forked from OSchip/llvm-project
73 lines
1.9 KiB
C++
73 lines
1.9 KiB
C++
//===-- asan_posix.cc -----------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file is a part of AddressSanitizer, an address sanity checker.
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//
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// Posix-specific details.
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//===----------------------------------------------------------------------===//
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#include "sanitizer_common/sanitizer_platform.h"
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#if SANITIZER_POSIX
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#include "asan_internal.h"
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#include "asan_interceptors.h"
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#include "asan_mapping.h"
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#include "asan_report.h"
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#include "asan_stack.h"
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#include "sanitizer_common/sanitizer_libc.h"
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#include "sanitizer_common/sanitizer_posix.h"
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#include "sanitizer_common/sanitizer_procmaps.h"
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#include <pthread.h>
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#include <stdlib.h>
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#include <sys/time.h>
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#include <sys/resource.h>
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#include <unistd.h>
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namespace __asan {
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void AsanOnDeadlySignal(int signo, void *siginfo, void *context) {
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StartReportDeadlySignal();
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SignalContext sig(siginfo, context);
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ReportDeadlySignal(sig);
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}
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// ---------------------- TSD ---------------- {{{1
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static pthread_key_t tsd_key;
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static bool tsd_key_inited = false;
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void AsanTSDInit(void (*destructor)(void *tsd)) {
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CHECK(!tsd_key_inited);
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tsd_key_inited = true;
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CHECK_EQ(0, pthread_key_create(&tsd_key, destructor));
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}
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void *AsanTSDGet() {
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CHECK(tsd_key_inited);
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return pthread_getspecific(tsd_key);
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}
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void AsanTSDSet(void *tsd) {
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CHECK(tsd_key_inited);
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pthread_setspecific(tsd_key, tsd);
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}
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void PlatformTSDDtor(void *tsd) {
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AsanThreadContext *context = (AsanThreadContext*)tsd;
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if (context->destructor_iterations > 1) {
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context->destructor_iterations--;
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CHECK_EQ(0, pthread_setspecific(tsd_key, tsd));
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return;
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}
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AsanThread::TSDDtor(tsd);
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}
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} // namespace __asan
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#endif // SANITIZER_POSIX
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