| 1 | /* |
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| 2 | * |
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| 3 | * Copyright 2015 gRPC authors. |
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| 4 | * |
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| 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
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| 6 | * you may not use this file except in compliance with the License. |
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| 7 | * You may obtain a copy of the License at |
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| 8 | * |
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| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
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| 10 | * |
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| 11 | * Unless required by applicable law or agreed to in writing, software |
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| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
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| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 14 | * See the License for the specific language governing permissions and |
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| 15 | * limitations under the License. |
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| 16 | * |
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| 17 | */ |
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| 18 | |
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| 19 | #ifndef GRPC_IMPL_CODEGEN_PORT_PLATFORM_H |
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| 20 | #define GRPC_IMPL_CODEGEN_PORT_PLATFORM_H |
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| 21 | |
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| 22 | /* |
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| 23 | * Define GPR_BACKWARDS_COMPATIBILITY_MODE to try harder to be ABI |
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| 24 | * compatible with older platforms (currently only on Linux) |
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| 25 | * Causes: |
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| 26 | * - some libc calls to be gotten via dlsym |
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| 27 | * - some syscalls to be made directly |
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| 28 | */ |
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| 29 | |
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| 30 | /* |
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| 31 | * Defines GRPC_USE_ABSL to use Abseil Common Libraries (C++) |
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| 32 | */ |
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| 33 | #ifndef GRPC_USE_ABSL |
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| 34 | #define GRPC_USE_ABSL 1 |
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| 35 | #endif |
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| 36 | |
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| 37 | /* |
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| 38 | * Defines GPR_ABSEIL_SYNC to use synchronization features from Abseil |
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| 39 | */ |
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| 40 | #ifndef GPR_ABSEIL_SYNC |
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| 41 | /* #define GPR_ABSEIL_SYNC 1 */ |
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| 42 | #endif |
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| 43 | |
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| 44 | /* Get windows.h included everywhere (we need it) */ |
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| 45 | #if defined(_WIN64) || defined(WIN64) || defined(_WIN32) || defined(WIN32) |
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| 46 | #ifndef WIN32_LEAN_AND_MEAN |
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| 47 | #define GRPC_WIN32_LEAN_AND_MEAN_WAS_NOT_DEFINED |
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| 48 | #define WIN32_LEAN_AND_MEAN |
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| 49 | #endif /* WIN32_LEAN_AND_MEAN */ |
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| 50 | |
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| 51 | #ifndef NOMINMAX |
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| 52 | #define GRPC_NOMINMX_WAS_NOT_DEFINED |
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| 53 | #define NOMINMAX |
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| 54 | #endif /* NOMINMAX */ |
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| 55 | |
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| 56 | #include <windows.h> |
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| 57 | |
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| 58 | #ifndef _WIN32_WINNT |
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| 59 | #error \ |
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| 60 | "Please compile grpc with _WIN32_WINNT of at least 0x600 (aka Windows Vista)" |
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| 61 | #else /* !defined(_WIN32_WINNT) */ |
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| 62 | #if (_WIN32_WINNT < 0x0600) |
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| 63 | #error \ |
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| 64 | "Please compile grpc with _WIN32_WINNT of at least 0x600 (aka Windows Vista)" |
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| 65 | #endif /* _WIN32_WINNT < 0x0600 */ |
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| 66 | #endif /* defined(_WIN32_WINNT) */ |
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| 67 | |
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| 68 | #ifdef GRPC_WIN32_LEAN_AND_MEAN_WAS_NOT_DEFINED |
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| 69 | #undef GRPC_WIN32_LEAN_AND_MEAN_WAS_NOT_DEFINED |
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| 70 | #undef WIN32_LEAN_AND_MEAN |
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| 71 | #endif /* GRPC_WIN32_LEAN_AND_MEAN_WAS_NOT_DEFINED */ |
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| 72 | |
