| /* |
| * |
| * Copyright 2015 gRPC authors. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| #ifndef GRPC_IMPL_CODEGEN_PORT_PLATFORM_H |
| #define GRPC_IMPL_CODEGEN_PORT_PLATFORM_H |
| |
| /* |
| * Define GPR_BACKWARDS_COMPATIBILITY_MODE to try harder to be ABI |
| * compatible with older platforms (currently only on Linux) |
| * Causes: |
| * - some libc calls to be gotten via dlsym |
| * - some syscalls to be made directly |
| */ |
| |
| /* |
| * Defines GPR_ABSEIL_SYNC to use synchronization features from Abseil |
| */ |
| #ifndef GPR_ABSEIL_SYNC |
| #if defined(__APPLE__) |
| // This is disabled on Apple platforms because macos/grpc_basictests_c_cpp |
| // fails with this. https://github.com/grpc/grpc/issues/23661 |
| #else |
| #define GPR_ABSEIL_SYNC 1 |
| #endif |
| #endif // GPR_ABSEIL_SYNC |
| |
| /* Get windows.h included everywhere (we need it) */ |
| #if defined(_WIN64) || defined(WIN64) || defined(_WIN32) || defined(WIN32) |
| #ifndef WIN32_LEAN_AND_MEAN |
| #define GRPC_WIN32_LEAN_AND_MEAN_WAS_NOT_DEFINED |
| #define WIN32_LEAN_AND_MEAN |
| #endif /* WIN32_LEAN_AND_MEAN */ |
| |
| #ifndef NOMINMAX |
| #define GRPC_NOMINMX_WAS_NOT_DEFINED |
| #define NOMINMAX |
| #endif /* NOMINMAX */ |
| |
| #include <windows.h> |
| |
| #ifndef _WIN32_WINNT |
| #error \ |
| "Please compile grpc with _WIN32_WINNT of at least 0x600 (aka Windows Vista)" |
| #else /* !defined(_WIN32_WINNT) */ |
| #if (_WIN32_WINNT < 0x0600) |
| #error \ |
| "Please compile grpc with _WIN32_WINNT of at least 0x600 (aka Windows Vista)" |
| #endif /* _WIN32_WINNT < 0x0600 */ |
| #endif /* defined(_WIN32_WINNT) */ |
| |
| #ifdef GRPC_WIN32_LEAN_AND_MEAN_WAS_NOT_DEFINED |
| #undef GRPC_WIN32_LEAN_AND_MEAN_WAS_NOT_DEFINED |
| #undef WIN32_LEAN_AND_MEAN |
| #endif /* GRPC_WIN32_LEAN_AND_MEAN_WAS_NOT_DEFINED */ |
| |
| #ifdef GRPC_NOMINMAX_WAS_NOT_DEFINED |
| #undef GRPC_NOMINMAX_WAS_NOT_DEFINED |
| #undef NOMINMAX |
| #endif /* GRPC_WIN32_LEAN_AND_MEAN_WAS_NOT_DEFINED */ |
| #endif /* defined(_WIN64) || defined(WIN64) || defined(_WIN32) || \ |
| defined(WIN32) */ |
| |
| /* Override this file with one for your platform if you need to redefine |
| things. */ |
| |
| #if !defined(GPR_NO_AUTODETECT_PLATFORM) |
| #if defined(_WIN64) || defined(WIN64) || defined(_WIN32) || defined(WIN32) |
| #if defined(_WIN64) || defined(WIN64) |
| #define GPR_ARCH_64 1 |
| #else |
| #define GPR_ARCH_32 1 |
| #endif |
| #define GPR_PLATFORM_STRING "windows" |
| #define GPR_WINDOWS 1 |
| #define GPR_WINDOWS_SUBPROCESS 1 |
| #define GPR_WINDOWS_ENV |
| #ifdef __MSYS__ |
| #define GPR_GETPID_IN_UNISTD_H 1 |
| #define GPR_MSYS_TMPFILE |
| #define GPR_POSIX_LOG |
| #define GPR_POSIX_STRING |
| #define GPR_POSIX_TIME |
| #else |
| #define GPR_GETPID_IN_PROCESS_H 1 |
| #define GPR_WINDOWS_TMPFILE |
| #define GPR_WINDOWS_LOG |
| #define GPR_WINDOWS_CRASH_HANDLER 1 |
