The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
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466 lines
13 KiB
466 lines
13 KiB
/* |
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* |
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* Copyright 2015 gRPC authors. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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* |
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*/ |
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#ifndef GRPC_IMPL_CODEGEN_PORT_PLATFORM_H |
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#define GRPC_IMPL_CODEGEN_PORT_PLATFORM_H |
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/* |
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* Define GPR_BACKWARDS_COMPATIBILITY_MODE to try harder to be ABI |
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* compatible with older platforms (currently only on Linux) |
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* Causes: |
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* - some libc calls to be gotten via dlsym |
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* - some syscalls to be made directly |
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*/ |
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/* Get windows.h included everywhere (we need it) */ |
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#if defined(_WIN64) || defined(WIN64) || defined(_WIN32) || defined(WIN32) |
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#ifndef WIN32_LEAN_AND_MEAN |
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#define GRPC_WIN32_LEAN_AND_MEAN_WAS_NOT_DEFINED |
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#define WIN32_LEAN_AND_MEAN |
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#endif /* WIN32_LEAN_AND_MEAN */ |
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#ifndef NOMINMAX |
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#define GRPC_NOMINMX_WAS_NOT_DEFINED |
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#define NOMINMAX |
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#endif /* NOMINMAX */ |
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#ifndef _WIN32_WINNT |
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#error \ |
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"Please compile grpc with _WIN32_WINNT of at least 0x600 (aka Windows Vista)" |
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#else /* !defined(_WIN32_WINNT) */ |
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#if (_WIN32_WINNT < 0x0600) |
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#error \ |
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"Please compile grpc with _WIN32_WINNT of at least 0x600 (aka Windows Vista)" |
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#endif /* _WIN32_WINNT < 0x0600 */ |
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#endif /* defined(_WIN32_WINNT) */ |
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#include <windows.h> |
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#ifdef GRPC_WIN32_LEAN_AND_MEAN_WAS_NOT_DEFINED |
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#undef GRPC_WIN32_LEAN_AND_MEAN_WAS_NOT_DEFINED |
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#undef WIN32_LEAN_AND_MEAN |
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#endif /* GRPC_WIN32_LEAN_AND_MEAN_WAS_NOT_DEFINED */ |
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#ifdef GRPC_NOMINMAX_WAS_NOT_DEFINED |
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#undef GRPC_NOMINMAX_WAS_NOT_DEFINED |
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#undef NOMINMAX |
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#endif /* GRPC_WIN32_LEAN_AND_MEAN_WAS_NOT_DEFINED */ |
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#endif /* defined(_WIN64) || defined(WIN64) || defined(_WIN32) || \ |
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defined(WIN32) */ |
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/* Override this file with one for your platform if you need to redefine |
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things. */ |
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#if !defined(GPR_NO_AUTODETECT_PLATFORM) |
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#if defined(_WIN64) || defined(WIN64) || defined(_WIN32) || defined(WIN32) |
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#if defined(_WIN64) || defined(WIN64) |
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#define GPR_ARCH_64 1 |
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#else |
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#define GPR_ARCH_32 1 |
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#endif |
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#define GPR_PLATFORM_STRING "windows" |
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#define GPR_WINDOWS 1 |
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#define GPR_WINDOWS_SUBPROCESS 1 |
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#define GPR_WINDOWS_ENV |
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#ifdef __MSYS__ |
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#define GPR_GETPID_IN_UNISTD_H 1 |
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#define GPR_MSYS_TMPFILE |
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#define GPR_POSIX_LOG |
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#define GPR_POSIX_STRING |
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#define GPR_POSIX_TIME |
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#else |
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#define GPR_GETPID_IN_PROCESS_H 1 |
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#define GPR_WINDOWS_TMPFILE |
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#define GPR_WINDOWS_LOG |
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#define GPR_WINDOWS_CRASH_HANDLER 1 |
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#define GPR_WINDOWS_STRING |
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#define GPR_WINDOWS_TIME |
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#endif |
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#ifdef __GNUC__ |
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#define GPR_GCC_ATOMIC 1 |
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#define GPR_GCC_TLS 1 |
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#else |
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#define GPR_WINDOWS_ATOMIC 1 |
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#define GPR_MSVC_TLS 1 |
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#endif |
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#elif defined(GPR_MANYLINUX1) |
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// TODO(atash): manylinux1 is just another __linux__ but with ancient |
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// libraries; it should be integrated with the `__linux__` definitions below. |
