 +232,11 @@ struct grpc_pollset_vtable {
 };
 
 /* Add an fd to a pollset */
-void grpc_pollset_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
-                         struct grpc_fd *fd);
+static void pollset_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+                           struct grpc_fd *fd);
 
-/* Returns the fd to listen on for kicks */
-int grpc_kick_read_fd(grpc_pollset *p);
-/* Call after polling has been kicked to leave the kicked state */
-void grpc_kick_drain(grpc_pollset *p);
+static void pollset_set_add_fd(grpc_exec_ctx *exec_ctx,
+                               grpc_pollset_set *pollset_set, grpc_fd *fd);
 
 /* Convert a timespec to milliseconds:
    - very small or negative poll times are clamped to zero to do a
@@ -246,35 +245,31 @@ void grpc_kick_drain(grpc_pollset *p);
    - longer than a millisecond polls are rounded up to the next nearest
      millisecond to avoid spinning
    - infinite timeouts are converted to -1 */
-int grpc_poll_deadline_to_millis_timeout(gpr_timespec deadline,
-                                         gpr_timespec now);
+static int poll_deadline_to_millis_timeout(gpr_timespec deadline,
+                                           gpr_timespec now);
 
 /* Allow kick to wakeup the currently polling worker */
 #define GRPC_POLLSET_CAN_KICK_SELF 1
 /* Force the wakee to repoll when awoken */
 #define GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP 2
-/* As per grpc_pollset_kick, with an extended set of flags (defined above)
+/* As per pollset_kick, with an extended set of flags (defined above)
    -- mostly for fd_posix's use. */
-void grpc_pollset_kick_ext(grpc_pollset *p,
-                           grpc_pollset_worker *specific_worker,
-                           uint32_t flags);
+static void pollset_kick_ext(grpc_pollset *p,
+                             grpc_pollset_worker *specific_worker,
+                             uint32_t flags);
 
 /* turn a pollset into a multipoller: platform specific */
-typedef void (*grpc_platform_become_multipoller_type)(grpc_exec_ctx *exec_ctx,
-                                                      grpc_pollset *pollset,
-                                                      struct grpc_fd **fds,
-                                                      size_t fd_count);
-extern grpc_platform_become_multipoller_type grpc_platform_become_multipoller;
+typedef void (*platform_become_multipoller_type)(grpc_exec_ctx *exec_ctx,
+                                                 grpc_pollset *pollset,
+                                                 struct grpc_fd **fds,
+                                                 size_t fd_count);
+static platform_become_multipoller_type platform_become_multipoller;
 
-void grpc_poll_become_multipoller(grpc_exec_ctx *exec_ctx,
-                                  grpc_pollset *pollset, struct grpc_fd **fds,
-                                  size_t fd_count);
-
-/* Return 1 if the pollset has active threads in grpc_pollset_work (pollset must
+/* Return 1 if the pollset has active threads in pollset_work (pollset must
  * be locked) */
-int grpc_pollset_has_workers(grpc_pollset *pollset);
+static int pollset_has_workers(grpc_pollset *pollset);
 
-void grpc_remove_fd_from_all_epoll_sets(int fd);
+static void remove_fd_from_all_epoll_sets(int fd);
 
 /* override to allow tests to hook poll() usage */
 typedef int (*grpc_poll_function_type)(struct pollfd *, nfds_t, int);
@@ -401,9 +396,9 @@ static void unref_by(grpc_fd *fd, int n) {
   }
 }
 
-void grpc_fd_global_init(void) { gpr_mu_init(&fd_freelist_mu); }
+static void fd_global_init(void) { gpr_mu_init(&fd_freelist_mu); }
 
-void grpc_fd_global_shutdown(void) {
+static void fd_global_shutdown(void) {
   gpr_mu_lock(&fd_freelist_mu);
   gpr_mu_unlock(&fd_freelist_mu);
   while (fd_freelist != NULL) {
@@ -414,7 +409,7 @@ void grpc_fd_global_shutdown(void) {
   gpr_mu_destroy(&fd_freelist_mu);
 }
 
-grpc_fd *grpc_fd_create(int fd, const char *name) {
+static grpc_fd *fd_create(int fd, const char *name) {
   grpc_fd *r = alloc_fd(fd);
   char *name2;
   gpr_asprintf(&name2, "%s fd=%d", name, fd);
@@ -426,15 +421,15 @@ grpc_fd *grpc_fd_create(int fd, const char *name) {
   return r;
 }
 
-int grpc_fd_is_orphaned(grpc_fd *fd) {
+static bool fd_is_orphaned(grpc_fd *fd) {
   return (gpr_atm_acq_load(&fd->refst) & 1) == 0;
 }
 
 static void pollset_kick_locked(grpc_fd_watcher *watcher) {
   gpr_mu_lock(watcher->pollset->mu);
   GPR_ASSERT(watcher->worker);
-  grpc_pollset_kick_ext(watcher->pollset, watcher->worker,
-                        GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP);
+  pollset_kick_ext(watcher->pollset, watcher->worker,
+                   GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP);
   gpr_mu_unlock(watcher->pollset->mu);
 }
 
@@ -472,12 +467,12 @@ static void close_fd_locked(grpc_exec_ctx *exec_ctx, grpc_fd *fd) {
   if (!fd->released) {
     close(fd->fd);
   } else {
-    grpc_remove_fd_from_all_epoll_sets(fd->fd);
+    remove_fd_from_all_epoll_sets(fd->fd);
   }
   grpc_exec_ctx_enqueue(exec_ctx, fd->on_done_closure, true, NULL);
 }
 
-int grpc_fd_wrapped_fd(grpc_fd *fd) {
+static int fd_wrapped_fd(grpc_fd *fd) {
   if (fd->released || fd->closed) {
     return -1;
   } else {
@@ -485,8 +480,9 @@ int grpc_fd_wrapped_fd(grpc_fd *fd) {
   }
 }
 
-void grpc_fd_orphan(grpc_exec_ctx *exec_ctx, grpc_fd *fd, grpc_closure *on_done,
-                    int *release_fd, const char *reason) {
+static void fd_orphan(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+                      grpc_closure *on_done, int *release_fd,
+                      const char *reason) {
   fd->on_done_closure = on_done;
   fd->released = release_fd != NULL;
   if (!fd->released) {
@@ -507,18 +503,19 @@ void grpc_fd_orphan(grpc_exec_ctx *exec_ctx, grpc_fd *fd, grpc_closure *on_done,
 
 /* increment refcount by two to avoid changing the orphan bit */
 #ifdef GRPC_FD_REF_COUNT_DEBUG
-void grpc_fd_ref(grpc_fd *fd, const char *reason, const char *file, int line) {
+static void fd_ref(grpc_fd *fd, const char *reason, const char *file,
+                   int line) {
   ref_by(fd, 2, reason, file, line);
 }
 
-void grpc_fd_unref(grpc_fd *fd, const char *reason, const char *file,
-                   int line) {
+static void fd_unref(grpc_fd *fd, const char *reason, const char *file,
+                     int line) {
   unref_by(fd, 2, reason, file, line);
 }
 #else
-void grpc_fd_ref(grpc_fd *fd) { ref_by(fd, 2); }
+static void fd_ref(grpc_fd *fd) { ref_by(fd, 2); }
 
-void grpc_fd_unref(grpc_fd *fd) { unref_by(fd, 2); }
+static void fd_unref(grpc_fd *fd) { unref_by(fd, 2); }
 #endif
 
 static void notify_on_locked(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
@@ -566,7 +563,7 @@ static void set_ready(grpc_exec_ctx *exec_ctx, grpc_fd *fd, grpc_closure **st) {
   gpr_mu_unlock(&fd->mu);
 }
 
-void grpc_fd_shutdown(grpc_exec_ctx *exec_ctx, grpc_fd *fd) {
+static void fd_shutdown(grpc_exec_ctx *exec_ctx, grpc_fd *fd) {
   gpr_mu_lock(&fd->mu);
   GPR_ASSERT(!fd->shutdown);
   fd->shutdown = 1;
@@ -575,23 +572,23 @@ void grpc_fd_shutdown(grpc_exec_ctx *exec_ctx, grpc_fd *fd) {
   gpr_mu_unlock(&fd->mu);
 }
 
-void grpc_fd_notify_on_read(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
-                            grpc_closure *closure) {
+static void fd_notify_on_read(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+                              grpc_closure *closure) {
   gpr_mu_lock(&fd->mu);
   notify_on_locked(exec_ctx, fd, &fd->read_closure, closure);
   gpr_mu_unlock(&fd->mu);
 }
 
-void grpc_fd_notify_on_write(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
-                             grpc_closure *closure) {
+static void fd_notify_on_write(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+                               grpc_closure *closure) {
   gpr_mu_lock(&fd->mu);
   notify_on_locked(exec_ctx, fd, &fd->write_closure, closure);
   gpr_mu_unlock(&fd->mu);
 }
 
-uint32_t grpc_fd_begin_poll(grpc_fd *fd, grpc_pollset *pollset,
-                            grpc_pollset_worker *worker, uint32_t read_mask,
-                            uint32_t write_mask, grpc_fd_watcher *watcher) {
+static uint32_t fd_begin_poll(grpc_fd *fd, grpc_pollset *pollset,
+                              grpc_pollset_worker *worker, uint32_t read_mask,
+                              uint32_t write_mask, grpc_fd_watcher *watcher) {
   uint32_t mask = 0;
   grpc_closure *cur;
   int requested;
@@ -640,8 +637,8 @@ uint32_t grpc_fd_begin_poll(grpc_fd *fd, grpc_pollset *pollset,
   return mask;
 }
 