| #define GPR_WINDOWS_STRING |
| #define GPR_WINDOWS_TIME |
| #endif |
| #ifdef __GNUC__ |
| #define GPR_GCC_ATOMIC 1 |
| #define GPR_GCC_TLS 1 |
| #else |
| #define GPR_WINDOWS_ATOMIC 1 |
| #define GPR_MSVC_TLS 1 |
| #endif |
| #elif defined(ANDROID) || defined(__ANDROID__) |
| #define GPR_PLATFORM_STRING "android" |
| #define GPR_ANDROID 1 |
| // TODO(apolcyn): re-evaluate support for c-ares |
| // on android after upgrading our c-ares dependency. |
| // See https://github.com/grpc/grpc/issues/18038. |
| #define GRPC_ARES 0 |
| #ifdef _LP64 |
| #define GPR_ARCH_64 1 |
| #else /* _LP64 */ |
| #define GPR_ARCH_32 1 |
| #endif /* _LP64 */ |
| #define GPR_CPU_POSIX 1 |
| #define GPR_GCC_SYNC 1 |
| #define GPR_GCC_TLS 1 |
| #define GPR_POSIX_ENV 1 |
| #define GPR_POSIX_TMPFILE 1 |
| #define GPR_ANDROID_LOG 1 |
| #define GPR_POSIX_STRING 1 |
| #define GPR_POSIX_SUBPROCESS 1 |
| #define GPR_POSIX_SYNC 1 |
| #define GPR_POSIX_TIME 1 |
| #define GPR_HAS_PTHREAD_H 1 |
| #define GPR_GETPID_IN_UNISTD_H 1 |
| #define GPR_SUPPORT_CHANNELS_FROM_FD 1 |
| #elif defined(__linux__) |
| #define GPR_PLATFORM_STRING "linux" |
| #ifndef _BSD_SOURCE |
| #define _BSD_SOURCE |
| #endif |
| #ifndef _DEFAULT_SOURCE |
| #define _DEFAULT_SOURCE |
| #endif |
| #ifndef _GNU_SOURCE |
| #define _GNU_SOURCE |
| #endif |
| #include <features.h> |
| #define GPR_CPU_LINUX 1 |
| #define GPR_GCC_ATOMIC 1 |
| #define GPR_GCC_TLS 1 |
| #define GPR_LINUX 1 |
| #define GPR_LINUX_LOG |
| #define GPR_SUPPORT_CHANNELS_FROM_FD 1 |
| #define GPR_LINUX_ENV 1 |
| #define GPR_POSIX_TMPFILE 1 |
| #define GPR_POSIX_STRING 1 |
| #define GPR_POSIX_SUBPROCESS 1 |
| #define GPR_POSIX_SYNC 1 |
| #define GPR_POSIX_TIME 1 |
| #define GPR_HAS_PTHREAD_H 1 |
| #define GPR_GETPID_IN_UNISTD_H 1 |
| #ifdef _LP64 |
| #define GPR_ARCH_64 1 |
| #else /* _LP64 */ |
| #define GPR_ARCH_32 1 |
| #endif /* _LP64 */ |
| #ifdef __GLIBC__ |
| #define GPR_POSIX_CRASH_HANDLER 1 |
| #define GPR_LINUX_PTHREAD_NAME 1 |
| #include <linux/version.h> |
| #else /* musl libc */ |
| #define GPR_MUSL_LIBC_COMPAT 1 |
| #endif |
| #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 |
| #define GPR_POSIX_STRING 1 |
| #define GPR_POSIX_LOG 1 |
| #define GPR_POSIX_TIME 1 |
| #define GPR_POSIX_ENV 1 |
| #define GPR_ASYLO 1 |
| #define GRPC_POSIX_SOCKET 1 |
| #define GRPC_POSIX_SOCKETADDR |
| #define GRPC_POSIX_SOCKETUTILS 1 |
| #define GRPC_TIMER_USE_GENERIC 1 |
| #define GRPC_POSIX_NO_SPECIAL_WAKEUP_FD 1 |
| #define GRPC_POSIX_WAKEUP_FD 1 |
| #define GRPC_ARES 0 |
| #define GPR_NO_AUTODETECT_PLATFORM 1 |
| #elif defined(__APPLE__) |
| #include <Availability.h> |
| #include <TargetConditionals.h> |
| #ifndef _BSD_SOURCE |
| #define _BSD_SOURCE |
| #endif |
| #if TARGET_OS_IPHONE |
| #define GPR_PLATFORM_STRING "ios" |
| #define GPR_CPU_IPHONE 1 |
| #define GPR_PTHREAD_TLS 1 |
