mirror of
https://github.com/klzgrad/naiveproxy.git
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270 lines
9.3 KiB
C
270 lines
9.3 KiB
C
/* Copyright (c) 2011, Google Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef _MSC_VER
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# include <windows.h>
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#endif
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#ifdef __cplusplus
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# error "This file should be built as pure C to avoid name mangling"
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#endif
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#include <stdlib.h>
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#include <string.h>
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#include "base/third_party/dynamic_annotations/dynamic_annotations.h"
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#ifdef __GNUC__
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/* valgrind.h uses gcc extensions so it won't build with other compilers */
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# include "base/third_party/valgrind/valgrind.h"
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#endif
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/* Compiler-based ThreadSanitizer defines
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DYNAMIC_ANNOTATIONS_EXTERNAL_IMPL = 1
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and provides its own definitions of the functions. */
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#ifndef DYNAMIC_ANNOTATIONS_EXTERNAL_IMPL
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# define DYNAMIC_ANNOTATIONS_EXTERNAL_IMPL 0
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#endif
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/* Each function is empty and called (via a macro) only in debug mode.
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The arguments are captured by dynamic tools at runtime. */
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#if DYNAMIC_ANNOTATIONS_ENABLED == 1 \
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&& DYNAMIC_ANNOTATIONS_EXTERNAL_IMPL == 0
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/* Identical code folding(-Wl,--icf=all) countermeasures.
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This makes all Annotate* functions different, which prevents the linker from
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folding them. */
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#ifdef __COUNTER__
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#define DYNAMIC_ANNOTATIONS_IMPL \
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volatile unsigned short lineno = (__LINE__ << 8) + __COUNTER__; (void)lineno;
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#else
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#define DYNAMIC_ANNOTATIONS_IMPL \
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volatile unsigned short lineno = (__LINE__ << 8); (void)lineno;
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#endif
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/* WARNING: always add new annotations to the end of the list.
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Otherwise, lineno (see above) numbers for different Annotate* functions may
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conflict. */
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void DYNAMIC_ANNOTATIONS_NAME(AnnotateRWLockCreate)(
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const char *file, int line, const volatile void *lock)
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{DYNAMIC_ANNOTATIONS_IMPL}
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void DYNAMIC_ANNOTATIONS_NAME(AnnotateRWLockDestroy)(
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const char *file, int line, const volatile void *lock)
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{DYNAMIC_ANNOTATIONS_IMPL}
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void DYNAMIC_ANNOTATIONS_NAME(AnnotateRWLockAcquired)(
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const char *file, int line, const volatile void *lock, long is_w)
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{DYNAMIC_ANNOTATIONS_IMPL}
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void DYNAMIC_ANNOTATIONS_NAME(AnnotateRWLockReleased)(
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const char *file, int line, const volatile void *lock, long is_w)
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{DYNAMIC_ANNOTATIONS_IMPL}
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void DYNAMIC_ANNOTATIONS_NAME(AnnotateBarrierInit)(
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const char *file, int line, const volatile void *barrier, long count,
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long reinitialization_allowed)
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{DYNAMIC_ANNOTATIONS_IMPL}
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void DYNAMIC_ANNOTATIONS_NAME(AnnotateBarrierWaitBefore)(
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const char *file, int line, const volatile void *barrier)
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{DYNAMIC_ANNOTATIONS_IMPL}
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void DYNAMIC_ANNOTATIONS_NAME(AnnotateBarrierWaitAfter)(
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const char *file, int line, const volatile void *barrier)
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{DYNAMIC_ANNOTATIONS_IMPL}
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void DYNAMIC_ANNOTATIONS_NAME(AnnotateBarrierDestroy)(
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const char *file, int line, const volatile void *barrier)
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{DYNAMIC_ANNOTATIONS_IMPL}
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void DYNAMIC_ANNOTATIONS_NAME(AnnotateCondVarWait)(