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| 73 | #ifdef GRPC_NOMINMAX_WAS_NOT_DEFINED |
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| 74 | #undef GRPC_NOMINMAX_WAS_NOT_DEFINED |
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| 75 | #undef NOMINMAX |
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| 76 | #endif /* GRPC_WIN32_LEAN_AND_MEAN_WAS_NOT_DEFINED */ |
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| 77 | #endif /* defined(_WIN64) || defined(WIN64) || defined(_WIN32) || \ |
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| 78 | defined(WIN32) */ |
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| 79 | |
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| 80 | /* Override this file with one for your platform if you need to redefine |
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| 81 | things. */ |
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| 82 | |
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| 83 | #if !defined(GPR_NO_AUTODETECT_PLATFORM) |
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| 84 | #if defined(_WIN64) || defined(WIN64) || defined(_WIN32) || defined(WIN32) |
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| 85 | #if defined(_WIN64) || defined(WIN64) |
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| 86 | #define GPR_ARCH_64 1 |
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| 87 | #else |
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| 88 | #define GPR_ARCH_32 1 |
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| 89 | #endif |
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| 90 | #define GPR_PLATFORM_STRING "windows" |
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| 91 | #define GPR_WINDOWS 1 |
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| 92 | #define GPR_WINDOWS_SUBPROCESS 1 |
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| 93 | #define GPR_WINDOWS_ENV |
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| 94 | #ifdef __MSYS__ |
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| 95 | #define GPR_GETPID_IN_UNISTD_H 1 |
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| 96 | #define GPR_MSYS_TMPFILE |
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| 97 | #define GPR_POSIX_LOG |
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| 98 | #define GPR_POSIX_STRING |
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| 99 | #define GPR_POSIX_TIME |
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| 100 | #else |
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| 101 | #define GPR_GETPID_IN_PROCESS_H 1 |
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| 102 | #define GPR_WINDOWS_TMPFILE |
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| 103 | #define GPR_WINDOWS_LOG |
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| 104 | #define GPR_WINDOWS_CRASH_HANDLER 1 |
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| 105 | #define GPR_WINDOWS_STRING |
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| 106 | #define GPR_WINDOWS_TIME |
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| 107 | #endif |
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| 108 | #ifdef __GNUC__ |
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| 109 | #define GPR_GCC_ATOMIC 1 |
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| 110 | #define GPR_GCC_TLS 1 |
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| 111 | #else |
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| 112 | #define GPR_WINDOWS_ATOMIC 1 |
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| 113 | #define GPR_MSVC_TLS 1 |
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| 114 | #endif |
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| 115 | #elif defined(GPR_MANYLINUX1) |
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| 116 | // TODO(atash): manylinux1 is just another __linux__ but with ancient |
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| 117 | // libraries; it should be integrated with the `__linux__` definitions below. |
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| 118 | #define GPR_PLATFORM_STRING "manylinux" |
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| 119 | #define GPR_POSIX_CRASH_HANDLER 1 |
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| 120 | #define GPR_CPU_POSIX 1 |
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| 121 | #define GPR_GCC_ATOMIC 1 |
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| 122 | #define GPR_GCC_TLS 1 |
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| 123 | #define GPR_LINUX 1 |
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| 124 | #define GPR_LINUX_LOG 1 |
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| 125 | #define GPR_SUPPORT_CHANNELS_FROM_FD 1 |
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| 126 | #define GPR_LINUX_ENV 1 |
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| 127 | #define GPR_POSIX_TMPFILE 1 |
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| 128 | #define GPR_POSIX_STRING 1 |
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| 129 | #define GPR_POSIX_SUBPROCESS 1 |
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| 130 | #define GPR_POSIX_SYNC 1 |
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| 131 | #define GPR_POSIX_TIME 1 |
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| 132 | #define GPR_HAS_PTHREAD_H 1 |
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| 133 | #define GPR_GETPID_IN_UNISTD_H 1 |
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| 134 | #ifdef _LP64 |
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| 135 | #define GPR_ARCH_64 1 |
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| 136 | #else /* _LP64 */ |
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| 137 | #define GPR_ARCH_32 1 |
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| 138 | #endif /* _LP64 */ |
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| 139 | #include <linux/version.h> |
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| 140 | #elif defined(ANDROID) || defined(__ANDROID__) |
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| 141 | #define GPR_PLATFORM_STRING "android" |