| #define GRPC_CFSTREAM 1 |
| /* the c-ares resolver isn't safe to enable on iOS */ |
| #define GRPC_ARES 0 |
| #else /* TARGET_OS_IPHONE */ |
| #define GPR_PLATFORM_STRING "osx" |
| #ifdef __MAC_OS_X_VERSION_MIN_REQUIRED |
| #if __MAC_OS_X_VERSION_MIN_REQUIRED < __MAC_10_7 |
| #define GPR_CPU_IPHONE 1 |
| #define GPR_PTHREAD_TLS 1 |
| #else /* __MAC_OS_X_VERSION_MIN_REQUIRED < __MAC_10_7 */ |
| #define GPR_CPU_POSIX 1 |
| /* TODO(vjpai): there is a reported issue in bazel build for Mac where __thread |
| in a header is currently not working (bazelbuild/bazel#4341). Remove |
| the following conditional and use GPR_GCC_TLS when that is fixed */ |
| #ifndef GRPC_BAZEL_BUILD |
| #define GPR_GCC_TLS 1 |
| #else /* GRPC_BAZEL_BUILD */ |
| #define GPR_PTHREAD_TLS 1 |
| #endif /* GRPC_BAZEL_BUILD */ |
| #define GPR_APPLE_PTHREAD_NAME 1 |
| #endif |
| #else /* __MAC_OS_X_VERSION_MIN_REQUIRED */ |
| #define GPR_CPU_POSIX 1 |
| /* TODO(vjpai): Remove the following conditional and use only GPR_GCC_TLS |
| when bazelbuild/bazel#4341 is fixed */ |
| #ifndef GRPC_BAZEL_BUILD |
| #define GPR_GCC_TLS 1 |
| #else /* GRPC_BAZEL_BUILD */ |
| #define GPR_PTHREAD_TLS 1 |
| #endif /* GRPC_BAZEL_BUILD */ |
| #endif |
| #define GPR_POSIX_CRASH_HANDLER 1 |
| #endif |
| #define GPR_APPLE 1 |
| #define GPR_GCC_ATOMIC 1 |
| #define GPR_POSIX_LOG 1 |
| #define GPR_POSIX_ENV 1 |
| #define GPR_POSIX_TMPFILE 1 |
| #define GPR_POSIX_STRING 1 |
| #define GPR_POSIX_SUBPROCESS 1 |
| #define GPR_POSIX_SYNC 1 |
| #define GPR_POSIX_TIME 1 |
| #define GPR_HAS_PTHREAD_H 1 |
| #define GPR_GETPID_IN_UNISTD_H 1 |
| #ifndef GRPC_CFSTREAM |
| #define GPR_SUPPORT_CHANNELS_FROM_FD 1 |
| #endif |
| #ifdef _LP64 |
| #define GPR_ARCH_64 1 |
| #else /* _LP64 */ |
| #define GPR_ARCH_32 1 |
| #endif /* _LP64 */ |
| #elif defined(__FreeBSD__) |
| #define GPR_PLATFORM_STRING "freebsd" |
| #ifndef _BSD_SOURCE |
| #define _BSD_SOURCE |
| #endif |
| #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 |
| #define GPR_POSIX_STRING 1 |
| #define GPR_POSIX_SUBPROCESS 1 |
| #define GPR_POSIX_SYNC 1 |
| #define GPR_POSIX_TIME 1 |
| #define GPR_HAS_PTHREAD_H 1 |
| #define GPR_GETPID_IN_UNISTD_H 1 |
| #define GPR_SUPPORT_CHANNELS_FROM_FD 1 |
| #ifdef _LP64 |
| #define GPR_ARCH_64 1 |
| #else /* _LP64 */ |
| #define GPR_ARCH_32 1 |
| #endif /* _LP64 */ |
| #elif defined(__OpenBSD__) |
| #define GPR_PLATFORM_STRING "openbsd" |
| #ifndef _BSD_SOURCE |
| #define _BSD_SOURCE |
| #endif |
| #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 |
| #define GPR_POSIX_STRING 1 |
| #define GPR_POSIX_SUBPROCESS 1 |
| #define GPR_POSIX_SYNC 1 |
| #define GPR_POSIX_TIME 1 |
| #define GPR_HAS_PTHREAD_H 1 |
| #define GPR_GETPID_IN_UNISTD_H 1 |
| #define GPR_SUPPORT_CHANNELS_FROM_FD 1 |
| #ifdef _LP64 |
| #define GPR_ARCH_64 1 |
| #else /* _LP64 */ |
| #define GPR_ARCH_32 1 |
