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				|  |  | +/*
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				|  |  | + *
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				|  |  | + * Copyright 2015, Google Inc.
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				|  |  | + * All rights reserved.
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				|  |  | + *
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				|  |  | + * Redistribution and use in source and binary forms, with or without
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				|  |  | + * modification, are permitted provided that the following conditions are
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				|  |  | + * met:
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				|  |  | + *
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				|  |  | + *     * Redistributions of source code must retain the above copyright
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				|  |  | + * notice, this list of conditions and the following disclaimer.
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				|  |  | + *     * Redistributions in binary form must reproduce the above
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				|  |  | + * copyright notice, this list of conditions and the following disclaimer
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				|  |  | + * in the documentation and/or other materials provided with the
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				|  |  | + * distribution.
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				|  |  | + *     * Neither the name of Google Inc. nor the names of its
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				|  |  | + * contributors may be used to endorse or promote products derived from
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				|  |  | + * this software without specific prior written permission.
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				|  |  | + *
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				|  |  | + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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				|  |  | + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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				|  |  | + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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				|  |  | + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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				|  |  | + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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				|  |  | + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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				|  |  | + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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				|  |  | + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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				|  |  | + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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				|  |  | + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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				|  |  | + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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				|  |  | + *
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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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				|  |  | +/* 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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				|  |  | +
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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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				|  |  | +
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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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				|  |  | +
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				|  |  | +#include <windows.h>
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				|  |  | +
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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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				|  |  | +
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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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				|  |  | +
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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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				|  |  | +
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				|  |  | +#if !defined(GPR_NO_AUTODETECT_PLATFORM)
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				|  |  | +#if defined(_WIN64) || defined(WIN64)
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				|  |  | +#define GPR_PLATFORM_STRING "windows"
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				|  |  | +#define GPR_WIN32 1
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				|  |  | +#define GPR_ARCH_64 1
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				|  |  | +#define GPR_GETPID_IN_PROCESS_H 1
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				|  |  | +#define GPR_WINSOCK_SOCKET 1
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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_WIN32_ATOMIC 1
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				|  |  | +#define GPR_MSVC_TLS 1
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				|  |  | +#endif
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				|  |  | +#define GPR_WINDOWS_CRASH_HANDLER 1
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				|  |  | +#elif defined(_WIN32) || defined(WIN32)
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				|  |  | +#define GPR_PLATFORM_STRING "windows"
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				|  |  | +#define GPR_ARCH_32 1
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				|  |  | +#define GPR_WIN32 1
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				|  |  | +#define GPR_GETPID_IN_PROCESS_H 1
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				|  |  | +#define GPR_WINSOCK_SOCKET 1
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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_WIN32_ATOMIC 1
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				|  |  | +#define GPR_MSVC_TLS 1
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				|  |  | +#endif
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				|  |  | +#define GPR_WINDOWS_CRASH_HANDLER 1
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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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				|  |  | +#define GPR_ARCH_32 1
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				|  |  | +#define GPR_CPU_LINUX 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_MULTIPOLL_WITH_POLL 1
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				|  |  | +#define GPR_POSIX_WAKEUP_FD 1
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				|  |  | +#define GPR_LINUX_EVENTFD 1
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				|  |  | +#define GPR_POSIX_SOCKET 1
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				|  |  | +#define GPR_POSIX_SOCKETADDR 1
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				|  |  | +#define GPR_POSIX_SOCKETUTILS 1
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				|  |  | +#define GPR_POSIX_ENV 1
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				|  |  | +#define GPR_POSIX_FILE 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_HAVE_MSG_NOSIGNAL 1
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				|  |  | +#elif defined(__linux__)
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				|  |  | +#define GPR_POSIX_CRASH_HANDLER 1
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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_MULTIPOLL_WITH_EPOLL 1
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				|  |  | +#define GPR_POSIX_WAKEUP_FD 1
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				|  |  | +#define GPR_POSIX_SOCKET 1
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				|  |  | +#define GPR_POSIX_SOCKETADDR 1
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				|  |  | +#ifdef __GLIBC_PREREQ
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				|  |  | +#if __GLIBC_PREREQ(2, 9)
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				|  |  | +#define GPR_LINUX_EVENTFD 1
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				|  |  | +#endif
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				|  |  | +#if __GLIBC_PREREQ(2, 10)
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				|  |  | +#define GPR_LINUX_SOCKETUTILS 1
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				|  |  | +#endif
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				|  |  | +#if __GLIBC_PREREQ(2, 17)
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				|  |  | +#define GPR_LINUX_ENV 1
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				|  |  | +#endif
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				|  |  | +#endif
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				|  |  | +#ifndef GPR_LINUX_EVENTFD
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				|  |  | +#define GPR_POSIX_NO_SPECIAL_WAKEUP_FD 1
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				|  |  | +#endif
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				|  |  | +#ifndef GPR_LINUX_SOCKETUTILS
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				|  |  | +#define GPR_POSIX_SOCKETUTILS
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				|  |  | +#endif
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				|  |  | +#ifndef GPR_LINUX_ENV
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				|  |  | +#define GPR_POSIX_ENV 1
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				|  |  | +#endif
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				|  |  | +#define GPR_POSIX_FILE 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_HAVE_MSG_NOSIGNAL 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(__APPLE__)
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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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				|  |  | +#define GPR_MSG_IOVLEN_TYPE int
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				|  |  | +#if TARGET_OS_IPHONE
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				|  |  | +#define GPR_FORBID_UNREACHABLE_CODE 1
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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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				|  |  | +#define GPR_CPU_POSIX 1
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				|  |  | +#define GPR_GCC_TLS 1
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				|  |  | +#define GPR_POSIX_CRASH_HANDLER 1
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				|  |  | +#endif
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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_MULTIPOLL_WITH_POLL 1
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				|  |  | +#define GPR_POSIX_WAKEUP_FD 1
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				|  |  | +#define GPR_POSIX_NO_SPECIAL_WAKEUP_FD 1
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				|  |  | +#define GPR_POSIX_SOCKET 1
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				|  |  | +#define GPR_POSIX_SOCKETADDR 1
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				|  |  | +#define GPR_POSIX_SOCKETUTILS 1
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				|  |  | +#define GPR_POSIX_ENV 1
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				|  |  | +#define GPR_POSIX_FILE 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_HAVE_SO_NOSIGPIPE 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_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_MULTIPOLL_WITH_POLL 1
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				|  |  | +#define GPR_POSIX_WAKEUP_FD 1
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				|  |  | +#define GPR_POSIX_NO_SPECIAL_WAKEUP_FD 1
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				|  |  | +#define GPR_POSIX_SOCKET 1
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				|  |  | +#define GPR_POSIX_SOCKETADDR 1
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				|  |  | +#define GPR_POSIX_SOCKETUTILS 1
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				|  |  | +#define GPR_POSIX_ENV 1
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				|  |  | +#define GPR_POSIX_FILE 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_HAVE_SO_NOSIGPIPE 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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				|  |  | +#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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				|  |  | +
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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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				|  |  | +
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				|  |  | +/* For a common case, assume that the platform has a C99-like stdint.h */
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				|  |  | +
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				|  |  | +#include <stdint.h>
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				|  |  | +
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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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				|  |  | +
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				|  |  | +#define GPR_CACHELINE_SIZE (1 << GPR_CACHELINE_SIZE_LOG)
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				|  |  | +
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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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				|  |  | +
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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_WIN32_ATOMIC) !=                  \
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				|  |  | +    1
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				|  |  | +#error Must define exactly one of GPR_GCC_ATOMIC, GPR_GCC_SYNC, GPR_WIN32_ATOMIC
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				|  |  | +#endif
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				|  |  | +
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				|  |  | +#if defined(GPR_ARCH_32) + defined(GPR_ARCH_64) != 1
 | 
	