-void grpc_fd_end_poll(grpc_exec_ctx *exec_ctx, grpc_fd_watcher *watcher,
-                      int got_read, int got_write) {
+static void fd_end_poll(grpc_exec_ctx *exec_ctx, grpc_fd_watcher *watcher,
+                        int got_read, int got_write) {
   int was_polling = 0;
   int kick = 0;
   grpc_fd *fd = watcher->fd;
@@ -686,7 +683,7 @@ void grpc_fd_end_poll(grpc_exec_ctx *exec_ctx, grpc_fd_watcher *watcher,
   if (kick) {
     maybe_wake_one_watcher_locked(fd);
   }
-  if (grpc_fd_is_orphaned(fd) && !has_watchers(fd) && !fd->closed) {
+  if (fd_is_orphaned(fd) && !has_watchers(fd) && !fd->closed) {
     close_fd_locked(exec_ctx, fd);
   }
   gpr_mu_unlock(&fd->mu);
@@ -694,11 +691,11 @@ void grpc_fd_end_poll(grpc_exec_ctx *exec_ctx, grpc_fd_watcher *watcher,
   GRPC_FD_UNREF(fd, "poll");
 }
 
-void grpc_fd_become_readable(grpc_exec_ctx *exec_ctx, grpc_fd *fd) {
+static void fd_become_readable(grpc_exec_ctx *exec_ctx, grpc_fd *fd) {
   set_ready(exec_ctx, fd, &fd->read_closure);
 }
 
-void grpc_fd_become_writable(grpc_exec_ctx *exec_ctx, grpc_fd *fd) {
+static void fd_become_writable(grpc_exec_ctx *exec_ctx, grpc_fd *fd) {
   set_ready(exec_ctx, fd, &fd->write_closure);
 }
 
@@ -724,12 +721,12 @@ static void remove_worker(grpc_pollset *p, grpc_pollset_worker *worker) {
   worker->next->prev = worker->prev;
 }
 
-int grpc_pollset_has_workers(grpc_pollset *p) {
+static int pollset_has_workers(grpc_pollset *p) {
   return p->root_worker.next != &p->root_worker;
 }
 
 static grpc_pollset_worker *pop_front_worker(grpc_pollset *p) {
-  if (grpc_pollset_has_workers(p)) {
+  if (pollset_has_workers(p)) {
     grpc_pollset_worker *w = p->root_worker.next;
     remove_worker(p, w);
     return w;
@@ -750,17 +747,15 @@ static void push_front_worker(grpc_pollset *p, grpc_pollset_worker *worker) {
   worker->prev->next = worker->next->prev = worker;
 }
 
-size_t grpc_pollset_size(void) { return sizeof(grpc_pollset); }
-
-void grpc_pollset_kick_ext(grpc_pollset *p,
-                           grpc_pollset_worker *specific_worker,
-                           uint32_t flags) {
-  GPR_TIMER_BEGIN("grpc_pollset_kick_ext", 0);
+static void pollset_kick_ext(grpc_pollset *p,
+                             grpc_pollset_worker *specific_worker,
+                             uint32_t flags) {
+  GPR_TIMER_BEGIN("pollset_kick_ext", 0);
 
   /* pollset->mu already held */
   if (specific_worker != NULL) {
     if (specific_worker == GRPC_POLLSET_KICK_BROADCAST) {
-      GPR_TIMER_BEGIN("grpc_pollset_kick_ext.broadcast", 0);
+      GPR_TIMER_BEGIN("pollset_kick_ext.broadcast", 0);
       GPR_ASSERT((flags & GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP) == 0);
       for (specific_worker = p->root_worker.next;
            specific_worker != &p->root_worker;
@@ -768,7 +763,7 @@ void grpc_pollset_kick_ext(grpc_pollset *p,
         grpc_wakeup_fd_wakeup(&specific_worker->wakeup_fd->fd);
       }
       p->kicked_without_pollers = 1;
-      GPR_TIMER_END("grpc_pollset_kick_ext.broadcast", 0);
+      GPR_TIMER_END("pollset_kick_ext.broadcast", 0);
     } else if (gpr_tls_get(&g_current_thread_worker) !=
                (intptr_t)specific_worker) {
       GPR_TIMER_MARK("different_thread_worker", 0);
@@ -812,36 +807,37 @@ void grpc_pollset_kick_ext(grpc_pollset *p,
     }
   }
 
-  GPR_TIMER_END("grpc_pollset_kick_ext", 0);
+  GPR_TIMER_END("pollset_kick_ext", 0);
 }
 
-void grpc_pollset_kick(grpc_pollset *p, grpc_pollset_worker *specific_worker) {
-  grpc_pollset_kick_ext(p, specific_worker, 0);
+static void pollset_kick(grpc_pollset *p,
+                         grpc_pollset_worker *specific_worker) {
+  pollset_kick_ext(p, specific_worker, 0);
 }
 
 /* global state management */
 
-void grpc_pollset_global_init(void) {
+static void pollset_global_init(void) {
   gpr_tls_init(&g_current_thread_poller);
   gpr_tls_init(&g_current_thread_worker);
   grpc_wakeup_fd_global_init();
   grpc_wakeup_fd_init(&grpc_global_wakeup_fd);
 }
 
-void grpc_pollset_global_shutdown(void) {
+static void pollset_global_shutdown(void) {
   grpc_wakeup_fd_destroy(&grpc_global_wakeup_fd);
   gpr_tls_destroy(&g_current_thread_poller);
   gpr_tls_destroy(&g_current_thread_worker);
   grpc_wakeup_fd_global_destroy();
 }
 
-void grpc_kick_poller(void) { grpc_wakeup_fd_wakeup(&grpc_global_wakeup_fd); }
+static void kick_poller(void) { grpc_wakeup_fd_wakeup(&grpc_global_wakeup_fd); }
 
 /* main interface */
 
 static void become_basic_pollset(grpc_pollset *pollset, grpc_fd *fd_or_null);
 
-void grpc_pollset_init(grpc_pollset *pollset, gpr_mu *mu) {
+static void pollset_init(grpc_pollset *pollset, gpr_mu *mu) {
   pollset->mu = mu;
   pollset->root_worker.next = pollset->root_worker.prev = &pollset->root_worker;
   pollset->in_flight_cbs = 0;
@@ -854,9 +850,9 @@ void grpc_pollset_init(grpc_pollset *pollset, gpr_mu *mu) {
   become_basic_pollset(pollset, NULL);
 }
 
-void grpc_pollset_destroy(grpc_pollset *pollset) {
+static void pollset_destroy(grpc_pollset *pollset) {
   GPR_ASSERT(pollset->in_flight_cbs == 0);
-  GPR_ASSERT(!grpc_pollset_has_workers(pollset));
+  GPR_ASSERT(!pollset_has_workers(pollset));
   GPR_ASSERT(pollset->idle_jobs.head == pollset->idle_jobs.tail);
   pollset->vtable->destroy(pollset);
   while (pollset->local_wakeup_cache) {
@@ -867,10 +863,10 @@ void grpc_pollset_destroy(grpc_pollset *pollset) {
   }
 }
 
-void grpc_pollset_reset(grpc_pollset *pollset) {
+static void pollset_reset(grpc_pollset *pollset) {
   GPR_ASSERT(pollset->shutting_down);
   GPR_ASSERT(pollset->in_flight_cbs == 0);
-  GPR_ASSERT(!grpc_pollset_has_workers(pollset));
+  GPR_ASSERT(!pollset_has_workers(pollset));
   GPR_ASSERT(pollset->idle_jobs.head == pollset->idle_jobs.tail);
   pollset->vtable->destroy(pollset);
   pollset->shutting_down = 0;
@@ -879,8 +875,8 @@ void grpc_pollset_reset(grpc_pollset *pollset) {
   become_basic_pollset(pollset, NULL);
 }
 
-void grpc_pollset_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
-                         grpc_fd *fd) {
+static void pollset_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+                           grpc_fd *fd) {
   gpr_mu_lock(pollset->mu);
   pollset->vtable->add_fd(exec_ctx, pollset, fd, 1);
 /* the following (enabled only in debug) will reacquire and then release
@@ -899,9 +895,9 @@ static void finish_shutdown(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset) {
   grpc_exec_ctx_enqueue(exec_ctx, pollset->shutdown_done, true, NULL);
 }
 
-void grpc_pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
-                       grpc_pollset_worker **worker_hdl, gpr_timespec now,
-                       gpr_timespec deadline) {
+static void pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+                         grpc_pollset_worker **worker_hdl, gpr_timespec now,
+                         gpr_timespec deadline) {
   grpc_pollset_worker worker;
   *worker_hdl = &worker;
 
