Imported Upstream version 1.41.0

[platform/upstream/grpc.git] / include / grpc / impl / codegen / port_platform.h

diff --git a/include/grpc/impl/codegen/port_platform.h b/include/grpc/impl/codegen/port_platform.h
index cd0310d..8b9831b 100644 (file)
--- a/include/grpc/impl/codegen/port_platform.h
+++ b/include/grpc/impl/codegen/port_platform.h
@@ -19,6 +19,8 @@
 #ifndef GRPC_IMPL_CODEGEN_PORT_PLATFORM_H
 #define GRPC_IMPL_CODEGEN_PORT_PLATFORM_H
 
+// IWYU pragma: private, include <grpc/support/port_platform.h>
+
 /*
  * Define GPR_BACKWARDS_COMPATIBILITY_MODE to try harder to be ABI
  * compatible with older platforms (currently only on Linux)
@@ -27,6 +29,13 @@
  *  - some syscalls to be made directly
  */
 
+// [[deprecated]] attribute is only available since C++14
+#if __cplusplus >= 201402L
+#define GRPC_DEPRECATED(reason) [[deprecated(reason)]]
+#else
+#define GRPC_DEPRECATED(reason)
+#endif  // __cplusplus >= 201402L
+
 /*
  * Defines GPR_ABSEIL_SYNC to use synchronization features from Abseil
  */
@@ -39,6 +48,11 @@
 #endif
 #endif  // GPR_ABSEIL_SYNC
 
+/*
+ * Defines GRPC_ERROR_IS_ABSEIL_STATUS to use absl::Status for grpc_error_handle
+ */
+// #define GRPC_ERROR_IS_ABSEIL_STATUS 1
+
 /* Get windows.h included everywhere (we need it) */
 #if defined(_WIN64) || defined(WIN64) || defined(_WIN32) || defined(WIN32)
 #ifndef WIN32_LEAN_AND_MEAN
@@ -109,10 +123,14 @@
 #else
 #define GPR_WINDOWS_ATOMIC 1
 #endif
-#define GPR_STDCPP_TLS 1
 #elif defined(ANDROID) || defined(__ANDROID__)
 #define GPR_PLATFORM_STRING "android"
 #define GPR_ANDROID 1
+#ifdef __ANDROID_API__
+#if (__ANDROID_API__) >= 29
+#define GPR_SUPPORT_BINDER_TRANSPORT 1
+#endif
+#endif
 // TODO(apolcyn): re-evaluate support for c-ares
 // on android after upgrading our c-ares dependency.
 // See https://github.com/grpc/grpc/issues/18038.
@@ -124,7 +142,6 @@
 #endif /* _LP64 */
 #define GPR_CPU_POSIX 1
 #define GPR_GCC_SYNC 1
-#define GPR_STDCPP_TLS 1
 #define GPR_POSIX_ENV 1
 #define GPR_POSIX_TMPFILE 1
 #define GPR_POSIX_STAT 1
@@ -150,7 +167,6 @@
 #include <features.h>
 #define GPR_CPU_LINUX 1
 #define GPR_GCC_ATOMIC 1
-#define GPR_STDCPP_TLS 1
 #define GPR_LINUX 1
 #define GPR_LINUX_LOG
 #define GPR_SUPPORT_CHANNELS_FROM_FD 1
@@ -178,7 +194,6 @@
 #elif defined(__ASYLO__)
 #define GPR_ARCH_64 1
 #define GPR_CPU_POSIX 1
-#define GPR_GCC_TLS 1
 #define GPR_PLATFORM_STRING "asylo"
 #define GPR_GCC_SYNC 1
 #define GPR_POSIX_SYNC 1
@@ -212,12 +227,7 @@
 #define GPR_CPU_POSIX 1
 #define GPR_POSIX_CRASH_HANDLER 1
 #endif
-#ifdef __has_feature
-#if __has_feature(cxx_thread_local)
-#define GPR_STDCPP_TLS 1
-#endif
-#endif
-#ifndef GPR_STDCPP_TLS
+#if !(defined(__has_feature) && __has_feature(cxx_thread_local))
 #define GPR_PTHREAD_TLS 1
 #endif
 #define GPR_APPLE 1
@@ -248,7 +258,6 @@
 #define GPR_FREEBSD 1
 #define GPR_CPU_POSIX 1
 #define GPR_GCC_ATOMIC 1
-#define GPR_GCC_TLS 1
 #define GPR_POSIX_LOG 1
 #define GPR_POSIX_ENV 1
 #define GPR_POSIX_TMPFILE 1
@@ -273,7 +282,6 @@
 #define GPR_OPENBSD 1
 #define GPR_CPU_POSIX 1
 #define GPR_GCC_ATOMIC 1
-#define GPR_GCC_TLS 1
 #define GPR_POSIX_LOG 1
 #define GPR_POSIX_ENV 1
 #define GPR_POSIX_TMPFILE 1
@@ -295,7 +303,6 @@
 #define GPR_SOLARIS 1
 #define GPR_CPU_POSIX 1
 #define GPR_GCC_ATOMIC 1
-#define GPR_GCC_TLS 1
 #define GPR_POSIX_LOG 1
 #define GPR_POSIX_ENV 1
 #define GPR_POSIX_TMPFILE 1
@@ -319,7 +326,6 @@
 #define GPR_AIX 1
 #define GPR_CPU_POSIX 1
 #define GPR_GCC_ATOMIC 1
-#define GPR_GCC_TLS 1
 #define GPR_POSIX_LOG 1
 #define GPR_POSIX_ENV 1
 #define GPR_POSIX_TMPFILE 1
@@ -349,7 +355,6 @@
 #define GPR_NACL 1
 #define GPR_CPU_POSIX 1
 #define GPR_GCC_ATOMIC 1
-#define GPR_GCC_TLS 1
 #define GPR_POSIX_LOG 1
 #define GPR_POSIX_ENV 1
 #define GPR_POSIX_TMPFILE 1
@@ -376,7 +381,6 @@
 #define GPR_MUSL_LIBC_COMPAT 1
 #define GPR_CPU_POSIX 1
 #define GPR_GCC_ATOMIC 1
-#define GPR_PTHREAD_TLS 1
 #define GPR_POSIX_LOG 1
 #define GPR_POSIX_SYNC 1
 #define GPR_POSIX_ENV 1
@@ -493,12 +497,6 @@ typedef unsigned __int64 uint64_t;
 #error Must define exactly one of GPR_CPU_LINUX, GPR_CPU_POSIX, GPR_WINDOWS, GPR_CPU_IPHONE, GPR_CPU_CUSTOM
 #endif
 