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#define GPR_PLATFORM_STRING "manylinux" |
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#define GPR_POSIX_CRASH_HANDLER 1 |
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#define GPR_CPU_POSIX 1 |
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#define GPR_GCC_ATOMIC 1 |
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#define GPR_GCC_TLS 1 |
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#define GPR_LINUX 1 |
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#define GPR_LINUX_LOG 1 |
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#define GPR_SUPPORT_CHANNELS_FROM_FD 1 |
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#define GPR_LINUX_ENV 1 |
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#define GPR_POSIX_TMPFILE 1 |
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#define GPR_POSIX_STRING 1 |
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#define GPR_POSIX_SUBPROCESS 1 |
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#define GPR_POSIX_SYNC 1 |
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#define GPR_POSIX_TIME 1 |
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#define GPR_GETPID_IN_UNISTD_H 1 |
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#ifdef _LP64 |
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#define GPR_ARCH_64 1 |
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#else /* _LP64 */ |
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#define GPR_ARCH_32 1 |
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#endif /* _LP64 */ |
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#elif defined(ANDROID) || defined(__ANDROID__) |
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#define GPR_PLATFORM_STRING "android" |
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#define GPR_ANDROID 1 |
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#ifdef _LP64 |
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#define GPR_ARCH_64 1 |
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#else /* _LP64 */ |
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#define GPR_ARCH_32 1 |
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#endif /* _LP64 */ |
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#define GPR_CPU_POSIX 1 |
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#define GPR_GCC_SYNC 1 |
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#define GPR_GCC_TLS 1 |
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#define GPR_POSIX_ENV 1 |
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#define GPR_POSIX_TMPFILE 1 |
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#define GPR_ANDROID_LOG 1 |
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#define GPR_POSIX_STRING 1 |
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#define GPR_POSIX_SUBPROCESS 1 |
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#define GPR_POSIX_SYNC 1 |
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#define GPR_POSIX_TIME 1 |
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#define GPR_GETPID_IN_UNISTD_H 1 |
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#define GPR_SUPPORT_CHANNELS_FROM_FD 1 |
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#elif defined(__linux__) |
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#define GPR_PLATFORM_STRING "linux" |
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#ifndef _BSD_SOURCE |
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#define _BSD_SOURCE |
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#endif |
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#ifndef _DEFAULT_SOURCE |
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#define _DEFAULT_SOURCE |
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#endif |
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#ifndef _GNU_SOURCE |
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#define _GNU_SOURCE |
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#endif |
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#include <features.h> |
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#define GPR_CPU_LINUX 1 |
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#define GPR_GCC_ATOMIC 1 |
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#define GPR_GCC_TLS 1 |
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#define GPR_LINUX 1 |
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#define GPR_LINUX_LOG |
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#define GPR_SUPPORT_CHANNELS_FROM_FD 1 |
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#define GPR_LINUX_ENV 1 |
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#define GPR_POSIX_TMPFILE 1 |
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#define GPR_POSIX_STRING 1 |
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#define GPR_POSIX_SUBPROCESS 1 |
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#define GPR_POSIX_SYNC 1 |
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#define GPR_POSIX_TIME 1 |
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#define GPR_GETPID_IN_UNISTD_H 1 |
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#ifdef _LP64 |
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#define GPR_ARCH_64 1 |
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#else /* _LP64 */ |
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#define GPR_ARCH_32 1 |
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#endif /* _LP64 */ |
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#ifdef __GLIBC__ |
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#define GPR_POSIX_CRASH_HANDLER 1 |
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#else /* musl libc */ |
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#define GPR_MUSL_LIBC_COMPAT 1 |
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#endif |
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#elif defined(__APPLE__) |
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#include <Availability.h> |
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#include <TargetConditionals.h> |
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#ifndef _BSD_SOURCE |
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#define _BSD_SOURCE |
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#endif |
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#if TARGET_OS_IPHONE |
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#define GPR_PLATFORM_STRING "ios" |
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#define GPR_CPU_IPHONE 1 |
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#define GPR_PTHREAD_TLS 1 |
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#else /* TARGET_OS_IPHONE */ |
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#define GPR_PLATFORM_STRING "osx" |
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#ifdef __MAC_OS_X_VERSION_MIN_REQUIRED |
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#if __MAC_OS_X_VERSION_MIN_REQUIRED < __MAC_10_7 |
