common/io/ptm.c

316 	struct pt_ttys	*ptmp;
352 	if ((ptmp = pt_ttys_alloc()) == NULL) {
358 	dminor = ptmp->pt_minor;
360 	DDBGP("ptmopen(): allocated ptmp %p\n", (uintptr_t)ptmp);
363 	WR(rqp)->q_ptr = rqp->q_ptr = ptmp;
368 	PT_ENTER_WRITE(ptmp);
369 	ptmp->ptm_rdq = rqp;
370 	PT_EXIT_WRITE(ptmp);
408 	struct pt_ttys	*ptmp;
413 	ptmp = (struct pt_ttys *)rqp->q_ptr;
414 	PT_ENTER_READ(ptmp);
415 	if (ptmp->pts_rdq) {
416 		pts_rdq = ptmp->pts_rdq;
422 	PT_EXIT_READ(ptmp);
427 	PT_ENTER_WRITE(ptmp);
428 	ptmp->ptm_rdq = NULL;
429 	freemsg(ptmp->pt_nullmsg);
430 	ptmp->pt_nullmsg = NULL;
435 	if (ptmp->pts_rdq)
436 		qenable(WR(ptmp->pts_rdq));
437 	PT_EXIT_WRITE(ptmp);
445 	ptms_close(ptmp, PTMOPEN | PTLOCK);
456 	struct pt_ttys	*ptmp;
462 	ptmp = (struct pt_ttys *)qp->q_ptr;
463 	PT_ENTER_READ(ptmp);
492 			if (flush_flg != 0 && ptmp->pts_rdq &&
493 			    !(ptmp->pt_state & PTLOCK)) {
496 				putnext(ptmp->pts_rdq, mp);
506 			if ((ptmp->pt_state & PTLOCK) ||
507 			    (ptmp->pts_rdq == NULL)) {
510 				PT_EXIT_READ(ptmp);
516 			mutex_enter(&ptmp->pt_lock);
517 			ptmp->pt_state &= ~PTLOCK;
518 			mutex_exit(&ptmp->pt_lock);
543 			mutex_enter(&ptmp->pt_lock);
544 			ptmp->pt_zoneid = z;
545 			mutex_exit(&ptmp->pt_lock);
560 			zone = zone_find_by_id(ptmp->pt_zoneid);
570 			mutex_enter(&ptmp->pt_lock);
571 			ptmp->pt_ruid = ptop->pto_ruid;
572 			ptmp->pt_rgid = ptop->pto_rgid;
573 			mutex_exit(&ptmp->pt_lock);
589 		if ((ptmp->pt_state  & PTLOCK) || (ptmp->pts_rdq == NULL)) {
597 			PT_EXIT_READ(ptmp);
605 	PT_EXIT_READ(ptmp);
617 	struct pt_ttys	*ptmp;
622 	ptmp = (struct pt_ttys *)qp->q_ptr;
623 	PT_ENTER_READ(ptmp);
624 	if (ptmp->pts_rdq) {
625 		qenable(WR(ptmp->pts_rdq));
627 	PT_EXIT_READ(ptmp);
641 	struct pt_ttys	*ptmp;
647 	ptmp = (struct pt_ttys *)qp->q_ptr;
655 	PT_ENTER_READ(ptmp);
656 	if ((ptmp->pt_state  & PTLOCK) || (ptmp->pts_rdq == NULL)) {
678 		PT_EXIT_READ(ptmp);
691 		    !bcanputnext(ptmp->pts_rdq, mp->b_band)) {
700 		putnext(ptmp->pts_rdq, mp);
703 	PT_EXIT_READ(ptmp);