-#if defined(GPR_MSVC_TLS) + defined(GPR_GCC_TLS) + defined(GPR_PTHREAD_TLS) + \
-        defined(GPR_STDCPP_TLS) + defined(GPR_CUSTOM_TLS) !=                  \
-    1
-#error Must define exactly one of GPR_MSVC_TLS, GPR_GCC_TLS, GPR_PTHREAD_TLS, GPR_STDCPP_TLS, GPR_CUSTOM_TLS
-#endif
-
 /* maximum alignment needed for any type on this platform, rounded up to a
    power of two */
 #define GPR_MAX_ALIGNMENT 16
@@ -561,6 +559,14 @@ typedef unsigned __int64 uint64_t;
 #define CENSUSAPI GRPCAPI
 #endif
 
+#ifndef GPR_HAS_CPP_ATTRIBUTE
+#ifdef __has_cpp_attribute
+#define GPR_HAS_CPP_ATTRIBUTE(a) __has_cpp_attribute(a)
+#else
+#define GPR_HAS_CPP_ATTRIBUTE(a) 0
+#endif
+#endif /* GPR_HAS_CPP_ATTRIBUTE */
+
 #ifndef GPR_HAS_ATTRIBUTE
 #ifdef __has_attribute
 #define GPR_HAS_ATTRIBUTE(a) __has_attribute(a)
@@ -586,6 +592,22 @@ typedef unsigned __int64 uint64_t;
 #endif
 #endif /* GPR_ATTRIBUTE_NOINLINE */
 
+#ifndef GPR_NO_UNIQUE_ADDRESS
+#if GPR_HAS_CPP_ATTRIBUTE(no_unique_address)
+#define GPR_NO_UNIQUE_ADDRESS [[no_unique_address]]
+#else
+#define GPR_NO_UNIQUE_ADDRESS
+#endif
+#endif /* GPR_NO_UNIQUE_ADDRESS */
+
+#ifndef GRPC_DEPRECATED
+#if GPR_HAS_CPP_ATTRIBUTE(deprecated)
+#define GRPC_DEPRECATED(reason) [[deprecated(reason)]]
+#else
+#define GRPC_DEPRECATED(reason)
+#endif
+#endif /* GRPC_DEPRECATED */
+
 #ifndef GPR_ATTRIBUTE_WEAK
 /* Attribute weak is broken on LLVM/windows:
  * https://bugs.llvm.org/show_bug.cgi?id=37598 */
@@ -659,4 +681,32 @@ typedef unsigned __int64 uint64_t;
 #define __STDC_FORMAT_MACROS
 #endif
 
+/* Selectively enable EventEngine on specific platforms. This default can be
+ * overridden using the GRPC_USE_EVENT_ENGINE compiler flag.
+ */
+#ifndef GRPC_USE_EVENT_ENGINE
+/* Not enabled by default on any platforms yet. (2021.06) */
+#elif GRPC_USE_EVENT_ENGINE == 0
+/* Building with `-DGRPC_USE_EVENT_ENGINE=0` will override the default. */
+#undef GRPC_USE_EVENT_ENGINE
+#endif /* GRPC_USE_EVENT_ENGINE */
+
+#ifdef GRPC_USE_EVENT_ENGINE
+#undef GPR_SUPPORT_CHANNELS_FROM_FD
+#define GRPC_ARES 0
+#endif /* GRPC_USE_EVENT_ENGINE */
+
+#define GRPC_CALLBACK_API_NONEXPERIMENTAL
+
+/* clang 11 with msan miscompiles destruction of [[no_unique_address]] members
+ * of zero size - for a repro see:
+ * test/core/compiler_bugs/miscompile_with_no_unique_address_test.cc
+ */
+#ifdef __clang__
+#if __clang__ && __clang_major__ <= 11 && __has_feature(memory_sanitizer)
+#undef GPR_NO_UNIQUE_ADDRESS
+#define GPR_NO_UNIQUE_ADDRESS
+#endif
+#endif
+
 #endif /* GRPC_IMPL_CODEGEN_PORT_PLATFORM_H */