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#define GPR_CPU_IPHONE 1 |
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#define GPR_PTHREAD_TLS 1 |
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#else /* __MAC_OS_X_VERSION_MIN_REQUIRED < __MAC_10_7 */ |
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#define GPR_CPU_POSIX 1 |
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#define GPR_GCC_TLS 1 |
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#endif |
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#else /* __MAC_OS_X_VERSION_MIN_REQUIRED */ |
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#define GPR_CPU_POSIX 1 |
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#define GPR_GCC_TLS 1 |
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#endif |
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#define GPR_POSIX_CRASH_HANDLER 1 |
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#endif |
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#define GPR_APPLE 1 |
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#define GPR_GCC_ATOMIC 1 |
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#define GPR_POSIX_LOG 1 |
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#define GPR_POSIX_ENV 1 |
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#define GPR_POSIX_TMPFILE 1 |
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#define GPR_POSIX_STRING 1 |
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#define GPR_POSIX_SUBPROCESS 1 |
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#define GPR_POSIX_SYNC 1 |
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#define GPR_POSIX_TIME 1 |
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#define GPR_GETPID_IN_UNISTD_H 1 |
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#define GPR_SUPPORT_CHANNELS_FROM_FD 1 |
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#ifdef _LP64 |
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#define GPR_ARCH_64 1 |
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#else /* _LP64 */ |
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#define GPR_ARCH_32 1 |
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#endif /* _LP64 */ |
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#elif defined(__FreeBSD__) |
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#define GPR_PLATFORM_STRING "freebsd" |
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#ifndef _BSD_SOURCE |
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#define _BSD_SOURCE |
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#endif |
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#define GPR_FREEBSD 1 |
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#define GPR_CPU_POSIX 1 |
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#define GPR_GCC_ATOMIC 1 |
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#define GPR_GCC_TLS 1 |
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#define GPR_POSIX_LOG 1 |
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#define GPR_POSIX_ENV 1 |
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#define GPR_POSIX_TMPFILE 1 |
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#define GPR_POSIX_STRING 1 |
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#define GPR_POSIX_SUBPROCESS 1 |
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#define GPR_POSIX_SYNC 1 |
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#define GPR_POSIX_TIME 1 |
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#define GPR_GETPID_IN_UNISTD_H 1 |
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#define GPR_SUPPORT_CHANNELS_FROM_FD 1 |
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#ifdef _LP64 |
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#define GPR_ARCH_64 1 |
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#else /* _LP64 */ |
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#define GPR_ARCH_32 1 |
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#endif /* _LP64 */ |
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#elif defined(__OpenBSD__) |
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#define GPR_PLATFORM_STRING "openbsd" |
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#ifndef _BSD_SOURCE |
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#define _BSD_SOURCE |
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#endif |
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#define GPR_OPENBSD 1 |
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#define GPR_CPU_POSIX 1 |
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#define GPR_GCC_ATOMIC 1 |
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#define GPR_GCC_TLS 1 |
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#define GPR_POSIX_LOG 1 |
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#define GPR_POSIX_ENV 1 |
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#define GPR_POSIX_TMPFILE 1 |
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#define GPR_POSIX_STRING 1 |
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#define GPR_POSIX_SUBPROCESS 1 |
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#define GPR_POSIX_SYNC 1 |
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#define GPR_POSIX_TIME 1 |
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#define GPR_GETPID_IN_UNISTD_H 1 |
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#define GPR_SUPPORT_CHANNELS_FROM_FD 1 |
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#ifdef _LP64 |
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#define GPR_ARCH_64 1 |
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#else /* _LP64 */ |
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#define GPR_ARCH_32 1 |
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#endif /* _LP64 */ |
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#elif defined(__native_client__) |
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#define GPR_PLATFORM_STRING "nacl" |
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#ifndef _BSD_SOURCE |
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#define _BSD_SOURCE |
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#endif |
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#ifndef _DEFAULT_SOURCE |
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#define _DEFAULT_SOURCE |
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#endif |
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#ifndef _GNU_SOURCE |
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#define _GNU_SOURCE |
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#endif |
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#define GPR_NACL 1 |
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#define GPR_CPU_POSIX 1 |
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#define GPR_GCC_ATOMIC 1 |
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#define GPR_GCC_TLS 1 |
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#define GPR_POSIX_LOG 1 |
