cpython/Python/dynamic_annotations.c at 3.6 · python/cpython · GitHub

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* 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 */

cpython/Python/dynamic_annotations.c at 3.6 · python/cpython · GitHub

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