diff options
Diffstat (limited to 'src/third_party/gperftools-2.5/src/base/dynamic_annotations.c')
| -rw-r--r-- | src/third_party/gperftools-2.5/src/base/dynamic_annotations.c | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/src/third_party/gperftools-2.5/src/base/dynamic_annotations.c b/src/third_party/gperftools-2.5/src/base/dynamic_annotations.c deleted file mode 100644 index 87bd2ecde97..00000000000 --- a/src/third_party/gperftools-2.5/src/base/dynamic_annotations.c +++ /dev/null @@ -1,179 +0,0 @@ -/* 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. - * * 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 - */ - -#ifdef __cplusplus -# error "This file should be built as pure C to avoid name mangling" -#endif - -#include "config.h" -#include <stdlib.h> -#include <string.h> - -#include "base/dynamic_annotations.h" -#include "getenv_safe.h" // for TCMallocGetenvSafe - -#ifdef __GNUC__ -/* valgrind.h uses gcc extensions so it won't build with other compilers */ -# ifdef HAVE_VALGRIND_H /* prefer the user's copy if they have it */ -# include <valgrind.h> -# else /* otherwise just use the copy that we have */ -# include "third_party/valgrind.h" -# endif -#endif - -/* Compiler-based ThreadSanitizer defines - DYNAMIC_ANNOTATIONS_EXTERNAL_IMPL = 1 - and provides its own definitions of the functions. */ - -#ifndef DYNAMIC_ANNOTATIONS_EXTERNAL_IMPL -# define DYNAMIC_ANNOTATIONS_EXTERNAL_IMPL 0 -#endif - -/* 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 \ - && DYNAMIC_ANNOTATIONS_EXTERNAL_IMPL == 0 - -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 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){} - -#endif /* DYNAMIC_ANNOTATIONS_ENABLED == 1 - && DYNAMIC_ANNOTATIONS_EXTERNAL_IMPL == 0 */ - -#if DYNAMIC_ANNOTATIONS_EXTERNAL_IMPL == 0 - -static int GetRunningOnValgrind(void) { -#ifdef RUNNING_ON_VALGRIND - if (RUNNING_ON_VALGRIND) return 1; -#endif - const char *running_on_valgrind_str = TCMallocGetenvSafe("RUNNING_ON_VALGRIND"); - if (running_on_valgrind_str) { - return strcmp(running_on_valgrind_str, "0") != 0; - } - return 0; -} - -/* See the comments in dynamic_annotations.h */ -int RunningOnValgrind(void) { - static volatile int running_on_valgrind = -1; - int local_running_on_valgrind = running_on_valgrind; - /* C doesn't have thread-safe initialization of statics, and we - don't want to depend on pthread_once here, so hack it. */ - ANNOTATE_BENIGN_RACE(&running_on_valgrind, "safe hack"); - if (local_running_on_valgrind == -1) - running_on_valgrind = local_running_on_valgrind = GetRunningOnValgrind(); - return local_running_on_valgrind; -} - -#endif /* DYNAMIC_ANNOTATIONS_EXTERNAL_IMPL == 0 */ - -/* See the comments in dynamic_annotations.h */ -double ValgrindSlowdown(void) { - /* Same initialization hack as in RunningOnValgrind(). */ - static volatile double slowdown = 0.0; - double local_slowdown = slowdown; - ANNOTATE_BENIGN_RACE(&slowdown, "safe hack"); - if (RunningOnValgrind() == 0) { - return 1.0; - } - if (local_slowdown == 0.0) { - char *env = getenv("VALGRIND_SLOWDOWN"); - slowdown = local_slowdown = env ? atof(env) : 50.0; - } - return local_slowdown; -} |