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const char *file, int line, const volatile void *cv,
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const volatile void *lock)
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{DYNAMIC_ANNOTATIONS_IMPL}
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void DYNAMIC_ANNOTATIONS_NAME(AnnotateCondVarSignal)(
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const char *file, int line, const volatile void *cv)
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{DYNAMIC_ANNOTATIONS_IMPL}
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void DYNAMIC_ANNOTATIONS_NAME(AnnotateCondVarSignalAll)(
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const char *file, int line, const volatile void *cv)
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{DYNAMIC_ANNOTATIONS_IMPL}
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void DYNAMIC_ANNOTATIONS_NAME(AnnotateHappensBefore)(
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const char *file, int line, const volatile void *obj)
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{DYNAMIC_ANNOTATIONS_IMPL};
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void DYNAMIC_ANNOTATIONS_NAME(AnnotateHappensAfter)(
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const char *file, int line, const volatile void *obj)
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{DYNAMIC_ANNOTATIONS_IMPL};
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void DYNAMIC_ANNOTATIONS_NAME(AnnotatePublishMemoryRange)(
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const char *file, int line, const volatile void *address, long size)
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{DYNAMIC_ANNOTATIONS_IMPL}
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void DYNAMIC_ANNOTATIONS_NAME(AnnotateUnpublishMemoryRange)(
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const char *file, int line, const volatile void *address, long size)
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{DYNAMIC_ANNOTATIONS_IMPL}
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void DYNAMIC_ANNOTATIONS_NAME(AnnotatePCQCreate)(
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const char *file, int line, const volatile void *pcq)
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{DYNAMIC_ANNOTATIONS_IMPL}
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void DYNAMIC_ANNOTATIONS_NAME(AnnotatePCQDestroy)(
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const char *file, int line, const volatile void *pcq)
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{DYNAMIC_ANNOTATIONS_IMPL}
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void DYNAMIC_ANNOTATIONS_NAME(AnnotatePCQPut)(
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const char *file, int line, const volatile void *pcq)
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{DYNAMIC_ANNOTATIONS_IMPL}
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void DYNAMIC_ANNOTATIONS_NAME(AnnotatePCQGet)(
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const char *file, int line, const volatile void *pcq)
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{DYNAMIC_ANNOTATIONS_IMPL}
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void DYNAMIC_ANNOTATIONS_NAME(AnnotateNewMemory)(
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const char *file, int line, const volatile void *mem, long size)
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{DYNAMIC_ANNOTATIONS_IMPL}
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void DYNAMIC_ANNOTATIONS_NAME(AnnotateExpectRace)(
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const char *file, int line, const volatile void *mem,
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const char *description)
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{DYNAMIC_ANNOTATIONS_IMPL}
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void DYNAMIC_ANNOTATIONS_NAME(AnnotateFlushExpectedRaces)(
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const char *file, int line)
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{DYNAMIC_ANNOTATIONS_IMPL}
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void DYNAMIC_ANNOTATIONS_NAME(AnnotateBenignRace)(
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const char *file, int line, const volatile void *mem,
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const char *description)
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{DYNAMIC_ANNOTATIONS_IMPL}
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void DYNAMIC_ANNOTATIONS_NAME(AnnotateBenignRaceSized)(
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const char *file, int line, const volatile void *mem, long size,
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const char *description)
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{DYNAMIC_ANNOTATIONS_IMPL}
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void DYNAMIC_ANNOTATIONS_NAME(AnnotateMutexIsUsedAsCondVar)(
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const char *file, int line, const volatile void *mu)
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{DYNAMIC_ANNOTATIONS_IMPL}
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void DYNAMIC_ANNOTATIONS_NAME(AnnotateMutexIsNotPHB)(
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const char *file, int line, const volatile void *mu)
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{DYNAMIC_ANNOTATIONS_IMPL}
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void DYNAMIC_ANNOTATIONS_NAME(AnnotateTraceMemory)(
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const char *file, int line, const volatile void *arg)
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{DYNAMIC_ANNOTATIONS_IMPL}
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void DYNAMIC_ANNOTATIONS_NAME(AnnotateThreadName)(
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const char *file, int line, const char *name)
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{DYNAMIC_ANNOTATIONS_IMPL}
