Internalize gpr_thd except for id and currentid

64 files changed, 78 insertions, 71 deletions

diff --git a/test/core/bad_client/bad_client.cc b/test/core/bad_client/bad_client.cc
index ee55a95e4e..6055ccbf4b 100644
--- a/test/core/bad_client/bad_client.cc
+++ b/test/core/bad_client/bad_client.cc
@@ -23,13 +23,13 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/string_util.h>
 #include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
 
 #include "src/core/ext/filters/http/server/http_server_filter.h"
 #include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
 #include "src/core/lib/channel/channel_stack.h"
 #include "src/core/lib/gpr/murmur_hash.h"
 #include "src/core/lib/gpr/string.h"
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/iomgr/endpoint_pair.h"
 #include "src/core/lib/slice/slice_internal.h"
 #include "src/core/lib/surface/completion_queue.h"
diff --git a/test/core/end2end/bad_server_response_test.cc b/test/core/end2end/bad_server_response_test.cc
index 79331bca6f..1af168e1f9 100644
--- a/test/core/end2end/bad_server_response_test.cc
+++ b/test/core/end2end/bad_server_response_test.cc
@@ -28,10 +28,10 @@
 #include <grpc/slice.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
-#include <grpc/support/thd.h>
 
 #include "src/core/lib/gpr/host_port.h"
 #include "src/core/lib/gpr/string.h"
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/iomgr/sockaddr.h"
 #include "src/core/lib/slice/slice_internal.h"
 #include "src/core/lib/slice/slice_string_helpers.h"
diff --git a/test/core/end2end/fixtures/h2_census.cc b/test/core/end2end/fixtures/h2_census.cc
index 423764ad07..27b897ce5a 100644
--- a/test/core/end2end/fixtures/h2_census.cc
+++ b/test/core/end2end/fixtures/h2_census.cc
@@ -23,7 +23,6 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
 
 #include "src/core/ext/filters/client_channel/client_channel.h"
 #include "src/core/ext/filters/http/server/http_server_filter.h"
@@ -31,6 +30,7 @@
 #include "src/core/lib/channel/channel_args.h"
 #include "src/core/lib/channel/connected_channel.h"
 #include "src/core/lib/gpr/host_port.h"
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/surface/channel.h"
 #include "src/core/lib/surface/server.h"
 #include "test/core/util/port.h"
diff --git a/test/core/end2end/fixtures/h2_compress.cc b/test/core/end2end/fixtures/h2_compress.cc
index af7ddecd00..b4ec78d710 100644
--- a/test/core/end2end/fixtures/h2_compress.cc
+++ b/test/core/end2end/fixtures/h2_compress.cc
@@ -23,7 +23,6 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
 
 #include "src/core/ext/filters/client_channel/client_channel.h"
 #include "src/core/ext/filters/http/server/http_server_filter.h"
@@ -31,6 +30,7 @@
 #include "src/core/lib/channel/channel_args.h"
 #include "src/core/lib/channel/connected_channel.h"
 #include "src/core/lib/gpr/host_port.h"
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/surface/channel.h"
 #include "src/core/lib/surface/server.h"
 #include "test/core/util/port.h"
diff --git a/test/core/end2end/fixtures/h2_full+pipe.cc b/test/core/end2end/fixtures/h2_full+pipe.cc
index 88f24b937c..e97d078d9c 100644
--- a/test/core/end2end/fixtures/h2_full+pipe.cc
+++ b/test/core/end2end/fixtures/h2_full+pipe.cc
@@ -28,13 +28,13 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
 
 #include "src/core/ext/filters/client_channel/client_channel.h"
 #include "src/core/ext/filters/http/server/http_server_filter.h"
 #include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
 #include "src/core/lib/channel/connected_channel.h"
 #include "src/core/lib/gpr/host_port.h"
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/iomgr/wakeup_fd_posix.h"
 #include "src/core/lib/surface/channel.h"
 #include "src/core/lib/surface/server.h"
diff --git a/test/core/end2end/fixtures/h2_full+trace.cc b/test/core/end2end/fixtures/h2_full+trace.cc
index 4e0d66896b..12aa69bb17 100644
--- a/test/core/end2end/fixtures/h2_full+trace.cc
+++ b/test/core/end2end/fixtures/h2_full+trace.cc
@@ -28,7 +28,6 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
 
 #include "src/core/ext/filters/client_channel/client_channel.h"
 #include "src/core/ext/filters/http/server/http_server_filter.h"
@@ -36,6 +35,7 @@
 #include "src/core/lib/channel/connected_channel.h"
 #include "src/core/lib/gpr/env.h"
 #include "src/core/lib/gpr/host_port.h"
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/surface/channel.h"
 #include "src/core/lib/surface/server.h"
 #include "test/core/util/port.h"
diff --git a/test/core/end2end/fixtures/h2_full+workarounds.cc b/test/core/end2end/fixtures/h2_full+workarounds.cc
index ce0fed6fee..c6b358dcc5 100644
--- a/test/core/end2end/fixtures/h2_full+workarounds.cc
+++ b/test/core/end2end/fixtures/h2_full+workarounds.cc
@@ -23,7 +23,6 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
 
