412 lines
11 KiB
C
412 lines
11 KiB
C
/*
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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(__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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#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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#ifdef _PYTHON_MSVC
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// The Python 3.5 Windows runtime is missing InetNtop
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#define GPR_WIN_INET_NTOP
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#endif // _PYTHON_MSVC
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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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#endif /* GRPC_IMPL_CODEGEN_PORT_PLATFORM_H */
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