| #endif /* _LP64 */ |
| #elif defined(__sun) && defined(__SVR4) |
| #define GPR_PLATFORM_STRING "solaris" |
| #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 |
| #define GPR_POSIX_STRING 1 |
| #define GPR_POSIX_SUBPROCESS 1 |
| #define GPR_POSIX_SYNC 1 |
| #define GPR_POSIX_TIME 1 |
| #define GPR_HAS_PTHREAD_H 1 |
| #define GPR_GETPID_IN_UNISTD_H 1 |
| #ifdef _LP64 |
| #define GPR_ARCH_64 1 |
| #else /* _LP64 */ |
| #define GPR_ARCH_32 1 |
| #endif /* _LP64 */ |
| #elif defined(_AIX) |
| #define GPR_PLATFORM_STRING "aix" |
| #ifndef _ALL_SOURCE |
| #define _ALL_SOURCE |
| #endif |
| #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 |
| #define GPR_POSIX_STRING 1 |
| #define GPR_POSIX_SUBPROCESS 1 |
| #define GPR_POSIX_SYNC 1 |
| #define GPR_POSIX_TIME 1 |
| #define GPR_HAS_PTHREAD_H 1 |
| #define GPR_GETPID_IN_UNISTD_H 1 |
| #ifdef _LP64 |
| #define GPR_ARCH_64 1 |
| #else /* _LP64 */ |
| #define GPR_ARCH_32 1 |
| #endif /* _LP64 */ |
| #elif defined(__native_client__) |
| #define GPR_PLATFORM_STRING "nacl" |
| #ifndef _BSD_SOURCE |
| #define _BSD_SOURCE |
| #endif |
| #ifndef _DEFAULT_SOURCE |
| #define _DEFAULT_SOURCE |
| #endif |
| #ifndef _GNU_SOURCE |
| #define _GNU_SOURCE |
| #endif |
| #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 |
| #define GPR_POSIX_STRING 1 |
| #define GPR_POSIX_SUBPROCESS 1 |
| #define GPR_POSIX_SYNC 1 |
| #define GPR_POSIX_TIME 1 |
| #define GPR_HAS_PTHREAD_H 1 |
| #define GPR_GETPID_IN_UNISTD_H 1 |
| #ifdef _LP64 |
| #define GPR_ARCH_64 1 |
| #else /* _LP64 */ |
| #define GPR_ARCH_32 1 |
| #endif /* _LP64 */ |
| #elif defined(__Fuchsia__) |
| #define GPR_FUCHSIA 1 |
| #define GPR_ARCH_64 1 |
| #define GPR_PLATFORM_STRING "fuchsia" |
| #include <features.h> |
| // Specifying musl libc affects wrap_memcpy.c. It causes memmove() to be |
| // invoked. |
| #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 |
| #define GPR_POSIX_TMPFILE 1 |
| #define GPR_POSIX_SUBPROCESS 1 |
| #define GPR_POSIX_SYNC 1 |
| #define GPR_POSIX_STRING 1 |
| #define GPR_POSIX_TIME 1 |
| #define GPR_HAS_PTHREAD_H 1 |
| #define GPR_GETPID_IN_UNISTD_H 1 |
| #else |
| #error "Could not auto-detect platform" |
| #endif |
| #endif /* GPR_NO_AUTODETECT_PLATFORM */ |
| |
| #if defined(GPR_BACKWARDS_COMPATIBILITY_MODE) |
| /* |
| * For backward compatibility mode, reset _FORTIFY_SOURCE to prevent |
| * a library from having non-standard symbols such as __asprintf_chk. |
| * This helps non-glibc systems such as alpine using musl to find symbols. |
| */ |
| #if defined(_FORTIFY_SOURCE) && _FORTIFY_SOURCE > 0 |
| #undef _FORTIFY_SOURCE |
| #define _FORTIFY_SOURCE 0 |
| #endif |
| #endif |
| |
| /* |
| * There are platforms for which TLS should not be used even though the |
| * compiler makes it seem like it's supported (Android NDK < r12b for example). |