 #include <grpc/support/workaround_list.h>
 
@@ -32,6 +31,7 @@
 #include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
 #include "src/core/lib/channel/connected_channel.h"
 #include "src/core/lib/gpr/host_port.h"
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/surface/channel.h"
 #include "src/core/lib/surface/server.h"
 #include "test/core/util/port.h"
diff --git a/test/core/end2end/fixtures/h2_full.cc b/test/core/end2end/fixtures/h2_full.cc
index 4b96fa268a..32e3e55128 100644
--- a/test/core/end2end/fixtures/h2_full.cc
+++ b/test/core/end2end/fixtures/h2_full.cc
@@ -23,13 +23,13 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
 
 #include "src/core/ext/filters/client_channel/client_channel.h"
 #include "src/core/ext/filters/http/server/http_server_filter.h"
 #include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
 #include "src/core/lib/channel/connected_channel.h"
 #include "src/core/lib/gpr/host_port.h"
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/surface/channel.h"
 #include "src/core/lib/surface/server.h"
 #include "test/core/util/port.h"
diff --git a/test/core/end2end/fixtures/h2_http_proxy.cc b/test/core/end2end/fixtures/h2_http_proxy.cc
index da63f46018..017682f4c7 100644
--- a/test/core/end2end/fixtures/h2_http_proxy.cc
+++ b/test/core/end2end/fixtures/h2_http_proxy.cc
@@ -24,7 +24,6 @@
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 #include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
 
 #include "src/core/ext/filters/client_channel/client_channel.h"
 #include "src/core/ext/filters/http/server/http_server_filter.h"
@@ -32,6 +31,7 @@
 #include "src/core/lib/channel/connected_channel.h"
 #include "src/core/lib/gpr/env.h"
 #include "src/core/lib/gpr/host_port.h"
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/surface/channel.h"
 #include "src/core/lib/surface/server.h"
 #include "test/core/end2end/fixtures/http_proxy_fixture.h"
diff --git a/test/core/end2end/fixtures/h2_load_reporting.cc b/test/core/end2end/fixtures/h2_load_reporting.cc
index dddeef5862..6adc0c154e 100644
--- a/test/core/end2end/fixtures/h2_load_reporting.cc
+++ b/test/core/end2end/fixtures/h2_load_reporting.cc
@@ -23,7 +23,6 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
 
 #include "src/core/ext/filters/client_channel/client_channel.h"
 #include "src/core/ext/filters/http/server/http_server_filter.h"
@@ -32,6 +31,7 @@
 #include "src/core/lib/channel/channel_args.h"
 #include "src/core/lib/channel/connected_channel.h"
 #include "src/core/lib/gpr/host_port.h"
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/surface/channel.h"
 #include "src/core/lib/surface/server.h"
 #include "test/core/util/port.h"
diff --git a/test/core/end2end/fixtures/h2_proxy.cc b/test/core/end2end/fixtures/h2_proxy.cc
index 4379cddf77..93dde4f4a2 100644
--- a/test/core/end2end/fixtures/h2_proxy.cc
+++ b/test/core/end2end/fixtures/h2_proxy.cc
@@ -23,13 +23,13 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
 
 #include "src/core/ext/filters/client_channel/client_channel.h"
 #include "src/core/ext/filters/http/server/http_server_filter.h"
 #include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
 #include "src/core/lib/channel/connected_channel.h"
 #include "src/core/lib/gpr/host_port.h"
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/surface/channel.h"
 #include "src/core/lib/surface/server.h"
 #include "test/core/end2end/fixtures/proxy.h"
diff --git a/test/core/end2end/fixtures/h2_sockpair+trace.cc b/test/core/end2end/fixtures/h2_sockpair+trace.cc
index 92b9a463c1..5dd5c2ad67 100644
--- a/test/core/end2end/fixtures/h2_sockpair+trace.cc
+++ b/test/core/end2end/fixtures/h2_sockpair+trace.cc
@@ -28,7 +28,6 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
 
 #include "src/core/ext/filters/client_channel/client_channel.h"
 #include "src/core/ext/filters/http/client/http_client_filter.h"
@@ -37,6 +36,7 @@
 #include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
 #include "src/core/lib/channel/connected_channel.h"
 #include "src/core/lib/gpr/env.h"
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/iomgr/endpoint_pair.h"
 #include "src/core/lib/iomgr/iomgr.h"
 #include "src/core/lib/surface/channel.h"
diff --git a/test/core/end2end/fixtures/h2_sockpair.cc b/test/core/end2end/fixtures/h2_sockpair.cc
index 46acf1f615..52a7b95c3a 100644
--- a/test/core/end2end/fixtures/h2_sockpair.cc
+++ b/test/core/end2end/fixtures/h2_sockpair.cc
@@ -23,7 +23,6 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
 
 #include "src/core/ext/filters/client_channel/client_channel.h"
 #include "src/core/ext/filters/http/client/http_client_filter.h"
@@ -31,6 +30,7 @@
 #include "src/core/ext/filters/http/server/http_server_filter.h"
 #include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
 #include "src/core/lib/channel/connected_channel.h"
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/iomgr/endpoint_pair.h"
 #include "src/core/lib/iomgr/iomgr.h"
 #include "src/core/lib/surface/channel.h"
diff --git a/test/core/end2end/fixtures/h2_sockpair_1byte.cc b/test/core/end2end/fixtures/h2_sockpair_1byte.cc
index 6499c90271..0d3cb34724 100644
--- a/test/core/end2end/fixtures/h2_sockpair_1byte.cc
+++ b/test/core/end2end/fixtures/h2_sockpair_1byte.cc
@@ -23,7 +23,6 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
 