@@ -910,7 +906,7 @@ void grpc_pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
   int locked = 1;
   int queued_work = 0;
   int keep_polling = 0;
-  GPR_TIMER_BEGIN("grpc_pollset_work", 0);
+  GPR_TIMER_BEGIN("pollset_work", 0);
   /* this must happen before we (potentially) drop pollset->mu */
   worker.next = worker.prev = NULL;
   worker.reevaluate_polling_on_wakeup = 0;
@@ -924,20 +920,20 @@ void grpc_pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
   worker.kicked_specifically = 0;
   /* If there's work waiting for the pollset to be idle, and the
      pollset is idle, then do that work */
-  if (!grpc_pollset_has_workers(pollset) &&
+  if (!pollset_has_workers(pollset) &&
       !grpc_closure_list_empty(pollset->idle_jobs)) {
-    GPR_TIMER_MARK("grpc_pollset_work.idle_jobs", 0);
+    GPR_TIMER_MARK("pollset_work.idle_jobs", 0);
     grpc_exec_ctx_enqueue_list(exec_ctx, &pollset->idle_jobs, NULL);
     goto done;
   }
   /* If we're shutting down then we don't execute any extended work */
   if (pollset->shutting_down) {
-    GPR_TIMER_MARK("grpc_pollset_work.shutting_down", 0);
+    GPR_TIMER_MARK("pollset_work.shutting_down", 0);
     goto done;
   }
   /* Give do_promote priority so we don't starve it out */
   if (pollset->in_flight_cbs) {
-    GPR_TIMER_MARK("grpc_pollset_work.in_flight_cbs", 0);
+    GPR_TIMER_MARK("pollset_work.in_flight_cbs", 0);
     gpr_mu_unlock(pollset->mu);
     locked = 0;
     goto done;
@@ -962,7 +958,7 @@ void grpc_pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
       locked = 0;
       gpr_tls_set(&g_current_thread_poller, 0);
     } else {
-      GPR_TIMER_MARK("grpc_pollset_work.kicked_without_pollers", 0);
+      GPR_TIMER_MARK("pollset_work.kicked_without_pollers", 0);
       pollset->kicked_without_pollers = 0;
     }
   /* Finished execution - start cleaning up.
@@ -975,7 +971,7 @@ void grpc_pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
       gpr_mu_lock(pollset->mu);
       locked = 1;
     }
-    /* If we're forced to re-evaluate polling (via grpc_pollset_kick with
+    /* If we're forced to re-evaluate polling (via pollset_kick with
        GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP) then we land here and force
        a loop */
     if (worker.reevaluate_polling_on_wakeup) {
@@ -998,8 +994,8 @@ void grpc_pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
   pollset->local_wakeup_cache = worker.wakeup_fd;
   /* check shutdown conditions */
   if (pollset->shutting_down) {
-    if (grpc_pollset_has_workers(pollset)) {
-      grpc_pollset_kick(pollset, NULL);
+    if (pollset_has_workers(pollset)) {
+      pollset_kick(pollset, NULL);
     } else if (!pollset->called_shutdown && pollset->in_flight_cbs == 0) {
       pollset->called_shutdown = 1;
       gpr_mu_unlock(pollset->mu);
@@ -1007,7 +1003,7 @@ void grpc_pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
       grpc_exec_ctx_flush(exec_ctx);
       /* Continuing to access pollset here is safe -- it is the caller's
        * responsibility to not destroy when it has outstanding calls to
-       * grpc_pollset_work.
+       * pollset_work.
        * TODO(dklempner): Can we refactor the shutdown logic to avoid this? */
       gpr_mu_lock(pollset->mu);
     } else if (!grpc_closure_list_empty(pollset->idle_jobs)) {
@@ -1018,27 +1014,27 @@ void grpc_pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
     }
   }
   *worker_hdl = NULL;
-  GPR_TIMER_END("grpc_pollset_work", 0);
+  GPR_TIMER_END("pollset_work", 0);
 }
 
-void grpc_pollset_shutdown(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
-                           grpc_closure *closure) {
+static void pollset_shutdown(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+                             grpc_closure *closure) {
   GPR_ASSERT(!pollset->shutting_down);
   pollset->shutting_down = 1;
   pollset->shutdown_done = closure;
-  grpc_pollset_kick(pollset, GRPC_POLLSET_KICK_BROADCAST);
-  if (!grpc_pollset_has_workers(pollset)) {
+  pollset_kick(pollset, GRPC_POLLSET_KICK_BROADCAST);
+  if (!pollset_has_workers(pollset)) {
     grpc_exec_ctx_enqueue_list(exec_ctx, &pollset->idle_jobs, NULL);
   }
   if (!pollset->called_shutdown && pollset->in_flight_cbs == 0 &&
-      !grpc_pollset_has_workers(pollset)) {
+      !pollset_has_workers(pollset)) {
     pollset->called_shutdown = 1;
     finish_shutdown(exec_ctx, pollset);
   }
 }
 
-int grpc_poll_deadline_to_millis_timeout(gpr_timespec deadline,
-                                         gpr_timespec now) {
+static int poll_deadline_to_millis_timeout(gpr_timespec deadline,
+                                           gpr_timespec now) {
   gpr_timespec timeout;
   static const int64_t max_spin_polling_us = 10;
   if (gpr_time_cmp(deadline, gpr_inf_future(deadline.clock_type)) == 0) {
@@ -1084,7 +1080,7 @@ static void basic_do_promote(grpc_exec_ctx *exec_ctx, void *args,
 
   gpr_mu_lock(pollset->mu);
   /* First we need to ensure that nobody is polling concurrently */
-  GPR_ASSERT(!grpc_pollset_has_workers(pollset));
+  GPR_ASSERT(!pollset_has_workers(pollset));
 
   gpr_free(up_args);
   /* At this point the pollset may no longer be a unary poller. In that case
@@ -1099,7 +1095,7 @@ static void basic_do_promote(grpc_exec_ctx *exec_ctx, void *args,
       pollset->called_shutdown = 1;
       finish_shutdown(exec_ctx, pollset);
     }
-  } else if (grpc_fd_is_orphaned(fd)) {
+  } else if (fd_is_orphaned(fd)) {
     /* Don't try to add it to anything, we'll drop our ref on it below */
   } else if (pollset->vtable != original_vtable) {
     pollset->vtable->add_fd(exec_ctx, pollset, fd, 0);
@@ -1108,9 +1104,8 @@ static void basic_do_promote(grpc_exec_ctx *exec_ctx, void *args,
     fds[0] = pollset->data.ptr;
     fds[1] = fd;
 
-    if (fds[0] && !grpc_fd_is_orphaned(fds[0])) {
-      grpc_platform_become_multipoller(exec_ctx, pollset, fds,
-                                       GPR_ARRAY_SIZE(fds));
+    if (fds[0] && !fd_is_orphaned(fds[0])) {
+      platform_become_multipoller(exec_ctx, pollset, fds, GPR_ARRAY_SIZE(fds));
       GRPC_FD_UNREF(fds[0], "basicpoll");
     } else {
       /* old fd is orphaned and we haven't cleaned it up until now, so remain a
@@ -1135,7 +1130,7 @@ static void basic_pollset_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
   GPR_ASSERT(fd);
   if (fd == pollset->data.ptr) goto exit;
 
-  if (!grpc_pollset_has_workers(pollset)) {
+  if (!pollset_has_workers(pollset)) {
     /* Fast path -- no in flight cbs */
     /* TODO(klempner): Comment this out and fix any test failures or establish
      * they are due to timing issues */
@@ -1146,9 +1141,8 @@ static void basic_pollset_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
     if (fds[0] == NULL) {
       pollset->data.ptr = fd;
       GRPC_FD_REF(fd, "basicpoll");
-    } else if (!grpc_fd_is_orphaned(fds[0])) {
-      grpc_platform_become_multipoller(exec_ctx, pollset, fds,
-                                       GPR_ARRAY_SIZE(fds));
+    } else if (!fd_is_orphaned(fds[0])) {
+      platform_become_multipoller(exec_ctx, pollset, fds, GPR_ARRAY_SIZE(fds));
       GRPC_FD_UNREF(fds[0], "basicpoll");
     } else {
       /* old fd is orphaned and we haven't cleaned it up until now, so remain a
@@ -1172,7 +1166,7 @@ static void basic_pollset_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
   up_args->promotion_closure.cb_arg = up_args;
 
   grpc_closure_list_add(&pollset->idle_jobs, &up_args->promotion_closure, 1);
-  grpc_pollset_kick(pollset, GRPC_POLLSET_KICK_BROADCAST);
+  pollset_kick(pollset, GRPC_POLLSET_KICK_BROADCAST);
 
 exit:
   if (and_unlock_pollset) {
@@ -1196,11 +1190,11 @@ static void basic_pollset_maybe_work_and_unlock(grpc_exec_ctx *exec_ctx,
   nfds_t nfds;
 
   fd = pollset->data.ptr;
-  if (fd && grpc_fd_is_orphaned(fd)) {
+  if (fd && fd_is_orphaned(fd)) {
     GRPC_FD_UNREF(fd, "basicpoll");
     fd = pollset->data.ptr = NULL;
   }
-  timeout = grpc_poll_deadline_to_millis_timeout(deadline, now);
+  timeout = poll_deadline_to_millis_timeout(deadline, now);
   pfd[0].fd = GRPC_WAKEUP_FD_GET_READ_FD(&grpc_global_wakeup_fd);
   pfd[0].events = POLLIN;
   pfd[0].revents = 0;
@@ -1213,8 +1207,8 @@ static void basic_pollset_maybe_work_and_unlock(grpc_exec_ctx *exec_ctx,
     pfd[2].revents = 0;
     GRPC_FD_REF(fd, "basicpoll_begin");
     gpr_mu_unlock(pollset->mu);
-    pfd[2].events = (short)grpc_fd_begin_poll(fd, pollset, worker, POLLIN,
-                                              POLLOUT, &fd_watcher);
+    pfd[2].events =
+        (short)fd_begin_poll(fd, pollset, worker, POLLIN, POLLOUT, &fd_watcher);
     if (pfd[2].events != 0) {
       nfds++;
     }
@@ -1237,11 +1231,11 @@ static void basic_pollset_maybe_work_and_unlock(grpc_exec_ctx *exec_ctx,
       gpr_log(GPR_ERROR, "poll() failed: %s", strerror(errno));
     }
     if (fd) {
-      grpc_fd_end_poll(exec_ctx, &fd_watcher, 0, 0);
+      fd_end_poll(exec_ctx, &fd_watcher, 0, 0);
     }
   } else if (r == 0) {
     if (fd) {
-      grpc_fd_end_poll(exec_ctx, &fd_watcher, 0, 0);
+      fd_end_poll(exec_ctx, &fd_watcher, 0, 0);
     }
   } else {
     if (pfd[0].revents & POLLIN_CHECK) {
@@ -1251,10 +1245,10 @@ static void basic_pollset_maybe_work_and_unlock(grpc_exec_ctx *exec_ctx,
       grpc_wakeup_fd_consume_wakeup(&worker->wakeup_fd->fd);
     }
     if (nfds > 2) {
-      grpc_fd_end_poll(exec_ctx, &fd_watcher, pfd[2].revents & POLLIN_CHECK,
-                       pfd[2].revents & POLLOUT_CHECK);
+      fd_end_poll(exec_ctx, &fd_watcher, pfd[2].revents & POLLIN_CHECK,
+                  pfd[2].revents & POLLOUT_CHECK);
     } else if (fd) {
-      grpc_fd_end_poll(exec_ctx, &fd_watcher, 0, 0);
+      fd_end_poll(exec_ctx, &fd_watcher, 0, 0);
     }
   }
 
@@ -1286,6 +1280,8 @@ static void become_basic_pollset(grpc_pollset *pollset, grpc_fd *fd_or_null) {
  * pollset_multipoller_with_poll_posix.c
  */
 
