thread->md.missedAsyncNotify = PR_TRUE;
PR_IMPLEMENT(void) PR_Mac_PostAsyncNotify(PRThread *thread){	_PRCPU *  cpu = _PR_MD_CURRENT_CPU();		if (_PR_MD_GET_INTSOFF()) {		cpu->u.missed[cpu->where] |= _PR_MISSED_IO;		thread->md.missedAsyncNotify = PR_TRUE;	} else {		AsyncNotify(thread);	}}