1 /* Copyright (c) 2008-2009, Google Inc. 2 * All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Neither the name of Google Inc. nor the names of its 11 * contributors may be used to endorse or promote products derived from 12 * this software without specific prior written permission. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 15 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 16 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 17 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 18 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 19 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 20 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 * --- 27 * Author: Kostya Serebryany 28 */ 29 30 #ifdef _MSC_VER 31 # include <windows.h> 32 #endif 33 34 #ifdef __cplusplus 35 # error "This file should be built as pure C to avoid name mangling" 36 #endif 37 38 #include <stdlib.h> 39 #include <string.h> 40 41 #include "base/third_party/dynamic_annotations/dynamic_annotations.h" 42 43 #ifdef __GNUC__ 44 /* valgrind.h uses gcc extensions so it won't build with other compilers */ 45 # include "base/third_party/valgrind/valgrind.h" 46 #endif 47 48 /* Each function is empty and called (via a macro) only in debug mode. 49 The arguments are captured by dynamic tools at runtime. */ 50 51 #if DYNAMIC_ANNOTATIONS_ENABLED == 1 52 53 void DYNAMIC_ANNOTATIONS_NAME(AnnotateRWLockCreate)( 54 const char *file, int line, const volatile void *lock){} 55 void DYNAMIC_ANNOTATIONS_NAME(AnnotateRWLockDestroy)( 56 const char *file, int line, const volatile void *lock){} 57 void DYNAMIC_ANNOTATIONS_NAME(AnnotateRWLockAcquired)( 58 const char *file, int line, const volatile void *lock, long is_w){} 59 void DYNAMIC_ANNOTATIONS_NAME(AnnotateRWLockReleased)( 60 const char *file, int line, const volatile void *lock, long is_w){} 61 void DYNAMIC_ANNOTATIONS_NAME(AnnotateBarrierInit)( 62 const char *file, int line, const volatile void *barrier, long count, 63 long reinitialization_allowed) {} 64 void DYNAMIC_ANNOTATIONS_NAME(AnnotateBarrierWaitBefore)( 65 const char *file, int line, const volatile void *barrier) {} 66 void DYNAMIC_ANNOTATIONS_NAME(AnnotateBarrierWaitAfter)( 67 const char *file, int line, const volatile void *barrier) {} 68 void DYNAMIC_ANNOTATIONS_NAME(AnnotateBarrierDestroy)( 69 const char *file, int line, const volatile void *barrier) {} 70 71 void DYNAMIC_ANNOTATIONS_NAME(AnnotateCondVarWait)( 72 const char *file, int line, const volatile void *cv, 73 const volatile void *lock){} 74 void DYNAMIC_ANNOTATIONS_NAME(AnnotateCondVarSignal)( 75 const char *file, int line, const volatile void *cv){} 76 void DYNAMIC_ANNOTATIONS_NAME(AnnotateCondVarSignalAll)( 77 const char *file, int line, const volatile void *cv){} 78 void DYNAMIC_ANNOTATIONS_NAME(AnnotatePublishMemoryRange)( 79 const char *file, int line, const volatile void *address, long size){} 80 void DYNAMIC_ANNOTATIONS_NAME(AnnotateUnpublishMemoryRange)( 81 const char *file, int line, const volatile void *address, long size){} 82 void DYNAMIC_ANNOTATIONS_NAME(AnnotatePCQCreate)( 83 const char *file, int line, const volatile void *pcq){} 84 void DYNAMIC_ANNOTATIONS_NAME(AnnotatePCQDestroy)( 85 const char *file, int line, const volatile void *pcq){} 86 void DYNAMIC_ANNOTATIONS_NAME(AnnotatePCQPut)( 87 const char *file, int line, const volatile void *pcq){} 88 void DYNAMIC_ANNOTATIONS_NAME(AnnotatePCQGet)( 89 const char *file, int line, const volatile void *pcq){} 