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tsan: add interceptors for pthread_spinlock_t and ptread_rwlock_t for deadlock detector 

llvm-svn: 202947
This commit is contained in:
Dmitry Vyukov 2014-03-05 08:10:27 +00:00
parent 8548299aa8
commit 19126f9075
1 changed files with 102 additions and 7 deletions
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109
compiler-rt/lib/tsan/dd/dd_interceptors.cc
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@ -28,17 +28,14 @@ static void InitThread() {
INTERCEPTOR(int, pthread_mutex_destroy, pthread_mutex_t *m) {
InitThread();
int res = REAL(pthread_mutex_destroy)(m);
MutexDestroy(thr, (uptr)m);
return res;
return REAL(pthread_mutex_destroy)(m);
}
INTERCEPTOR(int, pthread_mutex_lock, pthread_mutex_t *m) {
InitThread();
int res = REAL(pthread_mutex_lock)(m);
if (res == 0)
MutexLock(thr, (uptr)m, true, false);
return res;
MutexLock(thr, (uptr)m, true, false);
return REAL(pthread_mutex_lock)(m);
}
INTERCEPTOR(int, pthread_mutex_trylock, pthread_mutex_t *m) {
@ -52,10 +49,94 @@ INTERCEPTOR(int, pthread_mutex_trylock, pthread_mutex_t *m) {
INTERCEPTOR(int, pthread_mutex_unlock, pthread_mutex_t *m) {
InitThread();
MutexUnlock(thr, (uptr)m, true);
int res = REAL(pthread_mutex_unlock)(m);
return REAL(pthread_mutex_unlock)(m);
}
INTERCEPTOR(int, pthread_spin_destroy, pthread_spinlock_t *m) {
InitThread();
int res = REAL(pthread_spin_destroy)(m);
MutexDestroy(thr, (uptr)m);
return res;
}
INTERCEPTOR(int, pthread_spin_lock, pthread_spinlock_t *m) {
InitThread();
MutexLock(thr, (uptr)m, true, false);
return REAL(pthread_spin_lock)(m);
}
INTERCEPTOR(int, pthread_spin_trylock, pthread_spinlock_t *m) {
InitThread();
int res = REAL(pthread_spin_trylock)(m);
if (res == 0)
MutexLock(thr, (uptr)m, true, true);
return res;
}
INTERCEPTOR(int, pthread_spin_unlock, pthread_spinlock_t *m) {
InitThread();
MutexUnlock(thr, (uptr)m, true);
return REAL(pthread_spin_unlock)(m);
}
INTERCEPTOR(int, pthread_rwlock_destroy, pthread_rwlock_t *m) {
InitThread();
MutexDestroy(thr, (uptr)m);
return REAL(pthread_rwlock_destroy)(m);
}
INTERCEPTOR(int, pthread_rwlock_rdlock, pthread_rwlock_t *m) {
InitThread();
MutexLock(thr, (uptr)m, false, false);
return REAL(pthread_rwlock_rdlock)(m);
}
INTERCEPTOR(int, pthread_rwlock_tryrdlock, pthread_rwlock_t *m) {
InitThread();
int res = REAL(pthread_rwlock_tryrdlock)(m);
if (res == 0)
MutexLock(thr, (uptr)m, false, true);
return res;
}
INTERCEPTOR(int, pthread_rwlock_timedrdlock, pthread_rwlock_t *m,
const timespec *abstime) {
InitThread();
int res = REAL(pthread_rwlock_timedrdlock)(m, abstime);
if (res == 0)
MutexLock(thr, (uptr)m, false, true);
return res;
}
INTERCEPTOR(int, pthread_rwlock_wrlock, pthread_rwlock_t *m) {
InitThread();
MutexLock(thr, (uptr)m, true, false);
return REAL(pthread_rwlock_wrlock)(m);
}
INTERCEPTOR(int, pthread_rwlock_trywrlock, pthread_rwlock_t *m) {
InitThread();
int res = REAL(pthread_rwlock_trywrlock)(m);
if (res == 0)
MutexLock(thr, (uptr)m, true, true);
return res;
}
INTERCEPTOR(int, pthread_rwlock_timedwrlock, pthread_rwlock_t *m,
const timespec *abstime) {
InitThread();
int res = REAL(pthread_rwlock_timedwrlock)(m, abstime);
if (res == 0)
MutexLock(thr, (uptr)m, true, true);
return res;
}
INTERCEPTOR(int, pthread_rwlock_unlock, pthread_rwlock_t *m) {
InitThread();
MutexUnlock(thr, (uptr)m, true); // note: not necessary write unlock
return REAL(pthread_rwlock_unlock)(m);
}
namespace __dsan {
void InitializeInterceptors() {
@ -63,6 +144,20 @@ void InitializeInterceptors() {
INTERCEPT_FUNCTION(pthread_mutex_lock);
INTERCEPT_FUNCTION(pthread_mutex_trylock);
INTERCEPT_FUNCTION(pthread_mutex_unlock);
INTERCEPT_FUNCTION(pthread_spin_destroy);
INTERCEPT_FUNCTION(pthread_spin_lock);
INTERCEPT_FUNCTION(pthread_spin_trylock);
INTERCEPT_FUNCTION(pthread_spin_unlock);
INTERCEPT_FUNCTION(pthread_rwlock_destroy);
INTERCEPT_FUNCTION(pthread_rwlock_rdlock);
INTERCEPT_FUNCTION(pthread_rwlock_tryrdlock);
INTERCEPT_FUNCTION(pthread_rwlock_timedrdlock);
INTERCEPT_FUNCTION(pthread_rwlock_wrlock);
INTERCEPT_FUNCTION(pthread_rwlock_trywrlock);
INTERCEPT_FUNCTION(pthread_rwlock_timedwrlock);
INTERCEPT_FUNCTION(pthread_rwlock_unlock);
}
} // namespace __dsan