4 files changed, 19 insertions, 1 deletions
diff --git a/include/grpc/impl/codegen/atm_gcc_sync.h b/include/grpc/impl/codegen/atm_gcc_sync.h
index c0010a3469..728c3d5412 100644
--- a/include/grpc/impl/codegen/atm_gcc_sync.h
+++ b/include/grpc/impl/codegen/atm_gcc_sync.h
@@ -26,6 +26,8 @@
 typedef intptr_t gpr_atm;
 #define GPR_ATM_MAX INTPTR_MAX
 #define GPR_ATM_MIN INTPTR_MIN
+#define GPR_ATM_INC_CAS_THEN(blah) blah
+#define GPR_ATM_INC_ADD_THEN(blah) blah
 
 #define GPR_ATM_COMPILE_BARRIER_() __asm__ __volatile__("" : : : "memory")
 
diff --git a/include/grpc/impl/codegen/atm_windows.h b/include/grpc/impl/codegen/atm_windows.h
index f6b27e5df7..c016b90095 100644
--- a/include/grpc/impl/codegen/atm_windows.h
+++ b/include/grpc/impl/codegen/atm_windows.h
@@ -25,6 +25,8 @@
 typedef intptr_t gpr_atm;
 #define GPR_ATM_MAX INTPTR_MAX
 #define GPR_ATM_MIN INTPTR_MIN
+#define GPR_ATM_INC_CAS_THEN(blah) blah
+#define GPR_ATM_INC_ADD_THEN(blah) blah
 
 #define gpr_atm_full_barrier MemoryBarrier
 
diff --git a/include/grpc/impl/codegen/grpc_types.h b/include/grpc/impl/codegen/grpc_types.h
index 17a43fab0f..a9fb27946e 100644
--- a/include/grpc/impl/codegen/grpc_types.h
+++ b/include/grpc/impl/codegen/grpc_types.h
@@ -293,7 +293,7 @@ typedef struct {
   "grpc.max_channel_trace_event_memory_per_node"
 /** If non-zero, gRPC library will track stats and information at at per channel
  * level. Disabling channelz naturally disables channel tracing. The default
- * is for channelz to be disabled. */
+ * is for channelz to be enabled. */
 #define GRPC_ARG_ENABLE_CHANNELZ "grpc.enable_channelz"
 /** If non-zero, Cronet transport will coalesce packets to fewer frames
  * when possible. */
@@ -350,6 +350,11 @@ typedef struct {
 /** If set, inhibits health checking (which may be enabled via the
  *  service config.) */
 #define GRPC_ARG_INHIBIT_HEALTH_CHECKING "grpc.inhibit_health_checking"
+/** If set, determines the number of milliseconds that the c-ares based
+ * DNS resolver will wait on queries before cancelling them. The default value
+ * is 10000. Setting this to "0" will disable c-ares query timeouts
+ * entirely. */
+#define GRPC_ARG_DNS_ARES_QUERY_TIMEOUT_MS "grpc.dns_ares_query_timeout"
 /** \} */
 
 /** Result of a grpc call. If the caller satisfies the prerequisites of a
diff --git a/include/grpc/impl/codegen/port_platform.h b/include/grpc/impl/codegen/port_platform.h
index b2028a6305..031c0c36ae 100644
--- a/include/grpc/impl/codegen/port_platform.h
+++ b/include/grpc/impl/codegen/port_platform.h
@@ -526,6 +526,15 @@ typedef unsigned __int64 uint64_t;
 #endif /* GPR_ATTRIBUTE_NO_TSAN (2) */
 #endif /* GPR_ATTRIBUTE_NO_TSAN (1) */
 
+/* GRPC_TSAN_ENABLED will be defined, when compiled with thread sanitizer. */
+#if defined(__SANITIZE_THREAD__)
+#define GRPC_TSAN_ENABLED
+#elif defined(__has_feature)
+#if __has_feature(thread_sanitizer)
+#define GRPC_TSAN_ENABLED
+#endif
+#endif
+
 /* GRPC_ALLOW_EXCEPTIONS should be 0 or 1 if exceptions are allowed or not */
 #ifndef GRPC_ALLOW_EXCEPTIONS
 /* If not already set, set to 1 on Windows (style guide standard) but to