Cross Reference: /illumos-gate/usr/src/uts/common/io/devpoll.c

Lines Matching defs:pcp
249     pollcache_t *pcp, nfds_t nfds, int *fdcntp)
265 	ASSERT(MUTEX_HELD(&pcp->pc_lock));
266 	if (pcp->pc_bitmap == NULL) {
282 	start = ostart = pcp->pc_mapstart;
283 	end = pcp->pc_mapend;
305 		fd = bt_getlowbit(pcp->pc_bitmap, start, end);
319 			pdp = pcache_lookup_fd(pcp, fd);
362 					BT_CLEAR(pcp->pc_bitmap, fd);
388 			 * cleaner solution if we could pass pcp as
396 			curthread->t_pollcache = pcp;
418 				ASSERT(BT_TEST(pcp->pc_bitmap, fd));
497 					BT_CLEAR(pcp->pc_bitmap, fd);
513 					BT_CLEAR(pcp->pc_bitmap, fd);
529 				    ((pcp->pc_flag & PC_POLLWAKE) == 0)) {
530 					BT_CLEAR(pcp->pc_bitmap, fd);
558 		pcp->pc_mapstart = start;
571 	pollcache_t	*pcp;
616 	pcp = pcache_alloc();
617 	dpep->dpe_pcache = pcp;
618 	pcp->pc_pid = -1;
638 	pollcache_t	*pcp;
661 	pcp = dpep->dpe_pcache;
666 	if (!is_epoll && curproc->p_pid != pcp->pc_pid) {
667 		if (pcp->pc_pid != -1) {
671 		pcp->pc_pid = curproc->p_pid;
763 	VERIFY(pollstate_enter(pcp) == PSE_SUCCESS);
765 	if (pcp->pc_bitmap == NULL) {
766 		pcache_create(pcp, pollfdnum);
784 		pdp = pcache_lookup_fd(pcp, fd);
806 				pdp->pd_pcache = pcp;
807 				pcache_insert_fd(pcp, pdp, pollfdnum);
861 			ASSERT(pdp->pd_pcache == pcp);
862 			if (fd >= pcp->pc_mapsize) {
863 				mutex_exit(&pcp->pc_lock);
864 				pcache_grow_map(pcp, fd);
865 				mutex_enter(&pcp->pc_lock);
867 			if (fd > pcp->pc_mapend) {
868 				pcp->pc_mapend = fd;
877 				BT_SET(pcp->pc_bitmap, fd);
909 			 * cleaner solution if we could pass pcp as
917 			curthread->t_pollcache = pcp;
928 			BT_SET(pcp->pc_bitmap, fd);
972 			BT_CLEAR(pcp->pc_bitmap, fd);
984 		cv_broadcast(&pcp->pc_cv);
985 		pcache_wake_parents(pcp);
987 	pollstate_exit(pcp);
1022 	pollcache_t	*pcp;
1039 	pcp = dpep->dpe_pcache;
1064 	if (!is_epoll && curproc->p_pid != pcp->pc_pid) {
1065 		if (pcp->pc_pid != -1) {
1070 		pcp->pc_pid = curproc->p_pid;
1252 		VERIFY(pollstate_enter(pcp) == PSE_SUCCESS);
1254 			pcp->pc_flag &= ~PC_POLLWAKE;
1261 			pcachelink_mark_stale(pcp);
1264 			    pcp, nfds, &fdcnt);
1269 			pcachelink_purge_stale(pcp);
1274 			if (pcp->pc_flag & PC_POLLWAKE)
1285 			error = cv_timedwait_sig_hrtime(&pcp->pc_cv,
1286 			    &pcp->pc_lock, deadline);
1299 		pollstate_exit(pcp);
1329 		mutex_enter(&pcp->pc_lock);
1330 		if (pcp->pc_hash == NULL) {
1335 			mutex_exit(&pcp->pc_lock);
1340 			mutex_exit(&pcp->pc_lock);
1343 		pdp = pcache_lookup_fd(pcp, pollfd.fd);
1348 				mutex_exit(&pcp->pc_lock);
1354 		mutex_exit(&pcp->pc_lock);
1433 	pollcache_t	*pcp;
1451 		pcp = dpep->dpe_pcache;
1455 	res = pollstate_enter(pcp);
1461 		rc = dp_pcache_poll(dpep, NULL, pcp, nfds, &fdcnt);
1465 		pcachelink_assoc(pcp, ps->ps_pc_stack[0]);
1466 		pollstate_exit(pcp);
1504 	pollcache_t	*pcp;
1516 	pcp = dpep->dpe_pcache;
1517 	ASSERT(pcp != NULL);
1523 	hashtbl = pcp->pc_hash;
1524 	for (i = 0; i < pcp->pc_hashsize; i++) {
1537 	mutex_enter(&pcp->pc_no_exit);
1538 	ASSERT(pcp->pc_busy >= 0);
1539 	while (pcp->pc_busy > 0)
1540 		cv_wait(&pcp->pc_busy_cv, &pcp->pc_no_exit);
1541 	mutex_exit(&pcp->pc_no_exit);
1544 	if (pcp->pc_parents != NULL || pcp->pc_children != NULL) {
1549 		mutex_enter(&pcp->pc_lock);
1550 		pcachelink_purge_all(pcp);
1551 		mutex_exit(&pcp->pc_lock);
1554 	pcache_destroy(pcp);
1640 pcachelink_mark_stale(pollcache_t *pcp)
1644 	ASSERT(MUTEX_HELD(&pcp->pc_lock));
1646 	plpn = &pcp->pc_children;
1647 	for (pl = pcp->pc_children; pl != NULL; pl = *plpn) {
1670 pcachelink_purge_stale(pollcache_t *pcp)
1674 	ASSERT(MUTEX_HELD(&pcp->pc_lock));
1676 	plpn = &pcp->pc_children;
1677 	for (pl = pcp->pc_children; pl != NULL; pl = *plpn) {
1700 pcachelink_purge_all(pollcache_t *pcp)
1704 	ASSERT(MUTEX_HELD(&pcp->pc_lock));
1706 	plpn = &pcp->pc_parents;
1707 	for (pl = pcp->pc_parents; pl != NULL; pl = *plpn) {
1716 	plpn = &pcp->pc_children;
1717 	for (pl = pcp->pc_children; pl != NULL; pl = *plpn) {
1726 	ASSERT(pcp->pc_parents == NULL);
1727 	ASSERT(pcp->pc_children == NULL);