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| 142 | #define GPR_ANDROID 1 |
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| 143 | // TODO(apolcyn): re-evaluate support for c-ares |
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| 144 | // on android after upgrading our c-ares dependency. |
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| 145 | // See https://github.com/grpc/grpc/issues/18038. |
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| 146 | #define GRPC_ARES 0 |
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| 147 | #ifdef _LP64 |
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| 148 | #define GPR_ARCH_64 1 |
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| 149 | #else /* _LP64 */ |
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| 150 | #define GPR_ARCH_32 1 |
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| 151 | #endif /* _LP64 */ |
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| 152 | #define GPR_CPU_POSIX 1 |
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| 153 | #define GPR_GCC_SYNC 1 |
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| 154 | #define GPR_GCC_TLS 1 |
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| 155 | #define GPR_POSIX_ENV 1 |
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| 156 | #define GPR_POSIX_TMPFILE 1 |
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| 157 | #define GPR_ANDROID_LOG 1 |
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| 158 | #define GPR_POSIX_STRING 1 |
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| 159 | #define GPR_POSIX_SUBPROCESS 1 |
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| 160 | #define GPR_POSIX_SYNC 1 |
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| 161 | #define GPR_POSIX_TIME 1 |
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| 162 | #define GPR_HAS_PTHREAD_H 1 |
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| 163 | #define GPR_GETPID_IN_UNISTD_H 1 |
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| 164 | #define GPR_SUPPORT_CHANNELS_FROM_FD 1 |
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| 165 | #elif defined(__linux__) |
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| 166 | #define GPR_PLATFORM_STRING "linux" |
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| 167 | #ifndef _BSD_SOURCE |
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| 168 | #define _BSD_SOURCE |
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| 169 | #endif |
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| 170 | #ifndef _DEFAULT_SOURCE |
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| 171 | #define _DEFAULT_SOURCE |
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| 172 | #endif |
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| 173 | #ifndef _GNU_SOURCE |
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| 174 | #define _GNU_SOURCE |
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| 175 | #endif |
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| 176 | #include <features.h> |
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| 177 | #define GPR_CPU_LINUX 1 |
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| 178 | #define GPR_GCC_ATOMIC 1 |
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| 179 | #define GPR_GCC_TLS 1 |
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| 180 | #define GPR_LINUX 1 |
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| 181 | #define GPR_LINUX_LOG |
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| 182 | #define GPR_SUPPORT_CHANNELS_FROM_FD 1 |
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| 183 | #define GPR_LINUX_ENV 1 |
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| 184 | #define GPR_POSIX_TMPFILE 1 |
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| 185 | #define GPR_POSIX_STRING 1 |
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| 186 | #define GPR_POSIX_SUBPROCESS 1 |
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| 187 | #define GPR_POSIX_SYNC 1 |
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| 188 | #define GPR_POSIX_TIME 1 |
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| 189 | #define GPR_HAS_PTHREAD_H 1 |
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| 190 | #define GPR_GETPID_IN_UNISTD_H 1 |
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| 191 | #ifdef _LP64 |
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| 192 | #define GPR_ARCH_64 1 |
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| 193 | #else /* _LP64 */ |
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| 194 | #define GPR_ARCH_32 1 |
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| 195 | #endif /* _LP64 */ |
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| 196 | #ifdef __GLIBC__ |
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| 197 | #define GPR_POSIX_CRASH_HANDLER 1 |
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| 198 | #define GPR_LINUX_PTHREAD_NAME 1 |
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| 199 | #include <linux/version.h> |
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| 200 | #else /* musl libc */ |
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| 201 | #define GPR_MUSL_LIBC_COMPAT 1 |
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| 202 | #endif |
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| 203 | #elif defined(__ASYLO__) |
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| 204 | #define GPR_ARCH_64 1 |
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| 205 | #define GPR_CPU_POSIX 1 |
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| 206 | #define GPR_GCC_TLS 1 |
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| 207 | #define GPR_PLATFORM_STRING "asylo" |
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| 208 | #define GPR_GCC_SYNC 1 |
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| 209 | #define GPR_POSIX_SYNC 1 |
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| 210 | #define GPR_POSIX_STRING 1 |
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| 211 | #define GPR_POSIX_LOG 1 |
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| 212 | #define GPR_POSIX_TIME 1 |
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| 213 | #define GPR_POSIX_ENV 1 |