90 void DYNAMIC_ANNOTATIONS_NAME(AnnotateNewMemory)( 91 const char *file, int line, const volatile void *mem, long size){} 92 void DYNAMIC_ANNOTATIONS_NAME(AnnotateExpectRace)( 93 const char *file, int line, const volatile void *mem, 94 const char *description){} 95 void DYNAMIC_ANNOTATIONS_NAME(AnnotateFlushExpectedRaces)( 96 const char *file, int line){} 97 void DYNAMIC_ANNOTATIONS_NAME(AnnotateBenignRace)( 98 const char *file, int line, const volatile void *mem, 99 const char *description){} 100 void DYNAMIC_ANNOTATIONS_NAME(AnnotateBenignRaceSized)( 101 const char *file, int line, const volatile void *mem, long size, 102 const char *description){} 103 void DYNAMIC_ANNOTATIONS_NAME(AnnotateMutexIsUsedAsCondVar)( 104 const char *file, int line, const volatile void *mu){} 105 void DYNAMIC_ANNOTATIONS_NAME(AnnotateMutexIsNotPHB)( 106 const char *file, int line, const volatile void *mu){} 107 void DYNAMIC_ANNOTATIONS_NAME(AnnotateTraceMemory)( 108 const char *file, int line, const volatile void *arg){} 109 void DYNAMIC_ANNOTATIONS_NAME(AnnotateThreadName)( 110 const char *file, int line, const char *name){} 111 void DYNAMIC_ANNOTATIONS_NAME(AnnotateIgnoreReadsBegin)( 112 const char *file, int line){} 113 void DYNAMIC_ANNOTATIONS_NAME(AnnotateIgnoreReadsEnd)( 114 const char *file, int line){} 115 void DYNAMIC_ANNOTATIONS_NAME(AnnotateIgnoreWritesBegin)( 116 const char *file, int line){} 117 void DYNAMIC_ANNOTATIONS_NAME(AnnotateIgnoreWritesEnd)( 118 const char *file, int line){} 119 void DYNAMIC_ANNOTATIONS_NAME(AnnotateIgnoreSyncBegin)( 120 const char *file, int line){} 121 void DYNAMIC_ANNOTATIONS_NAME(AnnotateIgnoreSyncEnd)( 122 const char *file, int line){} 123 void DYNAMIC_ANNOTATIONS_NAME(AnnotateEnableRaceDetection)( 124 const char *file, int line, int enable){} 125 void DYNAMIC_ANNOTATIONS_NAME(AnnotateNoOp)( 126 const char *file, int line, const volatile void *arg){} 127 void DYNAMIC_ANNOTATIONS_NAME(AnnotateFlushState)( 128 const char *file, int line){} 129 130 #endif /* DYNAMIC_ANNOTATIONS_ENABLED == 1 */ 131 132 #if DYNAMIC_ANNOTATIONS_PROVIDE_RUNNING_ON_VALGRIND == 1 133 static int GetRunningOnValgrind(void) { 134 #ifdef RUNNING_ON_VALGRIND 135 if (RUNNING_ON_VALGRIND) return 1; 136 #endif 137 138 #ifndef _MSC_VER 139 char *running_on_valgrind_str = getenv("RUNNING_ON_VALGRIND"); 140 if (running_on_valgrind_str) { 141 return strcmp(running_on_valgrind_str, "0") != 0; 142 } 143 #else 144 /* Visual Studio issues warnings if we use getenv, 145 * so we use GetEnvironmentVariableA instead. 146 */ 147 char value[100] = "1"; 148 int res = GetEnvironmentVariableA("RUNNING_ON_VALGRIND", 149 value, sizeof(value)); 150 /* value will remain "1" if res == 0 or res >= sizeof(value). The latter 151 * can happen only if the given value is long, in this case it can't be "0". 152 */ 153 if (res > 0 && strcmp(value, "0") != 0) 154 return 1; 155 #endif 156 return 0; 157 } 158 159 /* See the comments in dynamic_annotations.h */ 160 int RunningOnValgrind(void) { 161 static volatile int running_on_valgrind = -1; 162 /* C doesn't have thread-safe initialization of statics, and we 163 don't want to depend on pthread_once here, so hack it. */ 164 int local_running_on_valgrind = running_on_valgrind; 165 if (local_running_on_valgrind == -1) 166 running_on_valgrind = local_running_on_valgrind = GetRunningOnValgrind(); 167 return local_running_on_valgrind; 168 } 169 170 #endif /* DYNAMIC_ANNOTATIONS_PROVIDE_RUNNING_ON_VALGRIND == 1 */ 171