 #include "src/core/ext/filters/client_channel/client_channel.h"
 #include "src/core/ext/filters/http/client/http_client_filter.h"
@@ -31,6 +30,7 @@
 #include "src/core/ext/filters/http/server/http_server_filter.h"
 #include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
 #include "src/core/lib/channel/connected_channel.h"
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/iomgr/endpoint_pair.h"
 #include "src/core/lib/iomgr/iomgr.h"
 #include "src/core/lib/surface/channel.h"
diff --git a/test/core/end2end/fixtures/h2_uds.cc b/test/core/end2end/fixtures/h2_uds.cc
index 41045c278c..a97b14f1d6 100644
--- a/test/core/end2end/fixtures/h2_uds.cc
+++ b/test/core/end2end/fixtures/h2_uds.cc
@@ -26,7 +26,6 @@
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 #include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
 
 #include "src/core/ext/filters/client_channel/client_channel.h"
 #include "src/core/ext/filters/http/server/http_server_filter.h"
@@ -34,6 +33,7 @@
 #include "src/core/lib/channel/connected_channel.h"
 #include "src/core/lib/gpr/host_port.h"
 #include "src/core/lib/gpr/string.h"
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/surface/channel.h"
 #include "src/core/lib/surface/server.h"
 #include "test/core/util/port.h"
diff --git a/test/core/end2end/fixtures/http_proxy_fixture.cc b/test/core/end2end/fixtures/http_proxy_fixture.cc
index 63a15753a4..289843e737 100644
--- a/test/core/end2end/fixtures/http_proxy_fixture.cc
+++ b/test/core/end2end/fixtures/http_proxy_fixture.cc
@@ -29,11 +29,11 @@
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 #include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
 
 #include "src/core/lib/channel/channel_args.h"
 #include "src/core/lib/gpr/host_port.h"
 #include "src/core/lib/gpr/string.h"
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/http/parser.h"
 #include "src/core/lib/iomgr/closure.h"
 #include "src/core/lib/iomgr/combiner.h"
diff --git a/test/core/end2end/fixtures/inproc.cc b/test/core/end2end/fixtures/inproc.cc
index 796ef67ddb..4ddcc78495 100644
--- a/test/core/end2end/fixtures/inproc.cc
+++ b/test/core/end2end/fixtures/inproc.cc
@@ -23,13 +23,13 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
 
 #include "src/core/ext/filters/client_channel/client_channel.h"
 #include "src/core/ext/filters/http/server/http_server_filter.h"
 #include "src/core/ext/transport/inproc/inproc_transport.h"
 #include "src/core/lib/channel/connected_channel.h"
 #include "src/core/lib/gpr/host_port.h"
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/surface/channel.h"
 #include "src/core/lib/surface/server.h"
 #include "test/core/util/port.h"
diff --git a/test/core/end2end/fixtures/proxy.cc b/test/core/end2end/fixtures/proxy.cc
index 918988d9dc..bc3b0ca35c 100644
--- a/test/core/end2end/fixtures/proxy.cc
+++ b/test/core/end2end/fixtures/proxy.cc
@@ -23,9 +23,9 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
 
 #include "src/core/lib/gpr/host_port.h"
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/gpr/useful.h"
 #include "test/core/util/port.h"
 
diff --git a/test/core/end2end/tests/bad_ping.cc b/test/core/end2end/tests/bad_ping.cc
index ddab3faa27..9fff3bfb7d 100644
--- a/test/core/end2end/tests/bad_ping.cc
+++ b/test/core/end2end/tests/bad_ping.cc
@@ -23,9 +23,9 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
 #include <grpc/support/time.h>
 
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/gpr/useful.h"
 #include "test/core/end2end/cq_verifier.h"
 
diff --git a/test/core/end2end/tests/connectivity.cc b/test/core/end2end/tests/connectivity.cc
index 56e5189a22..a517ffa686 100644
--- a/test/core/end2end/tests/connectivity.cc
+++ b/test/core/end2end/tests/connectivity.cc
@@ -20,9 +20,9 @@
 
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
 #include <grpc/support/time.h>
 
+#include "src/core/lib/gpr/thd.h"
 #include "test/core/end2end/cq_verifier.h"
 
 static void* tag(intptr_t t) { return (void*)t; }
diff --git a/test/core/end2end/tests/ping.cc b/test/core/end2end/tests/ping.cc
index c01dfa858f..8fce295f90 100644
--- a/test/core/end2end/tests/ping.cc
+++ b/test/core/end2end/tests/ping.cc
@@ -20,9 +20,9 @@
 
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
 #include <grpc/support/time.h>
 
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/gpr/useful.h"
 #include "test/core/end2end/cq_verifier.h"
 
diff --git a/test/core/gpr/arena_test.cc b/test/core/gpr/arena_test.cc
index c10d7eaff7..9eaf57b631 100644
--- a/test/core/gpr/arena_test.cc
+++ b/test/core/gpr/arena_test.cc
@@ -22,11 +22,11 @@
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 #include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
 #include <inttypes.h>
 #include <string.h>
 