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#define GPR_POSIX_ENV 1 |
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#define GPR_POSIX_TMPFILE 1 |
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#define GPR_POSIX_STRING 1 |
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#define GPR_POSIX_SUBPROCESS 1 |
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#define GPR_POSIX_SYNC 1 |
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#define GPR_POSIX_TIME 1 |
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#define GPR_GETPID_IN_UNISTD_H 1 |
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#ifdef _LP64 |
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#define GPR_ARCH_64 1 |
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#else /* _LP64 */ |
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#define GPR_ARCH_32 1 |
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#endif /* _LP64 */ |
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#else |
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#error "Could not auto-detect platform" |
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#endif |
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#endif /* GPR_NO_AUTODETECT_PLATFORM */ |
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/* |
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* There are platforms for which TLS should not be used even though the |
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* compiler makes it seem like it's supported (Android NDK < r12b for example). |
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* This is primarily because of linker problems and toolchain misconfiguration: |
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* TLS isn't supported until NDK r12b per |
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* https://developer.android.com/ndk/downloads/revision_history.html |
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* Since NDK r16, `__NDK_MAJOR__` and `__NDK_MINOR__` are defined in |
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* <android/ndk-version.h>. For NDK < r16, users should define these macros, |
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* e.g. `-D__NDK_MAJOR__=11 -D__NKD_MINOR__=0` for NDK r11. */ |
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#if defined(__ANDROID__) && defined(__clang__) && defined(GPR_GCC_TLS) |
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#if __has_include(<android/ndk-version.h>) |
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#include <android/ndk-version.h> |
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#endif /* __has_include(<android/ndk-version.h>) */ |
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#if defined(__ANDROID__) && defined(__clang__) && defined(__NDK_MAJOR__) && \ |
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defined(__NDK_MINOR__) && \ |
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((__NDK_MAJOR__ < 12) || ((__NDK_MAJOR__ == 12) && (__NDK_MINOR__ < 1))) |
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#undef GPR_GCC_TLS |
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#define GPR_PTHREAD_TLS 1 |
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#endif |
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#endif /*defined(__ANDROID__) && defined(__clang__) && defined(GPR_GCC_TLS) */ |
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#if defined(__has_include) |
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#if __has_include(<atomic>) |
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#define GRPC_HAS_CXX11_ATOMIC |
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#endif /* __has_include(<atomic>) */ |
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#endif /* defined(__has_include) */ |
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#ifndef GPR_PLATFORM_STRING |
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#warning "GPR_PLATFORM_STRING not auto-detected" |
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#define GPR_PLATFORM_STRING "unknown" |
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#endif |
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#ifdef GPR_GCOV |
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#undef GPR_FORBID_UNREACHABLE_CODE |
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#define GPR_FORBID_UNREACHABLE_CODE 1 |
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#endif |
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#ifdef _MSC_VER |
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#if _MSC_VER < 1700 |
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typedef __int8 int8_t; |
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typedef __int16 int16_t; |
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typedef __int32 int32_t; |
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typedef __int64 int64_t; |
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typedef unsigned __int8 uint8_t; |
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typedef unsigned __int16 uint16_t; |
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typedef unsigned __int32 uint32_t; |
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typedef unsigned __int64 uint64_t; |
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#else |
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#include <stdint.h> |
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#endif /* _MSC_VER < 1700 */ |
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#else |
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#include <stdint.h> |
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#endif /* _MSC_VER */ |
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/* Cache line alignment */ |
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#ifndef GPR_CACHELINE_SIZE_LOG |
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#if defined(__i386__) || defined(__x86_64__) |
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#define GPR_CACHELINE_SIZE_LOG 6 |
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#endif |
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#ifndef GPR_CACHELINE_SIZE_LOG |
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/* A reasonable default guess. Note that overestimates tend to waste more |
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space, while underestimates tend to waste more time. */ |
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#define GPR_CACHELINE_SIZE_LOG 6 |
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#endif /* GPR_CACHELINE_SIZE_LOG */ |
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#endif /* GPR_CACHELINE_SIZE_LOG */ |
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#define GPR_CACHELINE_SIZE (1 << GPR_CACHELINE_SIZE_LOG) |
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/* scrub GCC_ATOMIC if it's not available on this compiler */ |
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#if defined(GPR_GCC_ATOMIC) && !defined(__ATOMIC_RELAXED) |
