155 lines
6.6 KiB
C
155 lines
6.6 KiB
C
/* 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 */
|