 #include "src/core/lib/gpr/string.h"
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/gpr/useful.h"
 #include "test/core/util/test_config.h"
 
diff --git a/test/core/gpr/cpu_test.cc b/test/core/gpr/cpu_test.cc
index 46a168665c..9f2c3f1923 100644
--- a/test/core/gpr/cpu_test.cc
+++ b/test/core/gpr/cpu_test.cc
@@ -25,10 +25,11 @@
 #include <grpc/support/cpu.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
 #include <grpc/support/time.h>
 #include <stdio.h>
 #include <string.h>
+
+#include "src/core/lib/gpr/thd.h"
 #include "test/core/util/test_config.h"
 
 /* Test structure is essentially:
diff --git a/test/core/gpr/mpscq_test.cc b/test/core/gpr/mpscq_test.cc
index 333390e928..96813466c9 100644
--- a/test/core/gpr/mpscq_test.cc
+++ b/test/core/gpr/mpscq_test.cc
@@ -23,8 +23,8 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
 
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/gpr/useful.h"
 #include "test/core/util/test_config.h"
 
diff --git a/test/core/gpr/spinlock_test.cc b/test/core/gpr/spinlock_test.cc
index cd6de69126..9f182bc154 100644
--- a/test/core/gpr/spinlock_test.cc
+++ b/test/core/gpr/spinlock_test.cc
@@ -22,10 +22,11 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
 #include <grpc/support/time.h>
 #include <stdio.h>
 #include <stdlib.h>
+
+#include "src/core/lib/gpr/thd.h"
 #include "test/core/util/test_config.h"
 
 /* ------------------------------------------------- */
diff --git a/test/core/gpr/sync_test.cc b/test/core/gpr/sync_test.cc
index 39ff8852b6..bafd91020b 100644
--- a/test/core/gpr/sync_test.cc
+++ b/test/core/gpr/sync_test.cc
@@ -21,10 +21,11 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
 #include <grpc/support/time.h>
 #include <stdio.h>
 #include <stdlib.h>
+
+#include "src/core/lib/gpr/thd.h"
 #include "test/core/util/test_config.h"
 
 /* ==================Example use of interface===================
diff --git a/test/core/gpr/thd_test.cc b/test/core/gpr/thd_test.cc
index b755bf18f3..18bbaae6c9 100644
--- a/test/core/gpr/thd_test.cc
+++ b/test/core/gpr/thd_test.cc
@@ -18,12 +18,14 @@
 
 /* Test of gpr thread support. */
 
+#include "src/core/lib/gpr/thd.h"
+
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
 #include <grpc/support/time.h>
 #include <stdio.h>
 #include <stdlib.h>
+
 #include "test/core/util/test_config.h"
 
 #define NUM_THREADS 300
diff --git a/test/core/gpr/time_test.cc b/test/core/gpr/time_test.cc
index ef7a961d0a..e6bcc1247d 100644
--- a/test/core/gpr/time_test.cc
+++ b/test/core/gpr/time_test.cc
@@ -20,12 +20,13 @@
 
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
 #include <grpc/support/time.h>
 #include <limits.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+
+#include "src/core/lib/gpr/thd.h"
 #include "test/core/util/test_config.h"
 
 static void to_fp(void* arg, const char* buf, size_t len) {
diff --git a/test/core/gpr/tls_test.cc b/test/core/gpr/tls_test.cc
index 1ef253ed6f..1e4534dc5a 100644
--- a/test/core/gpr/tls_test.cc
+++ b/test/core/gpr/tls_test.cc
@@ -20,10 +20,10 @@
 
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
 #include <stdio.h>
 #include <stdlib.h>
 
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/gpr/tls.h"
 #include "test/core/util/test_config.h"
 
diff --git a/test/core/gprpp/manual_constructor_test.cc b/test/core/gprpp/manual_constructor_test.cc
index f06c3cab06..74777fe11c 100644
--- a/test/core/gprpp/manual_constructor_test.cc
+++ b/test/core/gprpp/manual_constructor_test.cc
@@ -22,10 +22,11 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <cstring>
+
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/gprpp/abstract.h"
 #include "test/core/util/test_config.h"
 
