/*
** Test and then enter the lock associated with the monitor if it's not
** already entered by some other thread. Return PR_FALSE if some other
** thread owned the lock at the time of the call.
*/
PR_IMPLEMENT(PRBool) PR_TestAndEnterMonitor(PRMonitor *mon)
{
if (mon->cvar->lock->owner == _PR_MD_CURRENT_THREAD()) {
mon->entryCount++;
return PR_TRUE;
} else {
if (PR_TestAndLock(mon->cvar->lock)) {
mon->entryCount = 1;
return PR_TRUE;
}
}
return PR_FALSE;
}
PR_IMPLEMENT(PRStatus) PRP_TryLock(PRLock *lock)
{ return (PR_TestAndLock(lock)) ? PR_SUCCESS : PR_FAILURE; }
