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/* Copyright (c) 2008-2009, 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.
* * 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.
*
* ---
* Author: Kostya Serebryany
*/
#ifdef _MSC_VER
# include <windows.h>
#endif
#ifdef __cplusplus
# error "This file should be built as pure C to avoid name mangling"
#endif
#include <stdlib.h>
#include <string.h>
#include "dynamic_annotations.h"
/* Each function is empty and called (via a macro) only in debug mode.
The arguments are captured by dynamic tools at runtime. */
#if DYNAMIC_ANNOTATIONS_ENABLED == 1
void AnnotateRWLockCreate(const char *file, int line,
const volatile void *lock){}
void AnnotateRWLockDestroy(const char *file, int line,
const volatile void *lock){}
void AnnotateRWLockAcquired(const char *file, int line,
const volatile void *lock, long is_w){}
void AnnotateRWLockReleased(const char *file, int line,
const volatile void *lock, long is_w){}
void AnnotateBarrierInit(const char *file, int line,
const volatile void *barrier, long count,
long reinitialization_allowed) {}
void AnnotateBarrierWaitBefore(const char *file, int line,
const volatile void *barrier) {}
void AnnotateBarrierWaitAfter(const char *file, int line,
const volatile void *barrier) {}
void AnnotateBarrierDestroy(const char *file, int line,
const volatile void *barrier) {}
void AnnotateCondVarWait(const char *file, int line,
const volatile void *cv,
const volatile void *lock){}
void AnnotateCondVarSignal(const char *file, int line,
const volatile void *cv){}
void AnnotateCondVarSignalAll(const char *file, int line,
const volatile void *cv){}
void AnnotatePublishMemoryRange(const char *file, int line,
const volatile void *address,
long size){}
void AnnotateUnpublishMemoryRange(const char *file, int line,
const volatile void *address,
long size){}
void AnnotatePCQCreate(const char *file, int line,
const volatile void *pcq){}
void AnnotatePCQDestroy(const char *file, int line,
const volatile void *pcq){}
void AnnotatePCQPut(const char *file, int line,
const volatile void *pcq){}
void AnnotatePCQGet(const char *file, int line,
const volatile void *pcq){}
void AnnotateNewMemory(const char *file, int line,
const volatile void *mem,
long size){}
void AnnotateExpectRace(const char *file, int line,
const volatile void *mem,
const char *description){}
void AnnotateBenignRace(const char *file, int line,
const volatile void *mem,
const char *description){}
void AnnotateBenignRaceSized(const char *file, int line,
const volatile void *mem,
long size,
const char *description) {}
void AnnotateMutexIsUsedAsCondVar(const char *file, int line,
const volatile void *mu){}
void AnnotateTraceMemory(const char *file, int line,
const volatile void *arg){}
void AnnotateThreadName(const char *file, int line,
const char *name){}
void AnnotateIgnoreReadsBegin(const char *file, int line){}
void AnnotateIgnoreReadsEnd(const char *file, int line){}
void AnnotateIgnoreWritesBegin(const char *file, int line){}
void AnnotateIgnoreWritesEnd(const char *file, int line){}
void AnnotateIgnoreSyncBegin(const char *file, int line){}
void AnnotateIgnoreSyncEnd(const char *file, int line){}
void AnnotateEnableRaceDetection(const char *file, int line, int enable){}
void AnnotateNoOp(const char *file, int line,
const volatile void *arg){}
void AnnotateFlushState(const char *file, int line){}
static int GetRunningOnValgrind(void) {
#ifdef RUNNING_ON_VALGRIND
if (RUNNING_ON_VALGRIND) return 1;
#endif
#ifndef _MSC_VER
char *running_on_valgrind_str = getenv("RUNNING_ON_VALGRIND");
if (running_on_valgrind_str) {
return strcmp(running_on_valgrind_str, "0") != 0;
}
#else
/* Visual Studio issues warnings if we use getenv,
* so we use GetEnvironmentVariableA instead.
*/
char value[100] = "1";
int res = GetEnvironmentVariableA("RUNNING_ON_VALGRIND",
value, sizeof(value));
/* value will remain "1" if res == 0 or res >= sizeof(value). The latter
* can happen only if the given value is long, in this case it can't be "0".
*/
if (res > 0 && !strcmp(value, "0"))
return 1;
#endif
return 0;
}
/* See the comments in dynamic_annotations.h */
int RunningOnValgrind(void) {
static volatile int running_on_valgrind = -1;
/* C doesn't have thread-safe initialization of statics, and we
don't want to depend on pthread_once here, so hack it. */
int local_running_on_valgrind = running_on_valgrind;
if (local_running_on_valgrind == -1)
running_on_valgrind = local_running_on_valgrind = GetRunningOnValgrind();
return local_running_on_valgrind;
}
#endif /* DYNAMIC_ANNOTATIONS_ENABLED == 1 */