/**
* Tries to lock the Mutex
*/
bool TryLock() {
if (!mutex.TryLock()) {
#ifndef NDEBUG
assert(!IsLockedByCurrent());
#endif
return false;
}
#ifndef NDEBUG
debug_mutex.Lock();
assert(!locked);
locked = true;
owner = ThreadHandle::GetCurrent();
debug_mutex.Unlock();
++thread_locks_held;
#endif
return true;
};
/**
* Locks the Mutex
*/
void Lock() {
#ifdef NDEBUG
mutex.Lock();
#else
if (!mutex.TryLock()) {
/* locking has failed - at this point, "locked" and "owner" are
either not yet update, or "owner" is set to another thread */
assert(!IsLockedByCurrent());
mutex.Lock();
}
/* we have just obtained the mutex; the "locked" flag must not be
set */
debug_mutex.Lock();
assert(!locked);
locked = true;
owner = ThreadHandle::GetCurrent();
debug_mutex.Unlock();
++thread_locks_held;
#endif
};