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#undef GPR_GCC_ATOMIC |
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#define GPR_GCC_SYNC 1 |
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#endif |
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/* Validate platform combinations */ |
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#if defined(GPR_GCC_ATOMIC) + defined(GPR_GCC_SYNC) + \ |
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defined(GPR_WINDOWS_ATOMIC) != \ |
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1 |
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#error Must define exactly one of GPR_GCC_ATOMIC, GPR_GCC_SYNC, GPR_WINDOWS_ATOMIC |
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#endif |
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#if defined(GPR_ARCH_32) + defined(GPR_ARCH_64) != 1 |
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#error Must define exactly one of GPR_ARCH_32, GPR_ARCH_64 |
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#endif |
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#if defined(GPR_CPU_LINUX) + defined(GPR_CPU_POSIX) + defined(GPR_WINDOWS) + \ |
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defined(GPR_CPU_IPHONE) + defined(GPR_CPU_CUSTOM) != \ |
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1 |
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#error Must define exactly one of GPR_CPU_LINUX, GPR_CPU_POSIX, GPR_WINDOWS, GPR_CPU_IPHONE, GPR_CPU_CUSTOM |
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#endif |
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#if defined(GPR_MSVC_TLS) + defined(GPR_GCC_TLS) + defined(GPR_PTHREAD_TLS) + \ |
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defined(GPR_CUSTOM_TLS) != \ |
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1 |
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#error Must define exactly one of GPR_MSVC_TLS, GPR_GCC_TLS, GPR_PTHREAD_TLS, GPR_CUSTOM_TLS |
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#endif |
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/* maximum alignment needed for any type on this platform, rounded up to a |
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power of two */ |
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#define GPR_MAX_ALIGNMENT 16 |
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#ifndef GRPC_ARES |
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#ifdef GPR_WINDOWS |
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#define GRPC_ARES 0 |
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#else |
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#define GRPC_ARES 1 |
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#endif |
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#endif |
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#ifndef GRPC_MUST_USE_RESULT |
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#if defined(__GNUC__) && !defined(__MINGW32__) |
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#define GRPC_MUST_USE_RESULT __attribute__((warn_unused_result)) |
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#define GPR_ALIGN_STRUCT(n) __attribute__((aligned(n))) |
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#else |
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#define GRPC_MUST_USE_RESULT |
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#define GPR_ALIGN_STRUCT(n) |
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#endif |
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#endif |
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#ifndef GPR_PRINT_FORMAT_CHECK |
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#ifdef __GNUC__ |
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#define GPR_PRINT_FORMAT_CHECK(FORMAT_STR, ARGS) \ |
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__attribute__((format(printf, FORMAT_STR, ARGS))) |
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#else |
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#define GPR_PRINT_FORMAT_CHECK(FORMAT_STR, ARGS) |
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#endif |
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#endif /* GPR_PRINT_FORMAT_CHECK */ |
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#if GPR_FORBID_UNREACHABLE_CODE |
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#define GPR_UNREACHABLE_CODE(STATEMENT) |
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#else |
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#define GPR_UNREACHABLE_CODE(STATEMENT) \ |
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do { \ |
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gpr_log(GPR_ERROR, "Should never reach here."); \ |
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abort(); \ |
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STATEMENT; \ |
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} while (0) |
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#endif /* GPR_FORBID_UNREACHABLE_CODE */ |
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#ifndef GPRAPI |
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#define GPRAPI |
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#endif |
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#ifndef GRPCAPI |
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#define GRPCAPI GPRAPI |
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#endif |
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#ifndef CENSUSAPI |
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#define CENSUSAPI GRPCAPI |
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#endif |
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#ifndef GPR_ATTRIBUTE_NO_TSAN /* (1) */ |
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#if defined(__has_feature) |
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#if __has_feature(thread_sanitizer) |
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#define GPR_ATTRIBUTE_NO_TSAN __attribute__((no_sanitize("thread"))) |
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#endif /* __has_feature(thread_sanitizer) */ |
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#endif /* defined(__has_feature) */ |
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#ifndef GPR_ATTRIBUTE_NO_TSAN /* (2) */ |
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#define GPR_ATTRIBUTE_NO_TSAN |
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#endif /* GPR_ATTRIBUTE_NO_TSAN (2) */ |
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#endif /* GPR_ATTRIBUTE_NO_TSAN (1) */ |
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#ifndef __STDC_FORMAT_MACROS |
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#define __STDC_FORMAT_MACROS |
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#endif |
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#endif /* GRPC_IMPL_CODEGEN_PORT_PLATFORM_H */
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