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| 214 | #define GPR_ASYLO 1 |
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| 215 | #define GRPC_POSIX_SOCKET 1 |
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| 216 | #define GRPC_POSIX_SOCKETADDR |
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| 217 | #define GRPC_POSIX_SOCKETUTILS 1 |
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| 218 | #define GRPC_TIMER_USE_GENERIC 1 |
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| 219 | #define GRPC_POSIX_NO_SPECIAL_WAKEUP_FD 1 |
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| 220 | #define GRPC_POSIX_WAKEUP_FD 1 |
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| 221 | #define GRPC_ARES 0 |
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| 222 | #define GPR_NO_AUTODETECT_PLATFORM 1 |
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| 223 | #elif defined(__APPLE__) |
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| 224 | #include <Availability.h> |
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| 225 | #include <TargetConditionals.h> |
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| 226 | #ifndef _BSD_SOURCE |
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| 227 | #define _BSD_SOURCE |
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| 228 | #endif |
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| 229 | #if TARGET_OS_IPHONE |
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| 230 | #define GPR_PLATFORM_STRING "ios" |
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| 231 | #define GPR_CPU_IPHONE 1 |
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| 232 | #define GPR_PTHREAD_TLS 1 |
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| 233 | #define GRPC_CFSTREAM 1 |
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| 234 | /* the c-ares resolver isn't safe to enable on iOS */ |
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| 235 | #define GRPC_ARES 0 |
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| 236 | #else /* TARGET_OS_IPHONE */ |
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| 237 | #define GPR_PLATFORM_STRING "osx" |
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| 238 | #ifdef __MAC_OS_X_VERSION_MIN_REQUIRED |
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| 239 | #if __MAC_OS_X_VERSION_MIN_REQUIRED < __MAC_10_7 |
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| 240 | #define GPR_CPU_IPHONE 1 |
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| 241 | #define GPR_PTHREAD_TLS 1 |
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| 242 | #else /* __MAC_OS_X_VERSION_MIN_REQUIRED < __MAC_10_7 */ |
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| 243 | #define GPR_CPU_POSIX 1 |
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| 244 | /* TODO(vjpai): there is a reported issue in bazel build for Mac where __thread |
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| 245 | in a header is currently not working (bazelbuild/bazel#4341). Remove |
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| 246 | the following conditional and use GPR_GCC_TLS when that is fixed */ |
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| 247 | #ifndef GRPC_BAZEL_BUILD |
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| 248 | #define GPR_GCC_TLS 1 |
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| 249 | #else /* GRPC_BAZEL_BUILD */ |
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| 250 | #define GPR_PTHREAD_TLS 1 |
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| 251 | #endif /* GRPC_BAZEL_BUILD */ |
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| 252 | #define GPR_APPLE_PTHREAD_NAME 1 |
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| 253 | #endif |
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| 254 | #else /* __MAC_OS_X_VERSION_MIN_REQUIRED */ |
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| 255 | #define GPR_CPU_POSIX 1 |
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| 256 | /* TODO(vjpai): Remove the following conditional and use only GPR_GCC_TLS |
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| 257 | when bazelbuild/bazel#4341 is fixed */ |
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| 258 | #ifndef GRPC_BAZEL_BUILD |
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| 259 | #define GPR_GCC_TLS 1 |
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| 260 | #else /* GRPC_BAZEL_BUILD */ |
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| 261 | #define GPR_PTHREAD_TLS 1 |
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| 262 | #endif /* GRPC_BAZEL_BUILD */ |
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| 263 | #endif |
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| 264 | #define GPR_POSIX_CRASH_HANDLER 1 |
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| 265 | #endif |
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| 266 | #define GPR_APPLE 1 |
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| 267 | #define GPR_GCC_ATOMIC 1 |
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| 268 | #define GPR_POSIX_LOG 1 |
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| 269 | #define GPR_POSIX_ENV 1 |
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| 270 | #define GPR_POSIX_TMPFILE 1 |
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| 271 | #define GPR_POSIX_STRING 1 |
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| 272 | #define GPR_POSIX_SUBPROCESS 1 |
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| 273 | #define GPR_POSIX_SYNC 1 |
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| 274 | #define GPR_POSIX_TIME 1 |
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| 275 | #define GPR_HAS_PTHREAD_H 1 |
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| 276 | #define GPR_GETPID_IN_UNISTD_H 1 |
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| 277 | #ifndef GRPC_CFSTREAM |
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| 278 | #define GPR_SUPPORT_CHANNELS_FROM_FD 1 |
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| 279 | #endif |
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| 280 | #ifdef _LP64 |
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| 281 | #define GPR_ARCH_64 1 |