diff --git a/test/core/handshake/client_ssl.cc b/test/core/handshake/client_ssl.cc
index 088df3845e..fe2ab251e3 100644
--- a/test/core/handshake/client_ssl.cc
+++ b/test/core/handshake/client_ssl.cc
@@ -34,7 +34,8 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
-#include <grpc/support/thd.h>
+
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/iomgr/load_file.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
diff --git a/test/core/handshake/readahead_handshaker_server_ssl.cc b/test/core/handshake/readahead_handshaker_server_ssl.cc
index fa3ee0bc1e..80000ca8d3 100644
--- a/test/core/handshake/readahead_handshaker_server_ssl.cc
+++ b/test/core/handshake/readahead_handshaker_server_ssl.cc
@@ -29,7 +29,8 @@
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 #include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
+
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/iomgr/load_file.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
diff --git a/test/core/handshake/server_ssl.cc b/test/core/handshake/server_ssl.cc
index 736d3e578e..f0465c8e3e 100644
--- a/test/core/handshake/server_ssl.cc
+++ b/test/core/handshake/server_ssl.cc
@@ -29,7 +29,8 @@
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 #include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
+
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/iomgr/load_file.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
diff --git a/test/core/handshake/server_ssl_common.cc b/test/core/handshake/server_ssl_common.cc
index 6f1a097dbd..d202a7cfd6 100644
--- a/test/core/handshake/server_ssl_common.cc
+++ b/test/core/handshake/server_ssl_common.cc
@@ -31,7 +31,8 @@
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 #include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
+
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/iomgr/load_file.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
diff --git a/test/core/handshake/server_ssl_common.h b/test/core/handshake/server_ssl_common.h
index 77865a408f..f726a1cd3a 100644
--- a/test/core/handshake/server_ssl_common.h
+++ b/test/core/handshake/server_ssl_common.h
@@ -25,7 +25,8 @@
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 #include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
+
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/iomgr/load_file.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
diff --git a/test/core/iomgr/combiner_test.cc b/test/core/iomgr/combiner_test.cc
index eb926cc620..8426b3d233 100644
--- a/test/core/iomgr/combiner_test.cc
+++ b/test/core/iomgr/combiner_test.cc
@@ -21,8 +21,8 @@
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
-#include <grpc/support/thd.h>
 
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/gpr/useful.h"
 #include "test/core/util/test_config.h"
 
diff --git a/test/core/iomgr/error_test.cc b/test/core/iomgr/error_test.cc
index 064ce0a6b2..f6292b72a9 100644
--- a/test/core/iomgr/error_test.cc
+++ b/test/core/iomgr/error_test.cc
@@ -21,10 +21,10 @@
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
-#include <grpc/support/thd.h>
 
 #include <string.h>
 
+#include "src/core/lib/gpr/thd.h"
 #include "test/core/util/test_config.h"
 
 static void test_set_get_int() {
diff --git a/test/core/iomgr/ev_epollsig_linux_test.cc b/test/core/iomgr/ev_epollsig_linux_test.cc
index 5ae68d2e47..02d11271ec 100644
--- a/test/core/iomgr/ev_epollsig_linux_test.cc
+++ b/test/core/iomgr/ev_epollsig_linux_test.cc
@@ -29,8 +29,8 @@
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
-#include <grpc/support/thd.h>
 
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/gpr/useful.h"
 #include "src/core/lib/iomgr/iomgr.h"
 #include "test/core/util/test_config.h"
diff --git a/test/core/iomgr/resolve_address_posix_test.cc b/test/core/iomgr/resolve_address_posix_test.cc
index 92d2338a02..341579f178 100644
--- a/test/core/iomgr/resolve_address_posix_test.cc
+++ b/test/core/iomgr/resolve_address_posix_test.cc
@@ -25,9 +25,9 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
 #include <grpc/support/time.h>
 
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/gpr/useful.h"
 #include "src/core/lib/iomgr/executor.h"
 #include "src/core/lib/iomgr/iomgr.h"
diff --git a/test/core/iomgr/wakeup_fd_cv_test.cc b/test/core/iomgr/wakeup_fd_cv_test.cc
index a3f3f2008b..68dcb50aa6 100644
--- a/test/core/iomgr/wakeup_fd_cv_test.cc
+++ b/test/core/iomgr/wakeup_fd_cv_test.cc
@@ -23,10 +23,10 @@
 #include <pthread.h>
 
 #include <grpc/support/log.h>
-#include <grpc/support/thd.h>
 #include <grpc/support/time.h>
 
 #include "src/core/lib/gpr/env.h"
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/iomgr/ev_posix.h"
 #include "src/core/lib/iomgr/iomgr_posix.h"
 
diff --git a/test/core/network_benchmarks/low_level_ping_pong.cc b/test/core/network_benchmarks/low_level_ping_pong.cc
index 52c423b14a..33716b9d4a 100644
--- a/test/core/network_benchmarks/low_level_ping_pong.cc
+++ b/test/core/network_benchmarks/low_level_ping_pong.cc
@@ -36,9 +36,9 @@
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
-#include <grpc/support/thd.h>
 #include <grpc/support/time.h>
 
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/gpr/useful.h"
 #include "src/core/lib/iomgr/error.h"
 #include "src/core/lib/iomgr/socket_utils_posix.h"
diff --git a/test/core/statistics/rpc_stats_test.cc b/test/core/statistics/rpc_stats_test.cc
index aead5cfdca..ff48075365 100644
--- a/test/core/statistics/rpc_stats_test.cc
+++ b/test/core/statistics/rpc_stats_test.cc
@@ -22,11 +22,12 @@
 #include <grpc/support/log.h>
 #include <grpc/support/port_platform.h>
 #include <grpc/support/string.h>
-#include <grpc/support/thd.h>
 #include <grpc/support/time.h>
+
 #include "src/core/ext/census/census_interface.h"
 #include "src/core/ext/census/census_rpc_stats.h"
 #include "src/core/ext/census/census_tracing.h"
+#include "src/core/lib/gpr/thd.h"
 #include "test/core/util/test_config.h"
 