+#ifndef GPR_LINUX_MULTIPOLL_WITH_EPOLL
+
 typedef struct {
   /* all polled fds */
   size_t fd_count;
@@ -1335,7 +1331,7 @@ static void multipoll_with_poll_pollset_maybe_work_and_unlock(
   struct pollfd *pfds;
 
   h = pollset->data.ptr;
-  timeout = grpc_poll_deadline_to_millis_timeout(deadline, now);
+  timeout = poll_deadline_to_millis_timeout(deadline, now);
   /* TODO(ctiller): perform just one malloc here if we exceed the inline case */
   pfds = gpr_malloc(sizeof(*pfds) * (h->fd_count + 2));
   watchers = gpr_malloc(sizeof(*watchers) * (h->fd_count + 2));
@@ -1348,7 +1344,7 @@ static void multipoll_with_poll_pollset_maybe_work_and_unlock(
   pfds[1].events = POLLIN;
   pfds[1].revents = 0;
   for (i = 0; i < h->fd_count; i++) {
-    int remove = grpc_fd_is_orphaned(h->fds[i]);
+    int remove = fd_is_orphaned(h->fds[i]);
     for (j = 0; !remove && j < h->del_count; j++) {
       if (h->fds[i] == h->dels[j]) remove = 1;
     }
@@ -1370,8 +1366,8 @@ static void multipoll_with_poll_pollset_maybe_work_and_unlock(
   gpr_mu_unlock(pollset->mu);
 
   for (i = 2; i < pfd_count; i++) {
-    pfds[i].events = (short)grpc_fd_begin_poll(watchers[i].fd, pollset, worker,
-                                               POLLIN, POLLOUT, &watchers[i]);
+    pfds[i].events = (short)fd_begin_poll(watchers[i].fd, pollset, worker,
+                                          POLLIN, POLLOUT, &watchers[i]);
   }
 
   /* TODO(vpai): Consider first doing a 0 timeout poll here to avoid
@@ -1385,11 +1381,11 @@ static void multipoll_with_poll_pollset_maybe_work_and_unlock(
       gpr_log(GPR_ERROR, "poll() failed: %s", strerror(errno));
     }
     for (i = 2; i < pfd_count; i++) {
-      grpc_fd_end_poll(exec_ctx, &watchers[i], 0, 0);
+      fd_end_poll(exec_ctx, &watchers[i], 0, 0);
     }
   } else if (r == 0) {
     for (i = 2; i < pfd_count; i++) {
-      grpc_fd_end_poll(exec_ctx, &watchers[i], 0, 0);
+      fd_end_poll(exec_ctx, &watchers[i], 0, 0);
     }
   } else {
     if (pfds[0].revents & POLLIN_CHECK) {
@@ -1400,11 +1396,11 @@ static void multipoll_with_poll_pollset_maybe_work_and_unlock(
     }
     for (i = 2; i < pfd_count; i++) {
       if (watchers[i].fd == NULL) {
-        grpc_fd_end_poll(exec_ctx, &watchers[i], 0, 0);
+        fd_end_poll(exec_ctx, &watchers[i], 0, 0);
         continue;
       }
-      grpc_fd_end_poll(exec_ctx, &watchers[i], pfds[i].revents & POLLIN_CHECK,
-                       pfds[i].revents & POLLOUT_CHECK);
+      fd_end_poll(exec_ctx, &watchers[i], pfds[i].revents & POLLIN_CHECK,
+                  pfds[i].revents & POLLOUT_CHECK);
     }
   }
 
@@ -1439,9 +1435,9 @@ static const grpc_pollset_vtable multipoll_with_poll_pollset = {
     multipoll_with_poll_pollset_finish_shutdown,
     multipoll_with_poll_pollset_destroy};
 
-void grpc_poll_become_multipoller(grpc_exec_ctx *exec_ctx,
-                                  grpc_pollset *pollset, grpc_fd **fds,
-                                  size_t nfds) {
+static void poll_become_multipoller(grpc_exec_ctx *exec_ctx,
+                                    grpc_pollset *pollset, grpc_fd **fds,
+                                    size_t nfds) {
   size_t i;
   poll_hdr *h = gpr_malloc(sizeof(poll_hdr));
   pollset->vtable = &multipoll_with_poll_pollset;
@@ -1458,6 +1454,8 @@ void grpc_poll_become_multipoller(grpc_exec_ctx *exec_ctx,
   }
 }
 
+#endif /* !GPR_LINUX_MULTIPOLL_WITH_EPOLL */
+
 /*******************************************************************************
  * pollset_multipoller_with_epoll_posix.c
  */
@@ -1518,7 +1516,7 @@ static void remove_epoll_fd_from_global_list(int epoll_fd) {
   gpr_mu_unlock(&epoll_fd_list_mu);
 }
 
-void grpc_remove_fd_from_all_epoll_sets(int fd) {
+static void remove_fd_from_all_epoll_sets(int fd) {
   int err;
   gpr_once_init(&init_epoll_fd_list_mu, init_mu);
   gpr_mu_lock(&epoll_fd_list_mu);
@@ -1554,7 +1552,7 @@ static void finally_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
   /* We pretend to be polling whilst adding an fd to keep the fd from being
      closed during the add. This may result in a spurious wakeup being assigned
      to this pollset whilst adding, but that should be benign. */
-  GPR_ASSERT(grpc_fd_begin_poll(fd, pollset, NULL, 0, 0, &watcher) == 0);
+  GPR_ASSERT(fd_begin_poll(fd, pollset, NULL, 0, 0, &watcher) == 0);
   if (watcher.fd != NULL) {
     ev.events = (uint32_t)(EPOLLIN | EPOLLOUT | EPOLLET);
     ev.data.ptr = fd;
@@ -1567,14 +1565,14 @@ static void finally_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
       }
     }
   }
-  grpc_fd_end_poll(exec_ctx, &watcher, 0, 0);
+  fd_end_poll(exec_ctx, &watcher, 0, 0);
 }
 
 static void perform_delayed_add(grpc_exec_ctx *exec_ctx, void *arg,
                                 bool iomgr_status) {
   delayed_add *da = arg;
 
-  if (!grpc_fd_is_orphaned(da->fd)) {
+  if (!fd_is_orphaned(da->fd)) {
     finally_add_fd(exec_ctx, da->pollset, da->fd);
   }
 
@@ -1633,7 +1631,7 @@ static void multipoll_with_epoll_pollset_maybe_work_and_unlock(
 
   gpr_mu_unlock(pollset->mu);
 
-  timeout_ms = grpc_poll_deadline_to_millis_timeout(deadline, now);
+  timeout_ms = poll_deadline_to_millis_timeout(deadline, now);
 
   pfds[0].fd = GRPC_WAKEUP_FD_GET_READ_FD(&worker->wakeup_fd->fd);
   pfds[0].events = POLLIN;
@@ -1681,10 +1679,10 @@ static void multipoll_with_epoll_pollset_maybe_work_and_unlock(
               grpc_wakeup_fd_consume_wakeup(&grpc_global_wakeup_fd);
             } else {
               if (read_ev || cancel) {
-                grpc_fd_become_readable(exec_ctx, fd);
+                fd_become_readable(exec_ctx, fd);
               }
               if (write_ev || cancel) {
-                grpc_fd_become_writable(exec_ctx, fd);
+                fd_become_writable(exec_ctx, fd);
               }
             }
           }
@@ -1743,12 +1741,9 @@ static void epoll_become_multipoller(grpc_exec_ctx *exec_ctx,
   }
 }
 
-grpc_platform_become_multipoller_type grpc_platform_become_multipoller =
-    epoll_become_multipoller;
-
 #else /* GPR_LINUX_MULTIPOLL_WITH_EPOLL */
 
-void grpc_remove_fd_from_all_epoll_sets(int fd) {}
+static void remove_fd_from_all_epoll_sets(int fd) {}
 
 #endif /* GPR_LINUX_MULTIPOLL_WITH_EPOLL */
 
@@ -1756,14 +1751,14 @@ void grpc_remove_fd_from_all_epoll_sets(int fd) {}
  * pollset_set_posix.c
  */
 
-grpc_pollset_set *grpc_pollset_set_create(void) {
+static grpc_pollset_set *pollset_set_create(void) {
   grpc_pollset_set *pollset_set = gpr_malloc(sizeof(*pollset_set));
   memset(pollset_set, 0, sizeof(*pollset_set));
   gpr_mu_init(&pollset_set->mu);
   return pollset_set;
 }
 
-void grpc_pollset_set_destroy(grpc_pollset_set *pollset_set) {
+static void pollset_set_destroy(grpc_pollset_set *pollset_set) {
   size_t i;
   gpr_mu_destroy(&pollset_set->mu);
   for (i = 0; i < pollset_set->fd_count; i++) {
@@ -1775,9 +1770,9 @@ void grpc_pollset_set_destroy(grpc_pollset_set *pollset_set) {
   gpr_free(pollset_set);
 }
 
-void grpc_pollset_set_add_pollset(grpc_exec_ctx *exec_ctx,
-                                  grpc_pollset_set *pollset_set,
-                                  grpc_pollset *pollset) {
+static void pollset_set_add_pollset(grpc_exec_ctx *exec_ctx,
+                                    grpc_pollset_set *pollset_set,
+                                    grpc_pollset *pollset) {
   size_t i, j;
   gpr_mu_lock(&pollset_set->mu);
   if (pollset_set->pollset_count == pollset_set->pollset_capacity) {
@@ -1789,10 +1784,10 @@ void grpc_pollset_set_add_pollset(grpc_exec_ctx *exec_ctx,
   }
   pollset_set->pollsets[pollset_set->pollset_count++] = pollset;
   for (i = 0, j = 0; i < pollset_set->fd_count; i++) {
-    if (grpc_fd_is_orphaned(pollset_set->fds[i])) {
+    if (fd_is_orphaned(pollset_set->fds[i])) {
       GRPC_FD_UNREF(pollset_set->fds[i], "pollset_set");
     } else {
-      grpc_pollset_add_fd(exec_ctx, pollset, pollset_set->fds[i]);
+      pollset_add_fd(exec_ctx, pollset, pollset_set->fds[i]);
       pollset_set->fds[j++] = pollset_set->fds[i];
     }
   }
@@ -1800,9 +1795,9 @@ void grpc_pollset_set_add_pollset(grpc_exec_ctx *exec_ctx,
   gpr_mu_unlock(&pollset_set->mu);
 }
 