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| 282 | #else /* _LP64 */ |
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| 283 | #define GPR_ARCH_32 1 |
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| 284 | #endif /* _LP64 */ |
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| 285 | #elif defined(__FreeBSD__) |
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| 286 | #define GPR_PLATFORM_STRING "freebsd" |
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| 287 | #ifndef _BSD_SOURCE |
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| 288 | #define _BSD_SOURCE |
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| 289 | #endif |
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| 290 | #define GPR_FREEBSD 1 |
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| 291 | #define GPR_CPU_POSIX 1 |
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| 292 | #define GPR_GCC_ATOMIC 1 |
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| 293 | #define GPR_GCC_TLS 1 |
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| 294 | #define GPR_POSIX_LOG 1 |
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| 295 | #define GPR_POSIX_ENV 1 |
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| 296 | #define GPR_POSIX_TMPFILE 1 |
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| 297 | #define GPR_POSIX_STRING 1 |
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| 298 | #define GPR_POSIX_SUBPROCESS 1 |
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| 299 | #define GPR_POSIX_SYNC 1 |
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| 300 | #define GPR_POSIX_TIME 1 |
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| 301 | #define GPR_HAS_PTHREAD_H 1 |
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| 302 | #define GPR_GETPID_IN_UNISTD_H 1 |
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| 303 | #define GPR_SUPPORT_CHANNELS_FROM_FD 1 |
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| 304 | #ifdef _LP64 |
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| 305 | #define GPR_ARCH_64 1 |
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| 306 | #else /* _LP64 */ |
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| 307 | #define GPR_ARCH_32 1 |
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| 308 | #endif /* _LP64 */ |
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| 309 | #elif defined(__OpenBSD__) |
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| 310 | #define GPR_PLATFORM_STRING "openbsd" |
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| 311 | #ifndef _BSD_SOURCE |
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| 312 | #define _BSD_SOURCE |
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| 313 | #endif |
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| 314 | #define GPR_OPENBSD 1 |
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| 315 | #define GPR_CPU_POSIX 1 |
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| 316 | #define GPR_GCC_ATOMIC 1 |
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| 317 | #define GPR_GCC_TLS 1 |
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| 318 | #define GPR_POSIX_LOG 1 |
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| 319 | #define GPR_POSIX_ENV 1 |
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| 320 | #define GPR_POSIX_TMPFILE 1 |
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| 321 | #define GPR_POSIX_STRING 1 |
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| 322 | #define GPR_POSIX_SUBPROCESS 1 |
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| 323 | #define GPR_POSIX_SYNC 1 |
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| 324 | #define GPR_POSIX_TIME 1 |
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| 325 | #define GPR_HAS_PTHREAD_H 1 |
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| 326 | #define GPR_GETPID_IN_UNISTD_H 1 |
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| 327 | #define GPR_SUPPORT_CHANNELS_FROM_FD 1 |
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| 328 | #ifdef _LP64 |
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| 329 | #define GPR_ARCH_64 1 |
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| 330 | #else /* _LP64 */ |
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| 331 | #define GPR_ARCH_32 1 |
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| 332 | #endif /* _LP64 */ |
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| 333 | #elif defined(__sun) && defined(__SVR4) |
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| 334 | #define GPR_PLATFORM_STRING "solaris" |
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| 335 | #define GPR_SOLARIS 1 |
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| 336 | #define GPR_CPU_POSIX 1 |
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| 337 | #define GPR_GCC_ATOMIC 1 |
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| 338 | #define GPR_GCC_TLS 1 |
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| 339 | #define GPR_POSIX_LOG 1 |
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| 340 | #define GPR_POSIX_ENV 1 |
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| 341 | #define GPR_POSIX_TMPFILE 1 |
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| 342 | #define GPR_POSIX_STRING 1 |
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| 343 | #define GPR_POSIX_SUBPROCESS 1 |
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| 344 | #define GPR_POSIX_SYNC 1 |
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| 345 | #define GPR_POSIX_TIME 1 |
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| 346 | #define GPR_HAS_PTHREAD_H 1 |
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| 347 | #define GPR_GETPID_IN_UNISTD_H 1 |
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| 348 | #ifdef _LP64 |
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| 349 | #define GPR_ARCH_64 1 |
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| 350 | #else /* _LP64 */ |
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| 351 | #define GPR_ARCH_32 1 |
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| 352 | #endif /* _LP64 */ |
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| 353 | #elif defined(_AIX) |