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void DYNAMIC_ANNOTATIONS_NAME(AnnotateIgnoreReadsBegin)(
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const char *file, int line)
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{DYNAMIC_ANNOTATIONS_IMPL}
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void DYNAMIC_ANNOTATIONS_NAME(AnnotateIgnoreReadsEnd)(
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const char *file, int line)
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{DYNAMIC_ANNOTATIONS_IMPL}
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void DYNAMIC_ANNOTATIONS_NAME(AnnotateIgnoreWritesBegin)(
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const char *file, int line)
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{DYNAMIC_ANNOTATIONS_IMPL}
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void DYNAMIC_ANNOTATIONS_NAME(AnnotateIgnoreWritesEnd)(
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const char *file, int line)
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{DYNAMIC_ANNOTATIONS_IMPL}
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void DYNAMIC_ANNOTATIONS_NAME(AnnotateIgnoreSyncBegin)(
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const char *file, int line)
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{DYNAMIC_ANNOTATIONS_IMPL}
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void DYNAMIC_ANNOTATIONS_NAME(AnnotateIgnoreSyncEnd)(
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const char *file, int line)
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{DYNAMIC_ANNOTATIONS_IMPL}
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void DYNAMIC_ANNOTATIONS_NAME(AnnotateEnableRaceDetection)(
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const char *file, int line, int enable)
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{DYNAMIC_ANNOTATIONS_IMPL}
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void DYNAMIC_ANNOTATIONS_NAME(AnnotateNoOp)(
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const char *file, int line, const volatile void *arg)
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{DYNAMIC_ANNOTATIONS_IMPL}
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void DYNAMIC_ANNOTATIONS_NAME(AnnotateFlushState)(
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const char *file, int line)
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{DYNAMIC_ANNOTATIONS_IMPL}
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#endif /* DYNAMIC_ANNOTATIONS_ENABLED == 1
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&& DYNAMIC_ANNOTATIONS_EXTERNAL_IMPL == 0 */
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#if DYNAMIC_ANNOTATIONS_PROVIDE_RUNNING_ON_VALGRIND == 1 \
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&& DYNAMIC_ANNOTATIONS_EXTERNAL_IMPL == 0
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static int GetRunningOnValgrind(void) {
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#ifdef RUNNING_ON_VALGRIND
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if (RUNNING_ON_VALGRIND) return 1;
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#endif
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#ifndef _MSC_VER
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char *running_on_valgrind_str = getenv("RUNNING_ON_VALGRIND");
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if (running_on_valgrind_str) {
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return strcmp(running_on_valgrind_str, "0") != 0;
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}
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#else
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/* Visual Studio issues warnings if we use getenv,
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* so we use GetEnvironmentVariableA instead.
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*/
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char value[100] = "1";
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int res = GetEnvironmentVariableA("RUNNING_ON_VALGRIND",
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value, sizeof(value));
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/* value will remain "1" if res == 0 or res >= sizeof(value). The latter
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* can happen only if the given value is long, in this case it can't be "0".
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*/
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if (res > 0 && strcmp(value, "0") != 0)
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return 1;
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#endif
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return 0;
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}
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/* See the comments in dynamic_annotations.h */
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int RunningOnValgrind(void) {
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static volatile int running_on_valgrind = -1;
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/* C doesn't have thread-safe initialization of statics, and we
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don't want to depend on pthread_once here, so hack it. */
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int local_running_on_valgrind = running_on_valgrind;
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if (local_running_on_valgrind == -1)
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running_on_valgrind = local_running_on_valgrind = GetRunningOnValgrind();
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return local_running_on_valgrind;
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}
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#endif /* DYNAMIC_ANNOTATIONS_PROVIDE_RUNNING_ON_VALGRIND == 1
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&& DYNAMIC_ANNOTATIONS_EXTERNAL_IMPL == 0 */
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