forked from OSchip/llvm-project
92 lines
2.5 KiB
C++
92 lines
2.5 KiB
C++
//===-- tsan_interceptors_mac.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 ThreadSanitizer (TSan), a race detector.
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//
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// Mac-specific interceptors.
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//===----------------------------------------------------------------------===//
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#include "sanitizer_common/sanitizer_platform.h"
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#if SANITIZER_MAC
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#include "interception/interception.h"
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#include "tsan_interceptors.h"
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#include <libkern/OSAtomic.h>
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namespace __tsan {
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TSAN_INTERCEPTOR(void, OSSpinLockLock, volatile OSSpinLock *lock) {
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CHECK(!cur_thread()->is_dead);
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if (!cur_thread()->is_inited) {
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return REAL(OSSpinLockLock)(lock);
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}
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SCOPED_TSAN_INTERCEPTOR(OSSpinLockLock, lock);
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REAL(OSSpinLockLock)(lock);
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Acquire(thr, pc, (uptr)lock);
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}
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TSAN_INTERCEPTOR(bool, OSSpinLockTry, volatile OSSpinLock *lock) {
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CHECK(!cur_thread()->is_dead);
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if (!cur_thread()->is_inited) {
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return REAL(OSSpinLockTry)(lock);
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}
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SCOPED_TSAN_INTERCEPTOR(OSSpinLockTry, lock);
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bool result = REAL(OSSpinLockTry)(lock);
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if (result)
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Acquire(thr, pc, (uptr)lock);
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return result;
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}
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TSAN_INTERCEPTOR(void, OSSpinLockUnlock, volatile OSSpinLock *lock) {
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CHECK(!cur_thread()->is_dead);
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if (!cur_thread()->is_inited) {
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return REAL(OSSpinLockUnlock)(lock);
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}
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SCOPED_TSAN_INTERCEPTOR(OSSpinLockUnlock, lock);
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Release(thr, pc, (uptr)lock);
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REAL(OSSpinLockUnlock)(lock);
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}
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TSAN_INTERCEPTOR(void, os_lock_lock, void *lock) {
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CHECK(!cur_thread()->is_dead);
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if (!cur_thread()->is_inited) {
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return REAL(os_lock_lock)(lock);
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}
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SCOPED_TSAN_INTERCEPTOR(os_lock_lock, lock);
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REAL(os_lock_lock)(lock);
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Acquire(thr, pc, (uptr)lock);
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}
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TSAN_INTERCEPTOR(bool, os_lock_trylock, void *lock) {
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CHECK(!cur_thread()->is_dead);
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if (!cur_thread()->is_inited) {
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return REAL(os_lock_trylock)(lock);
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}
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SCOPED_TSAN_INTERCEPTOR(os_lock_trylock, lock);
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bool result = REAL(os_lock_trylock)(lock);
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if (result)
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Acquire(thr, pc, (uptr)lock);
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return result;
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}
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TSAN_INTERCEPTOR(void, os_lock_unlock, void *lock) {
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CHECK(!cur_thread()->is_dead);
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if (!cur_thread()->is_inited) {
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return REAL(os_lock_unlock)(lock);
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}
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SCOPED_TSAN_INTERCEPTOR(os_lock_unlock, lock);
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Release(thr, pc, (uptr)lock);
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REAL(os_lock_unlock)(lock);
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}
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} // namespace __tsan
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#endif // SANITIZER_MAC
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