 /* Ensure all possible state transitions are called without causing problem */
diff --git a/test/core/surface/byte_buffer_reader_test.cc b/test/core/surface/byte_buffer_reader_test.cc
index 648a9d6986..861ed5d1a8 100644
--- a/test/core/surface/byte_buffer_reader_test.cc
+++ b/test/core/surface/byte_buffer_reader_test.cc
@@ -23,10 +23,10 @@
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
-#include <grpc/support/thd.h>
 #include <grpc/support/time.h>
 
 #include "src/core/lib/compression/message_compress.h"
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/iomgr/exec_ctx.h"
 #include "test/core/util/test_config.h"
 
diff --git a/test/core/surface/completion_queue_threading_test.cc b/test/core/surface/completion_queue_threading_test.cc
index e5015723f7..81319f4df4 100644
--- a/test/core/surface/completion_queue_threading_test.cc
+++ b/test/core/surface/completion_queue_threading_test.cc
@@ -20,9 +20,9 @@
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
-#include <grpc/support/thd.h>
 #include <grpc/support/time.h>
 
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/gpr/useful.h"
 #include "src/core/lib/iomgr/iomgr.h"
 #include "test/core/util/test_config.h"
diff --git a/test/core/surface/concurrent_connectivity_test.cc b/test/core/surface/concurrent_connectivity_test.cc
index bbee073c71..95af4abd48 100644
--- a/test/core/surface/concurrent_connectivity_test.cc
+++ b/test/core/surface/concurrent_connectivity_test.cc
@@ -29,8 +29,8 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
-#include <grpc/support/thd.h>
 
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/iomgr/exec_ctx.h"
 #include "src/core/lib/iomgr/iomgr.h"
 #include "src/core/lib/iomgr/resolve_address.h"
diff --git a/test/core/surface/num_external_connectivity_watchers_test.cc b/test/core/surface/num_external_connectivity_watchers_test.cc
index e48fd7fcf2..49d28ad1c7 100644
--- a/test/core/surface/num_external_connectivity_watchers_test.cc
+++ b/test/core/surface/num_external_connectivity_watchers_test.cc
@@ -20,10 +20,10 @@
 #include <grpc/grpc_security.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
-#include <grpc/support/thd.h>
 
 #include "src/core/lib/channel/channel_args.h"
 #include "src/core/lib/gpr/host_port.h"
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/iomgr/exec_ctx.h"
 #include "test/core/end2end/data/ssl_test_data.h"
 #include "test/core/util/port.h"
diff --git a/test/core/surface/public_headers_must_be_c89.c b/test/core/surface/public_headers_must_be_c89.c
index 14267c1214..bd4dc0b60e 100644
--- a/test/core/surface/public_headers_must_be_c89.c
+++ b/test/core/surface/public_headers_must_be_c89.c
@@ -53,7 +53,7 @@
 #include <grpc/support/sync.h>
 #include <grpc/support/sync_custom.h>
 #include <grpc/support/sync_generic.h>
-#include <grpc/support/thd.h>
+#include <grpc/support/thd_id.h>
 #include <grpc/support/time.h>
 #include <grpc/support/workaround_list.h>
 
@@ -268,14 +268,7 @@ int main(int argc, char **argv) {
   printf("%lx", (unsigned long) gpr_stats_init);
   printf("%lx", (unsigned long) gpr_stats_inc);
   printf("%lx", (unsigned long) gpr_stats_read);
-  printf("%lx", (unsigned long) gpr_thd_new);
-  printf("%lx", (unsigned long) gpr_thd_options_default);
-  printf("%lx", (unsigned long) gpr_thd_options_set_detached);
-  printf("%lx", (unsigned long) gpr_thd_options_set_joinable);
-  printf("%lx", (unsigned long) gpr_thd_options_is_detached);
-  printf("%lx", (unsigned long) gpr_thd_options_is_joinable);
   printf("%lx", (unsigned long) gpr_thd_currentid);
-  printf("%lx", (unsigned long) gpr_thd_join);
   printf("%lx", (unsigned long) gpr_time_0);
   printf("%lx", (unsigned long) gpr_inf_future);
   printf("%lx", (unsigned long) gpr_inf_past);
diff --git a/test/core/surface/sequential_connectivity_test.cc b/test/core/surface/sequential_connectivity_test.cc
index 1ac0a5ee13..428d17ff1b 100644
--- a/test/core/surface/sequential_connectivity_test.cc
+++ b/test/core/surface/sequential_connectivity_test.cc
@@ -20,10 +20,10 @@
 #include <grpc/grpc_security.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
-#include <grpc/support/thd.h>
 
 #include "src/core/lib/channel/channel_args.h"
 #include "src/core/lib/gpr/host_port.h"
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/iomgr/exec_ctx.h"
 #include "test/core/end2end/data/ssl_test_data.h"
 #include "test/core/util/port.h"
diff --git a/test/core/tsi/transport_security_test_lib.cc b/test/core/tsi/transport_security_test_lib.cc
index 080585365f..7af6431c66 100644
--- a/test/core/tsi/transport_security_test_lib.cc
+++ b/test/core/tsi/transport_security_test_lib.cc
@@ -23,7 +23,8 @@
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
-#include <grpc/support/thd.h>
+
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/security/transport/tsi_error.h"
 #include "test/core/tsi/transport_security_test_lib.h"
 
diff --git a/test/cpp/client/client_channel_stress_test.cc b/test/cpp/client/client_channel_stress_test.cc
index bb8553f56a..1d2dcae94b 100644
--- a/test/cpp/client/client_channel_stress_test.cc
+++ b/test/cpp/client/client_channel_stress_test.cc
@@ -32,10 +32,10 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
-#include <grpc/support/thd.h>
 #include <grpc/support/time.h>
 