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| 354 | #define GPR_PLATFORM_STRING "aix" |
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| 355 | #ifndef _ALL_SOURCE |
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| 356 | #define _ALL_SOURCE |
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| 357 | #endif |
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| 358 | #define GPR_AIX 1 |
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| 359 | #define GPR_CPU_POSIX 1 |
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| 360 | #define GPR_GCC_ATOMIC 1 |
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| 361 | #define GPR_GCC_TLS 1 |
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| 362 | #define GPR_POSIX_LOG 1 |
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| 363 | #define GPR_POSIX_ENV 1 |
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| 364 | #define GPR_POSIX_TMPFILE 1 |
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| 365 | #define GPR_POSIX_STRING 1 |
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| 366 | #define GPR_POSIX_SUBPROCESS 1 |
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| 367 | #define GPR_POSIX_SYNC 1 |
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| 368 | #define GPR_POSIX_TIME 1 |
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| 369 | #define GPR_HAS_PTHREAD_H 1 |
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| 370 | #define GPR_GETPID_IN_UNISTD_H 1 |
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| 371 | #ifdef _LP64 |
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| 372 | #define GPR_ARCH_64 1 |
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| 373 | #else /* _LP64 */ |
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| 374 | #define GPR_ARCH_32 1 |
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| 375 | #endif /* _LP64 */ |
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| 376 | #elif defined(__native_client__) |
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| 377 | #define GPR_PLATFORM_STRING "nacl" |
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| 378 | #ifndef _BSD_SOURCE |
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| 379 | #define _BSD_SOURCE |
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| 380 | #endif |
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| 381 | #ifndef _DEFAULT_SOURCE |
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| 382 | #define _DEFAULT_SOURCE |
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| 383 | #endif |
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| 384 | #ifndef _GNU_SOURCE |
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| 385 | #define _GNU_SOURCE |
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| 386 | #endif |
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| 387 | #define GPR_NACL 1 |
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| 388 | #define GPR_CPU_POSIX 1 |
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| 389 | #define GPR_GCC_ATOMIC 1 |
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| 390 | #define GPR_GCC_TLS 1 |
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| 391 | #define GPR_POSIX_LOG 1 |
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| 392 | #define GPR_POSIX_ENV 1 |
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| 393 | #define GPR_POSIX_TMPFILE 1 |
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| 394 | #define GPR_POSIX_STRING 1 |
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| 395 | #define GPR_POSIX_SUBPROCESS 1 |
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| 396 | #define GPR_POSIX_SYNC 1 |
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| 397 | #define GPR_POSIX_TIME 1 |
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| 398 | #define GPR_HAS_PTHREAD_H 1 |
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| 399 | #define GPR_GETPID_IN_UNISTD_H 1 |
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| 400 | #ifdef _LP64 |
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| 401 | #define GPR_ARCH_64 1 |
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| 402 | #else /* _LP64 */ |
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| 403 | #define GPR_ARCH_32 1 |
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| 404 | #endif /* _LP64 */ |
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| 405 | #elif defined(__Fuchsia__) |
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| 406 | #define GPR_FUCHSIA 1 |
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| 407 | #define GPR_ARCH_64 1 |
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| 408 | #define GPR_PLATFORM_STRING "fuchsia" |
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| 409 | #include <features.h> |
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| 410 | // Specifying musl libc affects wrap_memcpy.c. It causes memmove() to be |
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| 411 | // invoked. |
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| 412 | #define GPR_MUSL_LIBC_COMPAT 1 |
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| 413 | #define GPR_CPU_POSIX 1 |
|---|
| 414 | #define GPR_GCC_ATOMIC 1 |
|---|
| 415 | #define GPR_PTHREAD_TLS 1 |
|---|
| 416 | #define GPR_POSIX_LOG 1 |
|---|
| 417 | #define GPR_POSIX_SYNC 1 |
|---|
| 418 | #define GPR_POSIX_ENV 1 |
|---|
| 419 | #define GPR_POSIX_TMPFILE 1 |
|---|
| 420 | #define GPR_POSIX_SUBPROCESS 1 |
|---|
| 421 | #define GPR_POSIX_SYNC 1 |
|---|
| 422 | #define GPR_POSIX_STRING 1 |
|---|
| 423 | #define GPR_POSIX_TIME 1 |
|---|
| 424 | #define GPR_HAS_PTHREAD_H 1 |
|---|
| 425 | #define GPR_GETPID_IN_UNISTD_H 1 |
|---|
| 426 | #else |
|---|
| 427 | #error "Could not auto-detect platform" |
|---|
| 428 | #endif |
|---|
| 429 | #endif /* GPR_NO_AUTODETECT_PLATFORM */ |
|---|
| 430 | |
|---|
| 431 | #if defined(GPR_BACKWARDS_COMPATIBILITY_MODE) |
|---|
| 432 | /* |
|---|
| 433 | * For backward compatibility mode, reset _FORTIFY_SOURCE to prevent |
|---|
| 434 | * a library from having non-standard symbols such as __asprintf_chk. |
|---|
| 435 | * This helps non-glibc systems such as alpine using musl to find symbols. |
|---|
| 436 | */ |
|---|
