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/* Copyright (c) 2008, 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.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * 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
*/
#include <config.h>
#include <stdlib.h>
#include <string.h>
#include "base/dynamic_annotations.h"
#include "base/sysinfo.h"
// Each function is empty and called (via a macro) only in debug mode.
// The arguments are captured by dynamic tools at runtime.
extern "C" void AnnotateRWLockCreate(const char *file, int line,
const volatile void *lock){}
extern "C" void AnnotateRWLockDestroy(const char *file, int line,
const volatile void *lock){}
extern "C" void AnnotateRWLockAcquired(const char *file, int line,
const volatile void *lock, long is_w){}
extern "C" void AnnotateRWLockReleased(const char *file, int line,
const volatile void *lock, long is_w){}
extern "C" void AnnotateCondVarWait(const char *file, int line,
const volatile void *cv,
const volatile void *lock){}
extern "C" void AnnotateCondVarSignal(const char *file, int line,
const volatile void *cv){}
extern "C" void AnnotateCondVarSignalAll(const char *file, int line,
const volatile void *cv){}
extern "C" void AnnotatePublishMemoryRange(const char *file, int line,
const volatile void *address,
long size){}
extern "C" void AnnotateUnpublishMemoryRange(const char *file, int line,
const volatile void *address,
long size){}
extern "C" void AnnotatePCQCreate(const char *file, int line,
const volatile void *pcq){}
extern "C" void AnnotatePCQDestroy(const char *file, int line,
const volatile void *pcq){}
extern "C" void AnnotatePCQPut(const char *file, int line,
const volatile void *pcq){}
extern "C" void AnnotatePCQGet(const char *file, int line,
const volatile void *pcq){}
extern "C" void AnnotateNewMemory(const char *file, int line,
const volatile void *mem,
long size){}
extern "C" void AnnotateExpectRace(const char *file, int line,
const volatile void *mem,
const char *description){}
extern "C" void AnnotateBenignRace(const char *file, int line,
const volatile void *mem,
const char *description){}
extern "C" void AnnotateMutexIsUsedAsCondVar(const char *file, int line,
const volatile void *mu){}
extern "C" void AnnotateTraceMemory(const char *file, int line,
const volatile void *arg){}
extern "C" void AnnotateThreadName(const char *file, int line,
const char *name){}
extern "C" void AnnotateIgnoreReadsBegin(const char *file, int line){}
extern "C" void AnnotateIgnoreReadsEnd(const char *file, int line){}
extern "C" void AnnotateIgnoreWritesBegin(const char *file, int line){}
extern "C" void AnnotateIgnoreWritesEnd(const char *file, int line){}
extern "C" void AnnotateNoOp(const char *file, int line,
const volatile void *arg){}
static int GetRunningOnValgrind() {
const char *running_on_valgrind_str = GetenvBeforeMain("RUNNING_ON_VALGRIND");
if (running_on_valgrind_str) {
return strcmp(running_on_valgrind_str, "0") != 0;
}
return 0;
}
// When running under valgrind, this function will be intercepted
// and a non-zero value will be returned.
// Some valgrind-based tools (e.g. callgrind) do not intercept functions,
// so we also read environment variable.
extern "C" int RunningOnValgrind() {
static int running_on_valgrind = GetRunningOnValgrind();
return running_on_valgrind;
}
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