 #include "src/core/ext/filters/client_channel/resolver/fake/fake_resolver.h"
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/gprpp/ref_counted_ptr.h"
 #include "src/core/lib/iomgr/sockaddr.h"
 
diff --git a/test/cpp/cocoapods/generic/generic.mm b/test/cpp/cocoapods/generic/generic.mm
index 30b43ec375..5ca34f195c 100644
--- a/test/cpp/cocoapods/generic/generic.mm
+++ b/test/cpp/cocoapods/generic/generic.mm
@@ -30,9 +30,9 @@
 #include <grpc++/server_context.h>
 #include <grpc++/support/slice.h>
 #include <grpc/grpc.h>
-#include <grpc/support/thd.h>
 #include <grpc/support/time.h>
 
+#include "src/core/lib/gpr/thd.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
diff --git a/test/cpp/end2end/async_end2end_test.cc b/test/cpp/end2end/async_end2end_test.cc
index 219561868f..df706a2237 100644
--- a/test/cpp/end2end/async_end2end_test.cc
+++ b/test/cpp/end2end/async_end2end_test.cc
@@ -30,10 +30,10 @@
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
-#include <grpc/support/thd.h>
 #include <grpc/support/time.h>
 
 #include "src/core/lib/gpr/env.h"
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/gpr/tls.h"
 #include "src/core/lib/iomgr/port.h"
 #include "src/proto/grpc/health/v1/health.grpc.pb.h"
diff --git a/test/cpp/end2end/client_crash_test.cc b/test/cpp/end2end/client_crash_test.cc
index f34b27511b..c28ffea79c 100644
--- a/test/cpp/end2end/client_crash_test.cc
+++ b/test/cpp/end2end/client_crash_test.cc
@@ -24,9 +24,9 @@
 #include <grpc++/server_context.h>
 #include <grpc/grpc.h>
 #include <grpc/support/log.h>
-#include <grpc/support/thd.h>
 #include <grpc/support/time.h>
 
+#include "src/core/lib/gpr/thd.h"
 #include "src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.h"
 #include "src/proto/grpc/testing/echo.grpc.pb.h"
 #include "test/core/util/port.h"
diff --git a/test/cpp/end2end/client_lb_end2end_test.cc b/test/cpp/end2end/client_lb_end2end_test.cc
index f1816af3ce..16600d12b0 100644
--- a/test/cpp/end2end/client_lb_end2end_test.cc
+++ b/test/cpp/end2end/client_lb_end2end_test.cc
@@ -32,13 +32,13 @@
 #include <grpc/support/atm.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
-#include <grpc/support/thd.h>
 #include <grpc/support/time.h>
 
 #include "src/core/ext/filters/client_channel/resolver/fake/fake_resolver.h"
 #include "src/core/ext/filters/client_channel/subchannel_index.h"
 #include "src/core/lib/backoff/backoff.h"
 #include "src/core/lib/gpr/env.h"
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/gprpp/debug_location.h"
 #include "src/core/lib/gprpp/ref_counted_ptr.h"
 
diff --git a/test/cpp/end2end/end2end_test.cc b/test/cpp/end2end/end2end_test.cc
index cd8321771a..38fdde990f 100644
--- a/test/cpp/end2end/end2end_test.cc
+++ b/test/cpp/end2end/end2end_test.cc
@@ -32,10 +32,10 @@
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
-#include <grpc/support/thd.h>
 #include <grpc/support/time.h>
 
 #include "src/core/lib/gpr/env.h"
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/security/credentials/credentials.h"
 #include "src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.h"
 #include "src/proto/grpc/testing/echo.grpc.pb.h"
diff --git a/test/cpp/end2end/filter_end2end_test.cc b/test/cpp/end2end/filter_end2end_test.cc
index d11df3a143..ae6c6c7d11 100644
--- a/test/cpp/end2end/filter_end2end_test.cc
+++ b/test/cpp/end2end/filter_end2end_test.cc
@@ -31,9 +31,9 @@
 #include <grpc++/support/config.h>
 #include <grpc++/support/slice.h>
 #include <grpc/grpc.h>
-#include <grpc/support/thd.h>
 #include <grpc/support/time.h>
 
+#include "src/core/lib/gpr/thd.h"
 #include "src/cpp/common/channel_filter.h"
 #include "src/proto/grpc/testing/echo.grpc.pb.h"
 #include "test/core/util/port.h"
diff --git a/test/cpp/end2end/generic_end2end_test.cc b/test/cpp/end2end/generic_end2end_test.cc
index c778b205e0..86a41fc585 100644
--- a/test/cpp/end2end/generic_end2end_test.cc
+++ b/test/cpp/end2end/generic_end2end_test.cc
@@ -29,9 +29,9 @@
 #include <grpc++/server_context.h>
 #include <grpc++/support/slice.h>
 #include <grpc/grpc.h>
-#include <grpc/support/thd.h>
 #include <grpc/support/time.h>
 