| 437 | #if defined(_FORTIFY_SOURCE) && _FORTIFY_SOURCE > 0 |
|---|
| 438 | #undef _FORTIFY_SOURCE |
|---|
| 439 | #define _FORTIFY_SOURCE 0 |
|---|
| 440 | #endif |
|---|
| 441 | #endif |
|---|
| 442 | |
|---|
| 443 | /* |
|---|
| 444 | * There are platforms for which TLS should not be used even though the |
|---|
| 445 | * compiler makes it seem like it's supported (Android NDK < r12b for example). |
|---|
| 446 | * This is primarily because of linker problems and toolchain misconfiguration: |
|---|
| 447 | * TLS isn't supported until NDK r12b per |
|---|
| 448 | * https://developer.android.com/ndk/downloads/revision_history.html |
|---|
| 449 | * TLS also does not work with Android NDK if GCC is being used as the compiler |
|---|
| 450 | * instead of Clang. |
|---|
| 451 | * Since NDK r16, `__NDK_MAJOR__` and `__NDK_MINOR__` are defined in |
|---|
| 452 | * <android/ndk-version.h>. For NDK < r16, users should define these macros, |
|---|
| 453 | * e.g. `-D__NDK_MAJOR__=11 -D__NKD_MINOR__=0` for NDK r11. */ |
|---|
| 454 | #if defined(__ANDROID__) && defined(GPR_GCC_TLS) |
|---|
| 455 | #if __has_include(<android/ndk-version.h>) |
|---|
| 456 | #include <android/ndk-version.h> |
|---|
| 457 | #endif /* __has_include(<android/ndk-version.h>) */ |
|---|
| 458 | #if (defined(__clang__) && defined(__NDK_MAJOR__) && defined(__NDK_MINOR__) && \ |
|---|
| 459 | ((__NDK_MAJOR__ < 12) || \ |
|---|
| 460 | ((__NDK_MAJOR__ == 12) && (__NDK_MINOR__ < 1)))) || \ |
|---|
| 461 | (defined(__GNUC__) && !defined(__clang__)) |
|---|
| 462 | #undef GPR_GCC_TLS |
|---|
| 463 | #define GPR_PTHREAD_TLS 1 |
|---|
| 464 | #endif |
|---|
| 465 | #endif /*defined(__ANDROID__) && defined(GPR_GCC_TLS) */ |
|---|
| 466 | |
|---|
| 467 | #if defined(__has_include) |
|---|
| 468 | #if __has_include(<atomic>) |
|---|
| 469 | #define GRPC_HAS_CXX11_ATOMIC |
|---|
| 470 | #endif /* __has_include(<atomic>) */ |
|---|
| 471 | #endif /* defined(__has_include) */ |
|---|
| 472 | |
|---|
| 473 | #ifndef GPR_PLATFORM_STRING |
|---|
| 474 | #warning "GPR_PLATFORM_STRING not auto-detected" |
|---|
| 475 | #define GPR_PLATFORM_STRING "unknown" |
|---|
| 476 | #endif |
|---|
| 477 | |
|---|
| 478 | #ifdef GPR_GCOV |
|---|
| 479 | #undef GPR_FORBID_UNREACHABLE_CODE |
|---|
| 480 | #define GPR_FORBID_UNREACHABLE_CODE 1 |
|---|
| 481 | #endif |
|---|
| 482 | |
|---|
| 483 | #ifdef _MSC_VER |
|---|
| 484 | #if _MSC_VER < 1700 |
|---|
| 485 | typedef __int8 int8_t; |
|---|
| 486 | typedef __int16 int16_t; |
|---|
| 487 | typedef __int32 int32_t; |
|---|
| 488 | typedef __int64 int64_t; |
|---|
| 489 | typedef unsigned __int8 uint8_t; |
|---|
| 490 | typedef unsigned __int16 uint16_t; |
|---|
| 491 | typedef unsigned __int32 uint32_t; |
|---|
| 492 | typedef unsigned __int64 uint64_t; |
|---|
| 493 | #else |
|---|
| 494 | #include <stdint.h> |
|---|
| 495 | #endif /* _MSC_VER < 1700 */ |
|---|
| 496 | #else |
|---|
| 497 | #include <stdint.h> |
|---|
| 498 | #endif /* _MSC_VER */ |
|---|
| 499 | |
|---|
| 500 | /* Type of cycle clock implementation */ |
|---|
| 501 | #ifdef GPR_LINUX |
|---|
| 502 | /* Disable cycle clock by default. |
|---|
| 503 | TODO(soheil): enable when we support fallback for unstable cycle clocks. |
|---|
| 504 | #if defined(__i386__) |
|---|
| 505 | #define GPR_CYCLE_COUNTER_RDTSC_32 1 |
|---|
| 506 | #elif defined(__x86_64__) || defined(__amd64__) |
|---|
| 507 | #define GPR_CYCLE_COUNTER_RDTSC_64 1 |
|---|
| 508 | #else |
|---|
| 509 | #define GPR_CYCLE_COUNTER_FALLBACK 1 |
|---|
| 510 | #endif |
|---|
| 511 | */ |
|---|
| 512 | #define GPR_CYCLE_COUNTER_FALLBACK 1 |
|---|
| 513 | #else |
|---|
| 514 | #define GPR_CYCLE_COUNTER_FALLBACK 1 |
|---|
| 515 | #endif /* GPR_LINUX */ |
|---|
| 516 | |
|---|
| 517 | /* Cache line alignment */ |
|---|
| 518 | #ifndef GPR_CACHELINE_SIZE_LOG |
|---|
| 519 | #if defined(__i386__) || defined(__x86_64__) |
|---|
| 520 | #define GPR_CACHELINE_SIZE_LOG 6 |
|---|
| 521 | #endif |
|---|
| 522 | #ifndef GPR_CACHELINE_SIZE_LOG |
|---|
| 523 | /* A reasonable default guess. Note that overestimates tend to waste more |
|---|
| 524 | space, while underestimates tend to waste more time. */ |
|---|
| 525 | #define GPR_CACHELINE_SIZE_LOG 6 |
|---|
| 526 | #endif /* GPR_CACHELINE_SIZE_LOG */ |
|---|
| 527 | #endif /* GPR_CACHELINE_SIZE_LOG */ |
|---|
| 528 | |
|---|
| 529 | #define GPR_CACHELINE_SIZE (1 << GPR_CACHELINE_SIZE_LOG) |
|---|
| 530 | |
|---|
| 531 | /* scrub GCC_ATOMIC if it's not available on this compiler */ |
|---|
| 532 | #if defined(GPR_GCC_ATOMIC) && !defined(__ATOMIC_RELAXED) |
|---|
| 533 | #undef GPR_GCC_ATOMIC |
|---|
| 534 | #define GPR_GCC_SYNC 1 |
|---|
| 535 | #endif |
|---|
| 536 | |
|---|
| 537 | /* Validate platform combinations */ |
|---|
| 538 | #if defined(GPR_GCC_ATOMIC) + defined(GPR_GCC_SYNC) + \ |
|---|
| 539 | defined(GPR_WINDOWS_ATOMIC) != \ |
|---|
| 540 | 1 |
|---|
| 541 | #error Must define exactly one of GPR_GCC_ATOMIC, GPR_GCC_SYNC, GPR_WINDOWS_ATOMIC |
|---|
| 542 | #endif |
|---|
| 543 | |
|---|
| 544 | #if defined(GPR_ARCH_32) + defined(GPR_ARCH_64) != 1 |
|---|
| 545 | #error Must define exactly one of GPR_ARCH_32, GPR_ARCH_64 |
|---|
| 546 | #endif |
|---|
| 547 | |
|---|
| 548 | #if defined(GPR_CPU_LINUX) + defined(GPR_CPU_POSIX) + defined(GPR_WINDOWS) + \ |
|---|
| 549 | defined(GPR_CPU_IPHONE) + defined(GPR_CPU_CUSTOM) != \ |
|---|
| 550 | 1 |
|---|
| 551 | #error Must define exactly one of GPR_CPU_LINUX, GPR_CPU_POSIX, GPR_WINDOWS, GPR_CPU_IPHONE, GPR_CPU_CUSTOM |
|---|
| 552 | #endif |
|---|
| 553 | |
|---|
| 554 | #if defined(GPR_MSVC_TLS) + defined(GPR_GCC_TLS) + defined(GPR_PTHREAD_TLS) + \ |
|---|
| 555 | defined(GPR_CUSTOM_TLS) != \ |
|---|
| 556 | 1 |
|---|
| 557 | #error Must define exactly one of GPR_MSVC_TLS, GPR_GCC_TLS, GPR_PTHREAD_TLS, GPR_CUSTOM_TLS |
|---|
| 558 | #endif |
|---|
| 559 | |
|---|
| 560 | /* maximum alignment needed for any type on this platform, rounded up to a |
|---|
| 561 | power of two */ |
|---|
| 562 | #define GPR_MAX_ALIGNMENT 16 |
|---|
| 563 | |
|---|
| 564 | #ifndef GRPC_ARES |
|---|
| 565 | #define GRPC_ARES 1 |
|---|
| 566 | #endif |
|---|
| 567 | |
|---|
| 568 | #ifndef GRPC_IF_NAMETOINDEX |
|---|
| 569 | #define GRPC_IF_NAMETOINDEX 1 |
|---|
| 570 | #endif |
|---|
| 571 | |
|---|