		
			
				|  |  | +#error Must define exactly one of GPR_ARCH_32, GPR_ARCH_64
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				|  |  | +#endif
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				|  |  | +
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				|  |  | +#if defined(GPR_CPU_LINUX) + defined(GPR_CPU_POSIX) + defined(GPR_WIN32) + \
 | 
	
		
			
				|  |  | +        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_WIN32, GPR_CPU_IPHONE, GPR_CPU_CUSTOM
 | 
	
		
			
				|  |  | +#endif
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				|  |  | +
 | 
	
		
			
				|  |  | +#if defined(GPR_POSIX_MULTIPOLL_WITH_POLL) && !defined(GPR_POSIX_SOCKET)
 | 
	
		
			
				|  |  | +#error Must define GPR_POSIX_SOCKET to use GPR_POSIX_MULTIPOLL_WITH_POLL
 | 
	
		
			
				|  |  | +#endif
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +#if defined(GPR_POSIX_SOCKET) + defined(GPR_WINSOCK_SOCKET) + \
 | 
	
		
			
				|  |  | +        defined(GPR_CUSTOM_SOCKET) !=                         \
 | 
	
		
			
				|  |  | +    1
 | 
	
		
			
				|  |  | +#error Must define exactly one of GPR_POSIX_SOCKET, GPR_WINSOCK_SOCKET, GPR_CUSTOM_SOCKET
 | 
	
		
			
				|  |  | +#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
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +#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 */
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +#endif /* GRPC_IMPL_CODEGEN_PORT_PLATFORM_H */
 |