| * This is primarily because of linker problems and toolchain misconfiguration: |
| * TLS isn't supported until NDK r12b per |
| * https://developer.android.com/ndk/downloads/revision_history.html |
| * TLS also does not work with Android NDK if GCC is being used as the compiler |
| * instead of Clang. |
| * Since NDK r16, `__NDK_MAJOR__` and `__NDK_MINOR__` are defined in |
| * <android/ndk-version.h>. For NDK < r16, users should define these macros, |
| * e.g. `-D__NDK_MAJOR__=11 -D__NKD_MINOR__=0` for NDK r11. */ |
| #if defined(__ANDROID__) && defined(GPR_GCC_TLS) |
| #if __has_include(<android/ndk-version.h>) |
| #include <android/ndk-version.h> |
| #endif /* __has_include(<android/ndk-version.h>) */ |
| #if (defined(__clang__) && defined(__NDK_MAJOR__) && defined(__NDK_MINOR__) && \ |
| ((__NDK_MAJOR__ < 12) || \ |
| ((__NDK_MAJOR__ == 12) && (__NDK_MINOR__ < 1)))) || \ |
| (defined(__GNUC__) && !defined(__clang__)) |
| #undef GPR_GCC_TLS |
| #define GPR_PTHREAD_TLS 1 |
| #endif |
| #endif /*defined(__ANDROID__) && defined(GPR_GCC_TLS) */ |
| |
| #if defined(__has_include) |
| #if __has_include(<atomic>) |
| #define GRPC_HAS_CXX11_ATOMIC |
| #endif /* __has_include(<atomic>) */ |
| #endif /* defined(__has_include) */ |
| |
| #ifndef GPR_PLATFORM_STRING |
| #warning "GPR_PLATFORM_STRING not auto-detected" |
| #define GPR_PLATFORM_STRING "unknown" |
| #endif |
| |
| #ifdef GPR_GCOV |
| #undef GPR_FORBID_UNREACHABLE_CODE |
| #define GPR_FORBID_UNREACHABLE_CODE 1 |
| #endif |
| |
| #ifdef _MSC_VER |
| #if _MSC_VER < 1700 |
| typedef __int8 int8_t; |
| typedef __int16 int16_t; |
| typedef __int32 int32_t; |
| typedef __int64 int64_t; |
| typedef unsigned __int8 uint8_t; |
| typedef unsigned __int16 uint16_t; |
| typedef unsigned __int32 uint32_t; |
| typedef unsigned __int64 uint64_t; |
| #else |
| #include <stdint.h> |
| #endif /* _MSC_VER < 1700 */ |
| #else |
| #include <stdint.h> |
| #endif /* _MSC_VER */ |
| |
| /* Type of cycle clock implementation */ |
| #ifdef GPR_LINUX |
| /* Disable cycle clock by default. |
| TODO(soheil): enable when we support fallback for unstable cycle clocks. |
| #if defined(__i386__) |
| #define GPR_CYCLE_COUNTER_RDTSC_32 1 |
| #elif defined(__x86_64__) || defined(__amd64__) |
| #define GPR_CYCLE_COUNTER_RDTSC_64 1 |
| #else |
| #define GPR_CYCLE_COUNTER_FALLBACK 1 |
| #endif |
| */ |
| #define GPR_CYCLE_COUNTER_FALLBACK 1 |
| #else |
| #define GPR_CYCLE_COUNTER_FALLBACK 1 |
| #endif /* GPR_LINUX */ |
| |
| /* Cache line alignment */ |
| #ifndef GPR_CACHELINE_SIZE_LOG |
| #if defined(__i386__) || defined(__x86_64__) |
| #define GPR_CACHELINE_SIZE_LOG 6 |
| #endif |
| #ifndef GPR_CACHELINE_SIZE_LOG |
| /* A reasonable default guess. Note that overestimates tend to waste more |
| space, while underestimates tend to waste more time. */ |
| #define GPR_CACHELINE_SIZE_LOG 6 |
| #endif /* GPR_CACHELINE_SIZE_LOG */ |