-void grpc_pollset_set_del_pollset(grpc_exec_ctx *exec_ctx,
-                                  grpc_pollset_set *pollset_set,
-                                  grpc_pollset *pollset) {
+static void pollset_set_del_pollset(grpc_exec_ctx *exec_ctx,
+                                    grpc_pollset_set *pollset_set,
+                                    grpc_pollset *pollset) {
   size_t i;
   gpr_mu_lock(&pollset_set->mu);
   for (i = 0; i < pollset_set->pollset_count; i++) {
@@ -1816,9 +1811,9 @@ void grpc_pollset_set_del_pollset(grpc_exec_ctx *exec_ctx,
   gpr_mu_unlock(&pollset_set->mu);
 }
 
-void grpc_pollset_set_add_pollset_set(grpc_exec_ctx *exec_ctx,
-                                      grpc_pollset_set *bag,
-                                      grpc_pollset_set *item) {
+static void pollset_set_add_pollset_set(grpc_exec_ctx *exec_ctx,
+                                        grpc_pollset_set *bag,
+                                        grpc_pollset_set *item) {
   size_t i, j;
   gpr_mu_lock(&bag->mu);
   if (bag->pollset_set_count == bag->pollset_set_capacity) {
@@ -1829,10 +1824,10 @@ void grpc_pollset_set_add_pollset_set(grpc_exec_ctx *exec_ctx,
   }
   bag->pollset_sets[bag->pollset_set_count++] = item;
   for (i = 0, j = 0; i < bag->fd_count; i++) {
-    if (grpc_fd_is_orphaned(bag->fds[i])) {
+    if (fd_is_orphaned(bag->fds[i])) {
       GRPC_FD_UNREF(bag->fds[i], "pollset_set");
     } else {
-      grpc_pollset_set_add_fd(exec_ctx, item, bag->fds[i]);
+      pollset_set_add_fd(exec_ctx, item, bag->fds[i]);
       bag->fds[j++] = bag->fds[i];
     }
   }
@@ -1840,9 +1835,9 @@ void grpc_pollset_set_add_pollset_set(grpc_exec_ctx *exec_ctx,
   gpr_mu_unlock(&bag->mu);
 }
 
-void grpc_pollset_set_del_pollset_set(grpc_exec_ctx *exec_ctx,
-                                      grpc_pollset_set *bag,
-                                      grpc_pollset_set *item) {
+static void pollset_set_del_pollset_set(grpc_exec_ctx *exec_ctx,
+                                        grpc_pollset_set *bag,
+                                        grpc_pollset_set *item) {
   size_t i;
   gpr_mu_lock(&bag->mu);
   for (i = 0; i < bag->pollset_set_count; i++) {
@@ -1856,8 +1851,8 @@ void grpc_pollset_set_del_pollset_set(grpc_exec_ctx *exec_ctx,
   gpr_mu_unlock(&bag->mu);
 }
 
-void grpc_pollset_set_add_fd(grpc_exec_ctx *exec_ctx,
-                             grpc_pollset_set *pollset_set, grpc_fd *fd) {
+static void pollset_set_add_fd(grpc_exec_ctx *exec_ctx,
+                               grpc_pollset_set *pollset_set, grpc_fd *fd) {
   size_t i;
   gpr_mu_lock(&pollset_set->mu);
   if (pollset_set->fd_count == pollset_set->fd_capacity) {
@@ -1868,16 +1863,16 @@ void grpc_pollset_set_add_fd(grpc_exec_ctx *exec_ctx,
   GRPC_FD_REF(fd, "pollset_set");
   pollset_set->fds[pollset_set->fd_count++] = fd;
   for (i = 0; i < pollset_set->pollset_count; i++) {
-    grpc_pollset_add_fd(exec_ctx, pollset_set->pollsets[i], fd);
+    pollset_add_fd(exec_ctx, pollset_set->pollsets[i], fd);
   }
   for (i = 0; i < pollset_set->pollset_set_count; i++) {
-    grpc_pollset_set_add_fd(exec_ctx, pollset_set->pollset_sets[i], fd);
+    pollset_set_add_fd(exec_ctx, pollset_set->pollset_sets[i], fd);
   }
   gpr_mu_unlock(&pollset_set->mu);
 }
 
-void grpc_pollset_set_del_fd(grpc_exec_ctx *exec_ctx,
-                             grpc_pollset_set *pollset_set, grpc_fd *fd) {
+static void pollset_set_del_fd(grpc_exec_ctx *exec_ctx,
+                               grpc_pollset_set *pollset_set, grpc_fd *fd) {
   size_t i;
   gpr_mu_lock(&pollset_set->mu);
   for (i = 0; i < pollset_set->fd_count; i++) {
@@ -1890,9 +1885,61 @@ void grpc_pollset_set_del_fd(grpc_exec_ctx *exec_ctx,
     }
   }
   for (i = 0; i < pollset_set->pollset_set_count; i++) {
-    grpc_pollset_set_del_fd(exec_ctx, pollset_set->pollset_sets[i], fd);
+    pollset_set_del_fd(exec_ctx, pollset_set->pollset_sets[i], fd);
   }
   gpr_mu_unlock(&pollset_set->mu);
 }
 
+/*******************************************************************************
+ * event engine binding
+ */
+
+static void shutdown_engine(void) {
+  fd_global_shutdown();
+  pollset_global_shutdown();
+}
+
+static const grpc_event_engine_vtable vtable = {
+    .pollset_size = sizeof(grpc_pollset),
+
+    .fd_create = fd_create,
+    .fd_wrapped_fd = fd_wrapped_fd,
+    .fd_orphan = fd_orphan,
+    .fd_shutdown = fd_shutdown,
+    .fd_notify_on_read = fd_notify_on_read,
+    .fd_notify_on_write = fd_notify_on_write,
+
+    .pollset_init = pollset_init,
+    .pollset_shutdown = pollset_shutdown,
+    .pollset_reset = pollset_reset,
+    .pollset_destroy = pollset_destroy,
+    .pollset_work = pollset_work,
+    .pollset_kick = pollset_kick,
+    .pollset_add_fd = pollset_add_fd,
+
+    .pollset_set_create = pollset_set_create,
+    .pollset_set_destroy = pollset_set_destroy,
+    .pollset_set_add_pollset = pollset_set_add_pollset,
+    .pollset_set_del_pollset = pollset_set_del_pollset,
+    .pollset_set_add_pollset_set = pollset_set_add_pollset_set,
+    .pollset_set_del_pollset_set = pollset_set_del_pollset_set,
+    .pollset_set_add_fd = pollset_set_add_fd,
+    .pollset_set_del_fd = pollset_set_del_fd,
+
+    .kick_poller = kick_poller,
+
+    .shutdown_engine = shutdown_engine,
+};
+
+const grpc_event_engine_vtable *grpc_init_poll_and_epoll_posix(void) {
+#ifdef GPR_LINUX_MULTIPOLL_WITH_EPOLL
+  platform_become_multipoller = epoll_become_multipoller;
+#else
+  platform_become_multipoller = poll_become_multipoller;
+#endif
+  fd_global_init();
+  pollset_global_init();
+  return &vtable;
+}
+
 #endif
diff --git a/src/core/iomgr/ev_poll_and_epoll_posix.h b/src/core/iomgr/ev_poll_and_epoll_posix.h
index 72a2576415..cf76f1fc99 100644
--- a/src/core/iomgr/ev_poll_and_epoll_posix.h
+++ b/src/core/iomgr/ev_poll_and_epoll_posix.h
@@ -36,4 +36,6 @@
 
 #include "src/core/iomgr/ev_posix.h"
 
