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grpc/include/grpc/impl/codegen/port_platform.h

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/*
*
* Copyright 2015, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#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
*/
/* 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 */
#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) */
#include <windows.h>
#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(GPR_MANYLINUX1)
// TODO(atash): manylinux1 is just another __linux__ but with ancient
// libraries; it should be integrated with the `__linux__` definitions below.
#define GPR_PLATFORM_STRING "manylinux"
#define GPR_POSIX_CRASH_HANDLER 1
#define GPR_CPU_POSIX 1
#define GPR_GCC_ATOMIC 1
#define GPR_GCC_TLS 1
#define GPR_LINUX 1
#define GPR_LINUX_LOG 1
#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_GETPID_IN_UNISTD_H 1
#ifdef _LP64
#define GPR_ARCH_64 1
#else /* _LP64 */
#define GPR_ARCH_32 1
#endif /* _LP64 */
#elif defined(ANDROID) || defined(__ANDROID__)
#define GPR_PLATFORM_STRING "android"
#define GPR_ANDROID 1
#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_GETPID_IN_UNISTD_H 1
#define GPR_SUPPORT_CHANNELS_FROM_FD 1
#elif defined(__linux__)
#define GPR_POSIX_CRASH_HANDLER 1
#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_GETPID_IN_UNISTD_H 1
#ifdef _LP64
#define GPR_ARCH_64 1
#else /* _LP64 */
#define GPR_ARCH_32 1
#endif /* _LP64 */
#elif defined(__APPLE__)
#include <Availability.h>
#include <TargetConditionals.h>
#ifndef _BSD_SOURCE
#define _BSD_SOURCE
#endif
#if TARGET_OS_IPHONE
#define GPR_FORBID_UNREACHABLE_CODE 1
#define GPR_PLATFORM_STRING "ios"
#define GPR_CPU_IPHONE 1
#define GPR_PTHREAD_TLS 1
#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
#define GPR_GCC_TLS 1
#endif
#else /* __MAC_OS_X_VERSION_MIN_REQUIRED */
#define GPR_CPU_POSIX 1
#define GPR_GCC_TLS 1
#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_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(__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_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(__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_GETPID_IN_UNISTD_H 1
#ifdef _LP64
#define GPR_ARCH_64 1
#else /* _LP64 */
#define GPR_ARCH_32 1
#endif /* _LP64 */
#else
#error "Could not auto-detect platform"
#endif
#endif /* GPR_NO_AUTODETECT_PLATFORM */
#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 */
/* 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_MUST_USE_RESULT
#ifdef __GNUC__
#define GRPC_MUST_USE_RESULT __attribute__((warn_unused_result))
#else
#define GRPC_MUST_USE_RESULT
#endif
#endif
#ifndef GPRC_PRINT_FORMAT_CHECK
#ifdef __GNUC__
#define GPRC_PRINT_FORMAT_CHECK(FORMAT_STR, ARGS) \
__attribute__((format(printf, FORMAT_STR, ARGS)))
#else
#define GPRC_PRINT_FORMAT_CHECK(FORMAT_STR, ARGS)
#endif
#endif /* GPRC_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
#endif /* GRPC_IMPL_CODEGEN_PORT_PLATFORM_H */
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