| 572 | #ifndef GRPC_MUST_USE_RESULT |
|---|
| 573 | #if defined(__GNUC__) && !defined(__MINGW32__) |
|---|
| 574 | #define GRPC_MUST_USE_RESULT __attribute__((warn_unused_result)) |
|---|
| 575 | #define GPR_ALIGN_STRUCT(n) __attribute__((aligned(n))) |
|---|
| 576 | #else |
|---|
| 577 | #define GRPC_MUST_USE_RESULT |
|---|
| 578 | #define GPR_ALIGN_STRUCT(n) |
|---|
| 579 | #endif |
|---|
| 580 | #endif |
|---|
| 581 | |
|---|
| 582 | #ifndef GRPC_UNUSED |
|---|
| 583 | #if defined(__GNUC__) && !defined(__MINGW32__) |
|---|
| 584 | #define GRPC_UNUSED __attribute__((unused)) |
|---|
| 585 | #else |
|---|
| 586 | #define GRPC_UNUSED |
|---|
| 587 | #endif |
|---|
| 588 | #endif |
|---|
| 589 | |
|---|
| 590 | #ifndef GPR_PRINT_FORMAT_CHECK |
|---|
| 591 | #ifdef __GNUC__ |
|---|
| 592 | #define GPR_PRINT_FORMAT_CHECK(FORMAT_STR, ARGS) \ |
|---|
| 593 | __attribute__((format(printf, FORMAT_STR, ARGS))) |
|---|
| 594 | #else |
|---|
| 595 | #define GPR_PRINT_FORMAT_CHECK(FORMAT_STR, ARGS) |
|---|
| 596 | #endif |
|---|
| 597 | #endif /* GPR_PRINT_FORMAT_CHECK */ |
|---|
| 598 | |
|---|
| 599 | #if GPR_FORBID_UNREACHABLE_CODE |
|---|
| 600 | #define GPR_UNREACHABLE_CODE(STATEMENT) |
|---|
| 601 | #else |
|---|
| 602 | #define GPR_UNREACHABLE_CODE(STATEMENT) \ |
|---|
| 603 | do { \ |
|---|
| 604 | gpr_log(GPR_ERROR, "Should never reach here."); \ |
|---|
| 605 | abort(); \ |
|---|
| 606 | STATEMENT; \ |
|---|
| 607 | } while (0) |
|---|
| 608 | #endif /* GPR_FORBID_UNREACHABLE_CODE */ |
|---|
| 609 | |
|---|
| 610 | #ifndef GPRAPI |
|---|
| 611 | #define GPRAPI |
|---|
| 612 | #endif |
|---|
| 613 | |
|---|
| 614 | #ifndef GRPCAPI |
|---|
| 615 | #define GRPCAPI GPRAPI |
|---|
| 616 | #endif |
|---|
| 617 | |
|---|
| 618 | #ifndef CENSUSAPI |
|---|
| 619 | #define CENSUSAPI GRPCAPI |
|---|
| 620 | #endif |
|---|
| 621 | |
|---|
| 622 | #ifndef GPR_HAS_ATTRIBUTE |
|---|
| 623 | #ifdef __has_attribute |
|---|
| 624 | #define GPR_HAS_ATTRIBUTE(a) __has_attribute(a) |
|---|
| 625 | #else |
|---|
| 626 | #define GPR_HAS_ATTRIBUTE(a) 0 |
|---|
| 627 | #endif |
|---|
| 628 | #endif /* GPR_HAS_ATTRIBUTE */ |
|---|
| 629 | |
|---|
| 630 | #ifndef GPR_HAS_FEATURE |
|---|
| 631 | #ifdef __has_feature |
|---|
| 632 | #define GPR_HAS_FEATURE(a) __has_feature(a) |
|---|
| 633 | #else |
|---|
| 634 | #define GPR_HAS_FEATURE(a) 0 |
|---|
| 635 | #endif |
|---|
| 636 | #endif /* GPR_HAS_FEATURE */ |
|---|
| 637 | |
|---|
| 638 | #ifndef GPR_ATTRIBUTE_NOINLINE |
|---|
| 639 | #if GPR_HAS_ATTRIBUTE(noinline) || (defined(__GNUC__) && !defined(__clang__)) |
|---|
| 640 | #define GPR_ATTRIBUTE_NOINLINE __attribute__((noinline)) |
|---|
| 641 | #define GPR_HAS_ATTRIBUTE_NOINLINE 1 |
|---|
| 642 | #else |
|---|
| 643 | #define GPR_ATTRIBUTE_NOINLINE |
|---|
| 644 | #endif |
|---|
| 645 | #endif /* GPR_ATTRIBUTE_NOINLINE */ |
|---|
| 646 | |
|---|
| 647 | #ifndef GPR_ATTRIBUTE_WEAK |
|---|
| 648 | /* Attribute weak is broken on LLVM/windows: |
|---|
| 649 | * https://bugs.llvm.org/show_bug.cgi?id=37598 */ |
|---|
| 650 | #if (GPR_HAS_ATTRIBUTE(weak) || (defined(__GNUC__) && !defined(__clang__))) && \ |
|---|
| 651 | !(defined(__llvm__) && defined(_WIN32)) |
|---|
| 652 | #define GPR_ATTRIBUTE_WEAK __attribute__((weak)) |
|---|
| 653 | #define GPR_HAS_ATTRIBUTE_WEAK 1 |
|---|
| 654 | #else |
|---|
| 655 | #define GPR_ATTRIBUTE_WEAK |
|---|
| 656 | #endif |
|---|
| 657 | #endif /* GPR_ATTRIBUTE_WEAK */ |
|---|
| 658 | |
|---|
| 659 | #ifndef GPR_ATTRIBUTE_NO_TSAN /* (1) */ |
|---|
| 660 | #if GPR_HAS_FEATURE(thread_sanitizer) |
|---|
| 661 | #define GPR_ATTRIBUTE_NO_TSAN __attribute__((no_sanitize("thread"))) |
|---|
| 662 | #endif /* GPR_HAS_FEATURE */ |
|---|
| 663 | #ifndef GPR_ATTRIBUTE_NO_TSAN /* (2) */ |
|---|
| 664 | #define GPR_ATTRIBUTE_NO_TSAN |
|---|
| 665 | #endif /* GPR_ATTRIBUTE_NO_TSAN (2) */ |
|---|
| 666 | #endif /* GPR_ATTRIBUTE_NO_TSAN (1) */ |
|---|
| 667 | |
|---|
| 668 | /* GRPC_TSAN_ENABLED will be defined, when compiled with thread sanitizer. */ |
|---|
| 669 | #ifndef GRPC_TSAN_SUPPRESSED |
|---|
| 670 | #if defined(__SANITIZE_THREAD__) |
|---|
| 671 | #define GRPC_TSAN_ENABLED |
|---|
| 672 | #elif GPR_HAS_FEATURE(thread_sanitizer) |
|---|
| 673 | #define GRPC_TSAN_ENABLED |
|---|
| 674 | #endif |
|---|
| 675 | #endif |
|---|
| 676 | |
|---|
| 677 | /* GRPC_ASAN_ENABLED will be defined, when compiled with address sanitizer. */ |
|---|
| 678 | #ifndef GRPC_ASAN_SUPPRESSED |
|---|
| 679 | #if defined(__SANITIZE_ADDRESS__) |
|---|
| 680 | #define GRPC_ASAN_ENABLED |
|---|
| 681 | #elif GPR_HAS_FEATURE(address_sanitizer) |
|---|
| 682 | #define GRPC_ASAN_ENABLED |
|---|
| 683 | #endif |
|---|
| 684 | #endif |
|---|
| 685 | |
|---|
| 686 | /* GRPC_ALLOW_EXCEPTIONS should be 0 or 1 if exceptions are allowed or not */ |
|---|
| 687 | #ifndef GRPC_ALLOW_EXCEPTIONS |
|---|
| 688 | #ifdef GPR_WINDOWS |
|---|
| 689 | #if defined(_MSC_VER) && defined(_CPPUNWIND) |
|---|
| 690 | #define GRPC_ALLOW_EXCEPTIONS 1 |
|---|
| 691 | #elif defined(__EXCEPTIONS) |
|---|
| 692 | #define GRPC_ALLOW_EXCEPTIONS 1 |
|---|
| 693 | #else |
|---|
| 694 | #define GRPC_ALLOW_EXCEPTIONS 0 |
|---|
| 695 | #endif |
|---|
| 696 | #else /* GPR_WINDOWS */ |
|---|
| 697 | #ifdef __EXCEPTIONS |
|---|
| 698 | #define GRPC_ALLOW_EXCEPTIONS 1 |
|---|
| 699 | #else /* __EXCEPTIONS */ |
|---|
| 700 | #define GRPC_ALLOW_EXCEPTIONS 0 |
|---|
| 701 | #endif /* __EXCEPTIONS */ |
|---|
| 702 | #endif /* __GPR_WINDOWS */ |
|---|
| 703 | #endif /* GRPC_ALLOW_EXCEPTIONS */ |
|---|
| 704 | |
|---|
| 705 | /* Use GPR_LIKELY only in cases where you are sure that a certain outcome is the |
|---|
| 706 | * most likely. Ideally, also collect performance numbers to justify the claim. |
|---|
| 707 | */ |
|---|
| 708 | #ifdef __GNUC__ |
|---|
| 709 | #define GPR_LIKELY(x) __builtin_expect((x), 1) |
|---|
| 710 | #define GPR_UNLIKELY(x) __builtin_expect((x), 0) |
|---|
| 711 | #else /* __GNUC__ */ |
|---|
| 712 | #define GPR_LIKELY(x) (x) |
|---|
| 713 | #define GPR_UNLIKELY(x) (x) |
|---|
| 714 | #endif /* __GNUC__ */ |
|---|
| 715 | |
|---|
| 716 | #ifndef __STDC_FORMAT_MACROS |
|---|
| 717 | #define __STDC_FORMAT_MACROS |
|---|
| 718 | #endif |
|---|
| 719 | |
|---|
| 720 | #endif /* GRPC_IMPL_CODEGEN_PORT_PLATFORM_H */ |
|---|
| 721 | |
|---|