+#include "src/core/lib/gpr/thd.h"
 #include "src/proto/grpc/testing/echo.grpc.pb.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
diff --git a/test/cpp/end2end/grpclb_end2end_test.cc b/test/cpp/end2end/grpclb_end2end_test.cc
index 89c9c2bf76..da5d498963 100644
--- a/test/cpp/end2end/grpclb_end2end_test.cc
+++ b/test/cpp/end2end/grpclb_end2end_test.cc
@@ -30,11 +30,11 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
-#include <grpc/support/thd.h>
 #include <grpc/support/time.h>
 
 #include "src/core/ext/filters/client_channel/resolver/fake/fake_resolver.h"
 #include "src/core/lib/gpr/env.h"
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/gprpp/ref_counted_ptr.h"
 #include "src/core/lib/iomgr/sockaddr.h"
 
diff --git a/test/cpp/end2end/mock_test.cc b/test/cpp/end2end/mock_test.cc
index 175ecea2b3..fe530432ea 100644
--- a/test/cpp/end2end/mock_test.cc
+++ b/test/cpp/end2end/mock_test.cc
@@ -27,9 +27,9 @@
 #include <grpc++/server_context.h>
 #include <grpc/grpc.h>
 #include <grpc/support/log.h>
-#include <grpc/support/thd.h>
 #include <grpc/support/time.h>
 
+#include "src/core/lib/gpr/thd.h"
 #include "src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.h"
 #include "src/proto/grpc/testing/echo.grpc.pb.h"
 #include "src/proto/grpc/testing/echo_mock.grpc.pb.h"
diff --git a/test/cpp/end2end/server_crash_test.cc b/test/cpp/end2end/server_crash_test.cc
index 528951bb9b..574d357bef 100644
--- a/test/cpp/end2end/server_crash_test.cc
+++ b/test/cpp/end2end/server_crash_test.cc
@@ -24,9 +24,9 @@
 #include <grpc++/server_context.h>
 #include <grpc/grpc.h>
 #include <grpc/support/log.h>
-#include <grpc/support/thd.h>
 #include <grpc/support/time.h>
 
+#include "src/core/lib/gpr/thd.h"
 #include "src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.h"
 #include "src/proto/grpc/testing/echo.grpc.pb.h"
 #include "test/core/util/port.h"
diff --git a/test/cpp/end2end/server_early_return_test.cc b/test/cpp/end2end/server_early_return_test.cc
index 6fd26fcdb6..38f9b6755c 100644
--- a/test/cpp/end2end/server_early_return_test.cc
+++ b/test/cpp/end2end/server_early_return_test.cc
@@ -27,9 +27,9 @@
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
-#include <grpc/support/thd.h>
 #include <grpc/support/time.h>
 
+#include "src/core/lib/gpr/thd.h"
 #include "src/proto/grpc/testing/echo.grpc.pb.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
diff --git a/test/cpp/end2end/streaming_throughput_test.cc b/test/cpp/end2end/streaming_throughput_test.cc
index 8fcb8b1d48..2c8928151a 100644
--- a/test/cpp/end2end/streaming_throughput_test.cc
+++ b/test/cpp/end2end/streaming_throughput_test.cc
@@ -31,9 +31,9 @@
 #include <grpc/grpc.h>
 #include <grpc/support/atm.h>
 #include <grpc/support/log.h>
-#include <grpc/support/thd.h>
 #include <grpc/support/time.h>
 
+#include "src/core/lib/gpr/thd.h"
 #include "src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.h"
 #include "src/proto/grpc/testing/echo.grpc.pb.h"
 #include "test/core/util/port.h"
diff --git a/test/cpp/end2end/thread_stress_test.cc b/test/cpp/end2end/thread_stress_test.cc
index 79074d8e70..0842d8e64a 100644
--- a/test/cpp/end2end/thread_stress_test.cc
+++ b/test/cpp/end2end/thread_stress_test.cc
@@ -26,9 +26,9 @@
 #include <grpc++/server_builder.h>
 #include <grpc++/server_context.h>
 #include <grpc/grpc.h>
-#include <grpc/support/thd.h>
 #include <grpc/support/time.h>
 
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/surface/api_trace.h"
 #include "src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.h"
 #include "src/proto/grpc/testing/echo.grpc.pb.h"
diff --git a/test/cpp/grpclb/grpclb_test.cc b/test/cpp/grpclb/grpclb_test.cc
index d17c2957a2..9f6d9fabde 100644
--- a/test/cpp/grpclb/grpclb_test.cc
+++ b/test/cpp/grpclb/grpclb_test.cc
@@ -30,7 +30,6 @@
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 #include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
 #include <grpc/support/time.h>
 
 #include <grpc++/impl/codegen/config.h>
@@ -42,6 +41,7 @@
 #include "src/core/lib/gpr/env.h"
 #include "src/core/lib/gpr/host_port.h"
 #include "src/core/lib/gpr/string.h"
+#include "src/core/lib/gpr/thd.h"
 #include "src/core/lib/gpr/tmpfile.h"
 #include "src/core/lib/gprpp/ref_counted_ptr.h"
 #include "src/core/lib/iomgr/sockaddr.h"