1 //===-- tsan_interceptors_mac.cc ------------------------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file is a part of ThreadSanitizer (TSan), a race detector.
12 // Mac-specific interceptors.
13 //===----------------------------------------------------------------------===//
15 #include "sanitizer_common/sanitizer_platform.h"
18 #include "interception/interception.h"
19 #include "tsan_interceptors.h"
21 #include <libkern/OSAtomic.h>
25 TSAN_INTERCEPTOR(void, OSSpinLockLock, volatile OSSpinLock *lock) {
26 CHECK(!cur_thread()->is_dead);
27 if (!cur_thread()->is_inited) {
28 return REAL(OSSpinLockLock)(lock);
30 SCOPED_TSAN_INTERCEPTOR(OSSpinLockLock, lock);
31 REAL(OSSpinLockLock)(lock);
32 Acquire(thr, pc, (uptr)lock);
35 TSAN_INTERCEPTOR(bool, OSSpinLockTry, volatile OSSpinLock *lock) {
36 CHECK(!cur_thread()->is_dead);
37 if (!cur_thread()->is_inited) {
38 return REAL(OSSpinLockTry)(lock);
40 SCOPED_TSAN_INTERCEPTOR(OSSpinLockTry, lock);
41 bool result = REAL(OSSpinLockTry)(lock);
43 Acquire(thr, pc, (uptr)lock);
47 TSAN_INTERCEPTOR(void, OSSpinLockUnlock, volatile OSSpinLock *lock) {
48 CHECK(!cur_thread()->is_dead);
49 if (!cur_thread()->is_inited) {
50 return REAL(OSSpinLockUnlock)(lock);
52 SCOPED_TSAN_INTERCEPTOR(OSSpinLockUnlock, lock);
53 Release(thr, pc, (uptr)lock);
54 REAL(OSSpinLockUnlock)(lock);
57 TSAN_INTERCEPTOR(void, os_lock_lock, void *lock) {
58 CHECK(!cur_thread()->is_dead);
59 if (!cur_thread()->is_inited) {
60 return REAL(os_lock_lock)(lock);
62 SCOPED_TSAN_INTERCEPTOR(os_lock_lock, lock);
63 REAL(os_lock_lock)(lock);
64 Acquire(thr, pc, (uptr)lock);
67 TSAN_INTERCEPTOR(bool, os_lock_trylock, void *lock) {
68 CHECK(!cur_thread()->is_dead);
69 if (!cur_thread()->is_inited) {
70 return REAL(os_lock_trylock)(lock);
72 SCOPED_TSAN_INTERCEPTOR(os_lock_trylock, lock);
73 bool result = REAL(os_lock_trylock)(lock);
75 Acquire(thr, pc, (uptr)lock);
79 TSAN_INTERCEPTOR(void, os_lock_unlock, void *lock) {
80 CHECK(!cur_thread()->is_dead);
81 if (!cur_thread()->is_inited) {
82 return REAL(os_lock_unlock)(lock);
84 SCOPED_TSAN_INTERCEPTOR(os_lock_unlock, lock);
85 Release(thr, pc, (uptr)lock);
86 REAL(os_lock_unlock)(lock);
91 #endif // SANITIZER_MAC