| #endif /* GPR_CACHELINE_SIZE_LOG */ |
| |
| #define GPR_CACHELINE_SIZE (1 << GPR_CACHELINE_SIZE_LOG) |
| |
| /* scrub GCC_ATOMIC if it's not available on this compiler */ |
| #if defined(GPR_GCC_ATOMIC) && !defined(__ATOMIC_RELAXED) |
| #undef GPR_GCC_ATOMIC |
| #define GPR_GCC_SYNC 1 |
| #endif |
| |
| /* Validate platform combinations */ |
| #if defined(GPR_GCC_ATOMIC) + defined(GPR_GCC_SYNC) + \ |
| defined(GPR_WINDOWS_ATOMIC) != \ |
| 1 |
| #error Must define exactly one of GPR_GCC_ATOMIC, GPR_GCC_SYNC, GPR_WINDOWS_ATOMIC |
| #endif |
| |
| #if defined(GPR_ARCH_32) + defined(GPR_ARCH_64) != 1 |
| #error Must define exactly one of GPR_ARCH_32, GPR_ARCH_64 |
| #endif |
| |
| #if defined(GPR_CPU_LINUX) + defined(GPR_CPU_POSIX) + defined(GPR_WINDOWS) + \ |
| defined(GPR_CPU_IPHONE) + defined(GPR_CPU_CUSTOM) != \ |
| 1 |
| #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_CUSTOM_TLS) != \ |
| 1 |
| #error Must define exactly one of GPR_MSVC_TLS, GPR_GCC_TLS, GPR_PTHREAD_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 |
| |
| #ifndef GRPC_ARES |
| #define GRPC_ARES 1 |
| #endif |
| |
| #ifndef GRPC_IF_NAMETOINDEX |
| #define GRPC_IF_NAMETOINDEX 1 |
| #endif |
| |
| #ifndef GRPC_MUST_USE_RESULT |
| #if defined(__GNUC__) && !defined(__MINGW32__) |
| #define GRPC_MUST_USE_RESULT __attribute__((warn_unused_result)) |
| #define GPR_ALIGN_STRUCT(n) __attribute__((aligned(n))) |
| #else |
| #define GRPC_MUST_USE_RESULT |
| #define GPR_ALIGN_STRUCT(n) |
| #endif |
| #endif |
| |
| #ifndef GRPC_UNUSED |
| #if defined(__GNUC__) && !defined(__MINGW32__) |
| #define GRPC_UNUSED __attribute__((unused)) |
| #else |
| #define GRPC_UNUSED |
| #endif |
| #endif |
| |
| #ifndef GPR_PRINT_FORMAT_CHECK |
| #ifdef __GNUC__ |
| #define GPR_PRINT_FORMAT_CHECK(FORMAT_STR, ARGS) \ |
| __attribute__((format(printf, FORMAT_STR, ARGS))) |
| #else |
| #define GPR_PRINT_FORMAT_CHECK(FORMAT_STR, ARGS) |
| #endif |
| #endif /* GPR_PRINT_FORMAT_CHECK */ |
| |
| #if GPR_FORBID_UNREACHABLE_CODE |
| #define GPR_UNREACHABLE_CODE(STATEMENT) |
| #else |
| #define GPR_UNREACHABLE_CODE(STATEMENT) \ |
| do { \ |
| gpr_log(GPR_ERROR, "Should never reach here."); \ |
| abort(); \ |
| STATEMENT; \ |
| } while (0) |
| #endif /* GPR_FORBID_UNREACHABLE_CODE */ |
| |
| #ifndef GPRAPI |
| #define GPRAPI |
| #endif |
| |
| #ifndef GRPCAPI |
| #define GRPCAPI GPRAPI |
| #endif |
| |
| #ifndef CENSUSAPI |
| #define CENSUSAPI GRPCAPI |
| #endif |
| |
| #ifndef GPR_HAS_ATTRIBUTE |
| #ifdef __has_attribute |
| #define GPR_HAS_ATTRIBUTE(a) __has_attribute(a) |
| #else |
| #define GPR_HAS_ATTRIBUTE(a) 0 |
| #endif |
| #endif /* GPR_HAS_ATTRIBUTE */ |
| |
| #ifndef GPR_HAS_FEATURE |
| #ifdef __has_feature |
| #define GPR_HAS_FEATURE(a) __has_feature(a) |
| #else |
| #define GPR_HAS_FEATURE(a) 0 |
| #endif |
| #endif /* GPR_HAS_FEATURE */ |