+const grpc_event_engine_vtable *grpc_init_poll_and_epoll_posix(void);
+
 #endif  // GRPC_INTERNAL_CORE_IOMGR_EV_POLL_AND_EPOLL_POSIX_H
diff --git a/src/core/iomgr/ev_posix.c b/src/core/iomgr/ev_posix.c
index 714f24b363..4229d8d2e4 100644
--- a/src/core/iomgr/ev_posix.c
+++ b/src/core/iomgr/ev_posix.c
@@ -30,3 +30,127 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  */
+
+#include "src/core/iomgr/ev_posix.h"
+
+#include <grpc/support/log.h>
+
+#include "src/core/iomgr/ev_poll_and_epoll_posix.h"
+
+static const grpc_event_engine_vtable *g_event_engine;
+
+void grpc_event_engine_init(void) {
+  if ((g_event_engine = grpc_init_poll_and_epoll_posix())) {
+    return;
+  }
+  gpr_log(GPR_ERROR, "No event engine could be initialized");
+  abort();
+}
+
+void grpc_event_engine_shutdown(void) { g_event_engine->shutdown_engine(); }
+
+grpc_fd *grpc_fd_create(int fd, const char *name) {
+  return g_event_engine->fd_create(fd, name);
+}
+
+int grpc_fd_wrapped_fd(grpc_fd *fd) {
+  return g_event_engine->fd_wrapped_fd(fd);
+}
+
+void grpc_fd_orphan(grpc_exec_ctx *exec_ctx, grpc_fd *fd, grpc_closure *on_done,
+                    int *release_fd, const char *reason) {
+  g_event_engine->fd_orphan(exec_ctx, fd, on_done, release_fd, reason);
+}
+
+void grpc_fd_shutdown(grpc_exec_ctx *exec_ctx, grpc_fd *fd) {
+  g_event_engine->fd_shutdown(exec_ctx, fd);
+}
+
+void grpc_fd_notify_on_read(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+                            grpc_closure *closure) {
+  g_event_engine->fd_notify_on_read(exec_ctx, fd, closure);
+}
+
+void grpc_fd_notify_on_write(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+                             grpc_closure *closure) {
+  g_event_engine->fd_notify_on_write(exec_ctx, fd, closure);
+}
+
+size_t grpc_pollset_size(void) { return g_event_engine->pollset_size; }
+
+void grpc_pollset_init(grpc_pollset *pollset, gpr_mu *mu) {
+  g_event_engine->pollset_init(pollset, mu);
+}
+
+void grpc_pollset_shutdown(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+                           grpc_closure *closure) {
+  g_event_engine->pollset_shutdown(exec_ctx, pollset, closure);
+}
+
+void grpc_pollset_reset(grpc_pollset *pollset) {
+  g_event_engine->pollset_reset(pollset);
+}
+
+void grpc_pollset_destroy(grpc_pollset *pollset) {
+  g_event_engine->pollset_destroy(pollset);
+}
+
+void grpc_pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+                       grpc_pollset_worker **worker, gpr_timespec now,
+                       gpr_timespec deadline) {
+  g_event_engine->pollset_work(exec_ctx, pollset, worker, now, deadline);
+}
+
+void grpc_pollset_kick(grpc_pollset *pollset,
+                       grpc_pollset_worker *specific_worker) {
+  g_event_engine->pollset_kick(pollset, specific_worker);
+}
+
+void grpc_pollset_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+                         struct grpc_fd *fd) {
+  g_event_engine->pollset_add_fd(exec_ctx, pollset, fd);
+}
+
+grpc_pollset_set *grpc_pollset_set_create(void) {
+  return g_event_engine->pollset_set_create();
+}
+
+void grpc_pollset_set_destroy(grpc_pollset_set *pollset_set) {
+  g_event_engine->pollset_set_destroy(pollset_set);
+}
+
+void grpc_pollset_set_add_pollset(grpc_exec_ctx *exec_ctx,
+                                  grpc_pollset_set *pollset_set,
+                                  grpc_pollset *pollset) {
+  g_event_engine->pollset_set_add_pollset(exec_ctx, pollset_set, pollset);
+}
+
+void grpc_pollset_set_del_pollset(grpc_exec_ctx *exec_ctx,
+                                  grpc_pollset_set *pollset_set,
+                                  grpc_pollset *pollset) {
+  g_event_engine->pollset_set_del_pollset(exec_ctx, pollset_set, pollset);
+}
+
+void grpc_pollset_set_add_pollset_set(grpc_exec_ctx *exec_ctx,
+                                      grpc_pollset_set *bag,
+                                      grpc_pollset_set *item) {
+  g_event_engine->pollset_set_add_pollset_set(exec_ctx, bag, item);
+}
+
+void grpc_pollset_set_del_pollset_set(grpc_exec_ctx *exec_ctx,
+                                      grpc_pollset_set *bag,
+                                      grpc_pollset_set *item) {
+  g_event_engine->pollset_set_del_pollset_set(exec_ctx, bag, item);
+}
+
+void grpc_pollset_set_add_fd(grpc_exec_ctx *exec_ctx,
+                             grpc_pollset_set *pollset_set, grpc_fd *fd) {
+  g_event_engine->pollset_set_add_fd(exec_ctx, pollset_set, fd);
+}
+
+void grpc_pollset_set_del_fd(grpc_exec_ctx *exec_ctx,
+                             grpc_pollset_set *pollset_set, grpc_fd *fd) {
+  g_event_engine->pollset_set_del_fd(exec_ctx, pollset_set, fd);
+}
+
+void grpc_kick_poller(void) { g_event_engine->kick_poller(); }
diff --git a/src/core/iomgr/ev_posix.h b/src/core/iomgr/ev_posix.h
index d0fba78ab7..bfd216d3f3 100644
--- a/src/core/iomgr/ev_posix.h
+++ b/src/core/iomgr/ev_posix.h
@@ -63,9 +63,32 @@ typedef struct grpc_event_engine_vtable {
                        gpr_timespec deadline);
   void (*pollset_kick)(grpc_pollset *pollset,
                        grpc_pollset_worker *specific_worker);
-} grpc_event_engine_vtable;
+  void (*pollset_add_fd)(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+                         struct grpc_fd *fd);
 
-extern const grpc_event_engine_vtable *grpc_event_engine;
+  grpc_pollset_set *(*pollset_set_create)(void);
+  void (*pollset_set_destroy)(grpc_pollset_set *pollset_set);
+  void (*pollset_set_add_pollset)(grpc_exec_ctx *exec_ctx,
+                                  grpc_pollset_set *pollset_set,
+                                  grpc_pollset *pollset);
+  void (*pollset_set_del_pollset)(grpc_exec_ctx *exec_ctx,
+                                  grpc_pollset_set *pollset_set,
+                                  grpc_pollset *pollset);
+  void (*pollset_set_add_pollset_set)(grpc_exec_ctx *exec_ctx,
+                                      grpc_pollset_set *bag,
+                                      grpc_pollset_set *item);
+  void (*pollset_set_del_pollset_set)(grpc_exec_ctx *exec_ctx,
+                                      grpc_pollset_set *bag,
+                                      grpc_pollset_set *item);
+  void (*pollset_set_add_fd)(grpc_exec_ctx *exec_ctx,
+                             grpc_pollset_set *pollset_set, grpc_fd *fd);
+  void (*pollset_set_del_fd)(grpc_exec_ctx *exec_ctx,
+                             grpc_pollset_set *pollset_set, grpc_fd *fd);
+
+  void (*kick_poller)(void);
+
+  void (*shutdown_engine)(void);
+} grpc_event_engine_vtable;
 
 void grpc_event_engine_init(void);
 void grpc_event_engine_shutdown(void);
diff --git a/src/core/iomgr/iomgr.c b/src/core/iomgr/iomgr.c
index 04580150f3..4b5d8e9fab 100644
--- a/src/core/iomgr/iomgr.c
+++ b/src/core/iomgr/iomgr.c
@@ -59,7 +59,6 @@ void grpc_iomgr_init(void) {
   g_root_object.next = g_root_object.prev = &g_root_object;
   g_root_object.name = "root";
   grpc_iomgr_platform_init();
-  grpc_pollset_global_init();
 }
 
 static size_t count_objects(void) {
@@ -131,7 +130,6 @@ void grpc_iomgr_shutdown(void) {
   gpr_mu_lock(&g_mu);
   gpr_mu_unlock(&g_mu);
 
-  grpc_pollset_global_shutdown();
   grpc_iomgr_platform_shutdown();
   gpr_mu_destroy(&g_mu);
   gpr_cv_destroy(&g_rcv);
diff --git a/src/core/iomgr/iomgr_internal.h b/src/core/iomgr/iomgr_internal.h
index e372c18e8a..5623223913 100644
--- a/src/core/iomgr/iomgr_internal.h
+++ b/src/core/iomgr/iomgr_internal.h
@@ -34,8 +34,8 @@
 #ifndef GRPC_INTERNAL_CORE_IOMGR_IOMGR_INTERNAL_H
 #define GRPC_INTERNAL_CORE_IOMGR_IOMGR_INTERNAL_H
 
-#include "src/core/iomgr/iomgr.h"
 #include <grpc/support/sync.h>
+#include "src/core/iomgr/iomgr.h"
 
 typedef struct grpc_iomgr_object {
   char *name;
@@ -43,9 +43,6 @@ typedef struct grpc_iomgr_object {
   struct grpc_iomgr_object *prev;
 } grpc_iomgr_object;
 
-void grpc_pollset_global_init(void);
-void grpc_pollset_global_shutdown(void);
-
 void grpc_iomgr_register_object(grpc_iomgr_object *obj, const char *name);
 void grpc_iomgr_unregister_object(grpc_iomgr_object *obj);
 
diff --git a/src/core/iomgr/udp_server.h b/src/core/iomgr/udp_server.h
index 73a21c80ab..1a028ff4bb 100644
--- a/src/core/iomgr/udp_server.h
+++ b/src/core/iomgr/udp_server.h
@@ -35,6 +35,7 @@
 #define GRPC_INTERNAL_CORE_IOMGR_UDP_SERVER_H
 
 #include "src/core/iomgr/endpoint.h"
+#include "src/core/iomgr/ev_posix.h"
 
 /* Forward decl of grpc_server */
 typedef struct grpc_server grpc_server;
diff --git a/test/core/end2end/fixtures/h2_uchannel.c b/test/core/end2end/fixtures/h2_uchannel.c
index f363b60cba..ec1e5f4280 100644
--- a/test/core/end2end/fixtures/h2_uchannel.c
+++ b/test/core/end2end/fixtures/h2_uchannel.c
@@ -238,12 +238,12 @@ static grpc_end2end_test_fixture chttp2_create_fixture_micro_fullstack(
 }
 
 grpc_connectivity_state g_state = GRPC_CHANNEL_IDLE;
-grpc_pollset_set g_interested_parties;
+grpc_pollset_set *g_interested_parties;
 
 static void state_changed(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
   if (g_state != GRPC_CHANNEL_READY) {
     grpc_subchannel_notify_on_state_change(
-        exec_ctx, arg, &g_interested_parties, &g_state,
+        exec_ctx, arg, g_interested_parties, &g_state,
         grpc_closure_create(state_changed, arg));
   }
 }
@@ -258,9 +258,9 @@ static grpc_connected_subchannel *connect_subchannel(grpc_subchannel *c) {
   grpc_pollset *pollset = gpr_malloc(grpc_pollset_size());
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_pollset_init(pollset, &mu);
-  grpc_pollset_set_init(&g_interested_parties);
-  grpc_pollset_set_add_pollset(&exec_ctx, &g_interested_parties, pollset);
-  grpc_subchannel_notify_on_state_change(&exec_ctx, c, &g_interested_parties,
+  g_interested_parties = grpc_pollset_set_create();
+  grpc_pollset_set_add_pollset(&exec_ctx, g_interested_parties, pollset);
+  grpc_subchannel_notify_on_state_change(&exec_ctx, c, g_interested_parties,
                                          &g_state,
                                          grpc_closure_create(state_changed, c));
   grpc_exec_ctx_flush(&exec_ctx);
@@ -275,7 +275,7 @@ static grpc_connected_subchannel *connect_subchannel(grpc_subchannel *c) {
   }
   grpc_pollset_shutdown(&exec_ctx, pollset,
                         grpc_closure_create(destroy_pollset, pollset));
-  grpc_pollset_set_destroy(&g_interested_parties);
+  grpc_pollset_set_destroy(g_interested_parties);
   gpr_mu_unlock(&mu);
   grpc_exec_ctx_finish(&exec_ctx);
   gpr_free(pollset);
diff --git a/test/core/end2end/gen_build_yaml.py b/test/core/end2end/gen_build_yaml.py
index 4dfafcea24..330d153415 100755
--- a/test/core/end2end/gen_build_yaml.py
+++ b/test/core/end2end/gen_build_yaml.py
@@ -53,12 +53,8 @@ END2END_FIXTURES = {
     'h2_census': default_unsecure_fixture_options,
     'h2_fakesec': default_secure_fixture_options._replace(ci_mac=False),
     'h2_full': default_unsecure_fixture_options,
-    'h2_full+poll': default_unsecure_fixture_options._replace(
-        platforms=['linux']),
     'h2_full+pipe': default_unsecure_fixture_options._replace(
         platforms=['linux']),
-    'h2_full+poll+pipe': default_unsecure_fixture_options._replace(
-        platforms=['linux']),
     'h2_oauth2': default_secure_fixture_options._replace(ci_mac=False),
     'h2_proxy': default_unsecure_fixture_options._replace(includes_proxy=True,
                                                           ci_mac=False),
@@ -68,11 +64,9 @@ END2END_FIXTURES = {
     'h2_sockpair+trace': socketpair_unsecure_fixture_options._replace(
         tracing=True),
     'h2_ssl': default_secure_fixture_options,
-    'h2_ssl+poll': default_secure_fixture_options._replace(platforms=['linux']),
     'h2_ssl_proxy': default_secure_fixture_options._replace(includes_proxy=True,
                                                             ci_mac=False),
     'h2_uchannel': default_unsecure_fixture_options._replace(fullstack=False),
-    'h2_uds+poll': uds_fixture_options._replace(platforms=['linux']),
     'h2_uds': uds_fixture_options,
 }
 
diff --git a/test/core/iomgr/fd_posix_test.c b/test/core/iomgr/fd_posix_test.c
index a5ce6d2e7c..9e00f8a43e 100644
--- a/test/core/iomgr/fd_posix_test.c
+++ b/test/core/iomgr/fd_posix_test.c
@@ -50,7 +50,7 @@
 #include <grpc/support/sync.h>
 #include <grpc/support/time.h>
 
-#include "src/core/iomgr/pollset_posix.h"
+#include "src/core/iomgr/iomgr.h"
 #include "test/core/util/test_config.h"
 
 static gpr_mu g_mu;
@@ -134,7 +134,7 @@ static void session_shutdown_cb(grpc_exec_ctx *exec_ctx, void *arg, /*session */
 static void session_read_cb(grpc_exec_ctx *exec_ctx, void *arg, /*session */
                             bool success) {
   session *se = arg;
-  int fd = se->em_fd->fd;
+  int fd = grpc_fd_wrapped_fd(se->em_fd);
 
   ssize_t read_once = 0;
   ssize_t read_total = 0;
@@ -204,7 +204,7 @@ static void listen_cb(grpc_exec_ctx *exec_ctx, void *arg, /*=sv_arg*/
     return;
   }
 
-  fd = accept(listen_em_fd->fd, (struct sockaddr *)&ss, &slen);
+  fd = accept(grpc_fd_wrapped_fd(listen_em_fd), (struct sockaddr *)&ss, &slen);
   GPR_ASSERT(fd >= 0);
   GPR_ASSERT(fd < FD_SETSIZE);
   flags = fcntl(fd, F_GETFL, 0);
@@ -306,7 +306,7 @@ static void client_session_shutdown_cb(grpc_exec_ctx *exec_ctx,
 static void client_session_write(grpc_exec_ctx *exec_ctx, void *arg, /*client */
                                  bool success) {
   client *cl = arg;
-  int fd = cl->em_fd->fd;
+  int fd = grpc_fd_wrapped_fd(cl->em_fd);
   ssize_t write_once = 0;
 
   if (!success) {
diff --git a/test/core/iomgr/tcp_client_posix_test.c b/test/core/iomgr/tcp_client_posix_test.c
index 58d6d2cb56..51581a8cb0 100644
--- a/test/core/iomgr/tcp_client_posix_test.c
+++ b/test/core/iomgr/tcp_client_posix_test.c
@@ -45,11 +45,12 @@
 #include <grpc/support/time.h>
 
 #include "src/core/iomgr/iomgr.h"
+#include "src/core/iomgr/pollset_set.h"
 #include "src/core/iomgr/socket_utils_posix.h"
 #include "src/core/iomgr/timer.h"
 #include "test/core/util/test_config.h"
 
-static grpc_pollset_set g_pollset_set;
+static grpc_pollset_set *g_pollset_set;
 static gpr_mu g_mu;
 static grpc_pollset *g_pollset;
 static int g_connections_complete = 0;
@@ -108,7 +109,7 @@ void test_succeeds(void) {
   /* connect to it */
   GPR_ASSERT(getsockname(svr_fd, (struct sockaddr *)&addr, &addr_len) == 0);
   grpc_closure_init(&done, must_succeed, NULL);
-  grpc_tcp_client_connect(&exec_ctx, &done, &g_connecting, &g_pollset_set,
+  grpc_tcp_client_connect(&exec_ctx, &done, &g_connecting, g_pollset_set,
                           (struct sockaddr *)&addr, addr_len,
                           gpr_inf_future(GPR_CLOCK_REALTIME));
 
@@ -155,7 +156,7 @@ void test_fails(void) {
 
   /* connect to a broken address */
   grpc_closure_init(&done, must_fail, NULL);
-  grpc_tcp_client_connect(&exec_ctx, &done, &g_connecting, &g_pollset_set,
+  grpc_tcp_client_connect(&exec_ctx, &done, &g_connecting, g_pollset_set,
                           (struct sockaddr *)&addr, addr_len,
                           gpr_inf_future(GPR_CLOCK_REALTIME));
 
@@ -224,7 +225,7 @@ void test_times_out(void) {
   gpr_mu_unlock(&g_mu);
 
   grpc_closure_init(&done, must_fail, NULL);
-  grpc_tcp_client_connect(&exec_ctx, &done, &g_connecting, &g_pollset_set,
+  grpc_tcp_client_connect(&exec_ctx, &done, &g_connecting, g_pollset_set,
                           (struct sockaddr *)&addr, addr_len, connect_deadline);
 