| |
| #ifndef GPR_ATTRIBUTE_NOINLINE |
| #if GPR_HAS_ATTRIBUTE(noinline) || (defined(__GNUC__) && !defined(__clang__)) |
| #define GPR_ATTRIBUTE_NOINLINE __attribute__((noinline)) |
| #define GPR_HAS_ATTRIBUTE_NOINLINE 1 |
| #else |
| #define GPR_ATTRIBUTE_NOINLINE |
| #endif |
| #endif /* GPR_ATTRIBUTE_NOINLINE */ |
| |
| #ifndef GPR_ATTRIBUTE_WEAK |
| /* Attribute weak is broken on LLVM/windows: |
| * https://bugs.llvm.org/show_bug.cgi?id=37598 */ |
| #if (GPR_HAS_ATTRIBUTE(weak) || (defined(__GNUC__) && !defined(__clang__))) && \ |
| !(defined(__llvm__) && defined(_WIN32)) |
| #define GPR_ATTRIBUTE_WEAK __attribute__((weak)) |
| #define GPR_HAS_ATTRIBUTE_WEAK 1 |
| #else |
| #define GPR_ATTRIBUTE_WEAK |
| #endif |
| #endif /* GPR_ATTRIBUTE_WEAK */ |
| |
| #ifndef GPR_ATTRIBUTE_NO_TSAN /* (1) */ |
| #if GPR_HAS_FEATURE(thread_sanitizer) |
| #define GPR_ATTRIBUTE_NO_TSAN __attribute__((no_sanitize("thread"))) |
| #endif /* GPR_HAS_FEATURE */ |
| #ifndef GPR_ATTRIBUTE_NO_TSAN /* (2) */ |
| #define GPR_ATTRIBUTE_NO_TSAN |
| #endif /* GPR_ATTRIBUTE_NO_TSAN (2) */ |
| #endif /* GPR_ATTRIBUTE_NO_TSAN (1) */ |
| |
| /* GRPC_TSAN_ENABLED will be defined, when compiled with thread sanitizer. */ |
| #ifndef GRPC_TSAN_SUPPRESSED |
| #if defined(__SANITIZE_THREAD__) |
| #define GRPC_TSAN_ENABLED |
| #elif GPR_HAS_FEATURE(thread_sanitizer) |
| #define GRPC_TSAN_ENABLED |
| #endif |
| #endif |
| |
| /* GRPC_ASAN_ENABLED will be defined, when compiled with address sanitizer. */ |
| #ifndef GRPC_ASAN_SUPPRESSED |
| #if defined(__SANITIZE_ADDRESS__) |
| #define GRPC_ASAN_ENABLED |
| #elif GPR_HAS_FEATURE(address_sanitizer) |
| #define GRPC_ASAN_ENABLED |
| #endif |
| #endif |
| |
| /* GRPC_ALLOW_EXCEPTIONS should be 0 or 1 if exceptions are allowed or not */ |
| #ifndef GRPC_ALLOW_EXCEPTIONS |
| #ifdef GPR_WINDOWS |
| #if defined(_MSC_VER) && defined(_CPPUNWIND) |
| #define GRPC_ALLOW_EXCEPTIONS 1 |
| #elif defined(__EXCEPTIONS) |
| #define GRPC_ALLOW_EXCEPTIONS 1 |
| #else |
| #define GRPC_ALLOW_EXCEPTIONS 0 |
| #endif |
| #else /* GPR_WINDOWS */ |
| #ifdef __EXCEPTIONS |
| #define GRPC_ALLOW_EXCEPTIONS 1 |
| #else /* __EXCEPTIONS */ |
| #define GRPC_ALLOW_EXCEPTIONS 0 |
| #endif /* __EXCEPTIONS */ |
| #endif /* __GPR_WINDOWS */ |
| #endif /* GRPC_ALLOW_EXCEPTIONS */ |
| |
| /* Use GPR_LIKELY only in cases where you are sure that a certain outcome is the |
| * most likely. Ideally, also collect performance numbers to justify the claim. |
| */ |
| #ifdef __GNUC__ |
| #define GPR_LIKELY(x) __builtin_expect((x), 1) |
| #define GPR_UNLIKELY(x) __builtin_expect((x), 0) |
| #else /* __GNUC__ */ |
| #define GPR_LIKELY(x) (x) |
| #define GPR_UNLIKELY(x) (x) |
| #endif /* __GNUC__ */ |
| |
| #ifndef __STDC_FORMAT_MACROS |
| #define __STDC_FORMAT_MACROS |
| #endif |
| |
| #endif /* GRPC_IMPL_CODEGEN_PORT_PLATFORM_H */ |