   /* Make sure the event doesn't trigger early */
@@ -279,17 +280,17 @@ int main(int argc, char **argv) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_test_init(argc, argv);
   grpc_init();
-  grpc_pollset_set_init(&g_pollset_set);
+  g_pollset_set = grpc_pollset_set_create();
   g_pollset = gpr_malloc(grpc_pollset_size());
   gpr_mu_init(&g_mu);
   grpc_pollset_init(g_pollset, &g_mu);
-  grpc_pollset_set_add_pollset(&exec_ctx, &g_pollset_set, g_pollset);
+  grpc_pollset_set_add_pollset(&exec_ctx, g_pollset_set, g_pollset);
   grpc_exec_ctx_finish(&exec_ctx);
   test_succeeds();
   gpr_log(GPR_ERROR, "End of first test");
   test_fails();
   test_times_out();
-  grpc_pollset_set_destroy(&g_pollset_set);
+  grpc_pollset_set_destroy(g_pollset_set);
   grpc_closure_init(&destroyed, destroy_pollset, g_pollset);
   grpc_pollset_shutdown(&exec_ctx, g_pollset, &destroyed);
   grpc_exec_ctx_finish(&exec_ctx);
diff --git a/tools/doxygen/Doxyfile.core.internal b/tools/doxygen/Doxyfile.core.internal
index 3a6d277dd2..863f8113af 100644
--- a/tools/doxygen/Doxyfile.core.internal
+++ b/tools/doxygen/Doxyfile.core.internal
@@ -821,7 +821,6 @@ src/core/iomgr/iomgr_internal.h \
 src/core/iomgr/iomgr_posix.h \
 src/core/iomgr/pollset.h \
 src/core/iomgr/pollset_set.h \
-src/core/iomgr/pollset_set_posix.h \
 src/core/iomgr/pollset_set_windows.h \
 src/core/iomgr/pollset_windows.h \
 src/core/iomgr/resolve_address.h \
diff --git a/tools/run_tests/sources_and_headers.json b/tools/run_tests/sources_and_headers.json
index f6aa902c8a..e0c31db75e 100644
--- a/tools/run_tests/sources_and_headers.json
+++ b/tools/run_tests/sources_and_headers.json
@@ -3216,42 +3216,6 @@
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_full+poll_test", 
-    "src": [
-      "test/core/end2end/fixtures/h2_full+poll.c"
-    ], 
-    "third_party": false, 
-    "type": "target"
-  }, 
-  {
-    "deps": [
-      "end2end_certs", 
-      "end2end_tests", 
-      "gpr", 
-      "gpr_test_util", 
-      "grpc", 
-      "grpc_test_util"
-    ], 
-    "headers": [], 
-    "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
-    "src": [
-      "test/core/end2end/fixtures/h2_full+poll+pipe.c"
-    ], 
-    "third_party": false, 
-    "type": "target"
-  }, 
-  {
-    "deps": [
-      "end2end_certs", 
-      "end2end_tests", 
-      "gpr", 
-      "gpr_test_util", 
-      "grpc", 
-      "grpc_test_util"
-    ], 
-    "headers": [], 
-    "language": "c", 
     "name": "h2_oauth2_test", 
     "src": [
       "test/core/end2end/fixtures/h2_oauth2.c"
@@ -3360,24 +3324,6 @@
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
-    "src": [
-      "test/core/end2end/fixtures/h2_ssl+poll.c"
-    ], 
-    "third_party": false, 
-    "type": "target"
-  }, 
-  {
-    "deps": [
-      "end2end_certs", 
-      "end2end_tests", 
-      "gpr", 
-      "gpr_test_util", 
-      "grpc", 
-      "grpc_test_util"
-    ], 
-    "headers": [], 
-    "language": "c", 
     "name": "h2_ssl_proxy_test", 
     "src": [
       "test/core/end2end/fixtures/h2_ssl_proxy.c"
@@ -3423,24 +3369,6 @@
   }, 
   {
     "deps": [
-      "end2end_certs", 
-      "end2end_tests", 
-      "gpr", 
-      "gpr_test_util", 
-      "grpc", 
-      "grpc_test_util"
-    ], 
-    "headers": [], 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "src": [
-      "test/core/end2end/fixtures/h2_uds+poll.c"
-    ], 
-    "third_party": false, 
-    "type": "target"
-  }, 
-  {
-    "deps": [
       "end2end_nosec_tests", 
       "gpr", 
       "gpr_test_util", 
@@ -3517,40 +3445,6 @@
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
-    "src": [
-      "test/core/end2end/fixtures/h2_full+poll.c"
-    ], 
-    "third_party": false, 
-    "type": "target"
-  }, 
-  {
-    "deps": [
-      "end2end_nosec_tests", 
-      "gpr", 
-      "gpr_test_util", 
-      "grpc_test_util_unsecure", 
-      "grpc_unsecure"
-    ], 
-    "headers": [], 
-    "language": "c", 
-    "name": "h2_full+poll+pipe_nosec_test", 
-    "src": [
-      "test/core/end2end/fixtures/h2_full+poll+pipe.c"
-    ], 
-    "third_party": false, 
-    "type": "target"
-  }, 
-  {
-    "deps": [
-      "end2end_nosec_tests", 
-      "gpr", 
-      "gpr_test_util", 
-      "grpc_test_util_unsecure", 
-      "grpc_unsecure"
-    ], 
-    "headers": [], 
-    "language": "c", 
     "name": "h2_proxy_nosec_test", 
     "src": [
       "test/core/end2end/fixtures/h2_proxy.c"
@@ -3644,23 +3538,6 @@
     "type": "target"
   }, 
   {
-    "deps": [
-      "end2end_nosec_tests", 
-      "gpr", 
-      "gpr_test_util", 
-      "grpc_test_util_unsecure", 
-      "grpc_unsecure"
-    ], 
-    "headers": [], 
-    "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
-    "src": [
-      "test/core/end2end/fixtures/h2_uds+poll.c"
-    ], 
-    "third_party": false, 
-    "type": "target"
-  }, 
-  {
     "deps": [], 
     "headers": [
       "include/grpc/impl/codegen/alloc.h", 
@@ -3905,7 +3782,6 @@
       "src/core/iomgr/iomgr_posix.h", 
       "src/core/iomgr/pollset.h", 
       "src/core/iomgr/pollset_set.h", 
-      "src/core/iomgr/pollset_set_posix.h", 
       "src/core/iomgr/pollset_set_windows.h", 
       "src/core/iomgr/pollset_windows.h", 
       "src/core/iomgr/resolve_address.h", 
@@ -4113,7 +3989,6 @@
       "src/core/iomgr/iomgr_windows.c", 
       "src/core/iomgr/pollset.h", 
       "src/core/iomgr/pollset_set.h", 
-      "src/core/iomgr/pollset_set_posix.h", 
       "src/core/iomgr/pollset_set_windows.c", 
       "src/core/iomgr/pollset_set_windows.h", 
       "src/core/iomgr/pollset_windows.c", 
@@ -4459,7 +4334,6 @@
       "src/core/iomgr/iomgr_posix.h", 
       "src/core/iomgr/pollset.h", 
       "src/core/iomgr/pollset_set.h", 
-      "src/core/iomgr/pollset_set_posix.h", 
       "src/core/iomgr/pollset_set_windows.h", 
       "src/core/iomgr/pollset_windows.h", 
       "src/core/iomgr/resolve_address.h", 
@@ -4651,7 +4525,6 @@
       "src/core/iomgr/iomgr_windows.c", 
       "src/core/iomgr/pollset.h", 
       "src/core/iomgr/pollset_set.h", 
-      "src/core/iomgr/pollset_set_posix.h", 
       "src/core/iomgr/pollset_set_windows.c", 
       "src/core/iomgr/pollset_set_windows.h", 
       "src/core/iomgr/pollset_windows.c", 
diff --git a/tools/run_tests/tests.json b/tools/run_tests/tests.json
index 742005c43e..2f514bfc00 100644
--- a/tools/run_tests/tests.json
+++ b/tools/run_tests/tests.json
@@ -7750,1158 +7750,6 @@
       "bad_hostname"
     ], 
     "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_full+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "binary_metadata"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_full+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "call_creds"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_full+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "cancel_after_accept"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_full+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "cancel_after_client_done"
-    ], 
-    "ci_platforms": [
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-    ], 
-    "cpu_cost": 0.1, 
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-    "flaky": false, 
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-    ]
-  }, 
-  {
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-    ], 
-    "ci_platforms": [
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       "windows", 
       "linux", 
       "posix"
@@ -13042,582 +11890,6 @@
       "bad_hostname"
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-    "name": "h2_ssl+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
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-    "args": [
-      "request_with_flags"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
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-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_ssl+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
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-      "request_with_payload"
-    ], 
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-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_ssl+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "server_finishes_request"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_ssl+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "shutdown_finishes_calls"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_ssl+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "shutdown_finishes_tags"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_ssl+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "simple_delayed_request"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_ssl+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "simple_metadata"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_ssl+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "simple_request"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_ssl+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "trailing_metadata"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_ssl+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "bad_hostname"
-    ], 
-    "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
@@ -15630,566 +13902,6 @@
       "bad_hostname"
     ], 
     "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "binary_metadata"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "call_creds"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "cancel_after_accept"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "cancel_after_client_done"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "cancel_after_invoke"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "cancel_before_invoke"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "cancel_in_a_vacuum"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "cancel_with_status"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "compressed_payload"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "connectivity"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
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-      "disappearing_server"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "empty_batch"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "graceful_server_shutdown"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "high_initial_seqno"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "hpack_size"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "invoke_large_request"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
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-      "large_metadata"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "max_concurrent_streams"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "max_message_length"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "negative_deadline"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "no_op"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "payload"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "ping"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
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-    "args": [
-      "ping_pong_streaming"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
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-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
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-    ]
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-  {
-    "args": [
-      "registered_call"
-    ], 
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-      "linux"
-    ], 
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-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "request_with_flags"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "request_with_payload"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "server_finishes_request"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "shutdown_finishes_calls"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "shutdown_finishes_tags"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "simple_delayed_request"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "simple_metadata"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "simple_request"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "trailing_metadata"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "bad_hostname"
-    ], 
-    "ci_platforms": [
       "windows", 
       "linux", 
       "mac", 
@@ -19060,1126 +16772,6 @@
       "bad_hostname"
     ], 
     "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "binary_metadata"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "cancel_after_accept"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "cancel_after_client_done"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "cancel_after_invoke"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "cancel_before_invoke"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "cancel_in_a_vacuum"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "cancel_with_status"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "compressed_payload"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "connectivity"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "default_host"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "disappearing_server"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "empty_batch"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "graceful_server_shutdown"
-    ], 
-    "ci_platforms": [
-      "linux"
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       "posix"
@@ -24021,549 +20613,5 @@
       "mac", 
       "posix"
     ]
-  }, 
-  {
-    "args": [
-      "bad_hostname"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "binary_metadata"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "cancel_after_accept"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "cancel_after_client_done"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "cancel_after_invoke"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "cancel_before_invoke"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "cancel_in_a_vacuum"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "cancel_with_status"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "compressed_payload"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "connectivity"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "disappearing_server"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "empty_batch"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "graceful_server_shutdown"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "high_initial_seqno"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "hpack_size"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "invoke_large_request"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "large_metadata"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "max_concurrent_streams"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "max_message_length"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "negative_deadline"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "no_op"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "payload"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "ping"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "ping_pong_streaming"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "registered_call"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "request_with_flags"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "request_with_payload"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "server_finishes_request"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "shutdown_finishes_calls"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "shutdown_finishes_tags"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "simple_delayed_request"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "simple_metadata"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "simple_request"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "trailing_metadata"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
-    "platforms": [
-      "linux"
-    ]
   }
 ]
diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj b/vsprojects/vcxproj/grpc/grpc.vcxproj
index 743626fb84..8e0a5e8b94 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj
@@ -330,7 +330,6 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\iomgr\iomgr_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\iomgr\pollset.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\iomgr\pollset_set.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\iomgr\pollset_set_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\iomgr\pollset_set_windows.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\iomgr\pollset_windows.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\iomgr\resolve_address.h" />
diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
index 158c3cab02..002379de62 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
@@ -659,9 +659,6 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\iomgr\pollset_set.h">
       <Filter>src\core\iomgr</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\iomgr\pollset_set_posix.h">
-      <Filter>src\core\iomgr</Filter>
-    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\iomgr\pollset_set_windows.h">
       <Filter>src\core\iomgr</Filter>
     </ClInclude>
diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
index a5f6174fc0..770eae403b 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
@@ -320,7 +320,6 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\iomgr\iomgr_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\iomgr\pollset.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\iomgr\pollset_set.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\iomgr\pollset_set_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\iomgr\pollset_set_windows.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\iomgr\pollset_windows.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\iomgr\resolve_address.h" />
diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
index d34bbf981e..09167ab050 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
@@ -596,9 +596,6 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\iomgr\pollset_set.h">
       <Filter>src\core\iomgr</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\iomgr\pollset_set_posix.h">
-      <Filter>src\core\iomgr</Filter>
-    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\iomgr\pollset_set_windows.h">
       <Filter>src\core\iomgr</Filter>
     </ClInclude>