Cross Reference: /illumos-gate/usr/src/uts/common/os/sig.c

Lines Matching refs:sqh
1824 	sigqhdr_t *sqh;
1826 	sqh = (sigqhdr_t *)sigqp->sq_backptr;
1827 	ASSERT(sqh);
1829 	mutex_enter(&sqh->sqb_lock);
1830 	sqh->sqb_sent++;
1831 	mutex_exit(&sqh->sqb_lock);
2400 	sigqhdr_t *sqh;
2410 	sqh = kmem_alloc(i, KM_SLEEP);
2411 	sqh->sqb_count = maxcount;
2412 	sqh->sqb_maxcount = maxcount;
2413 	sqh->sqb_size = i;
2414 	sqh->sqb_pexited = 0;
2415 	sqh->sqb_sent = 0;
2416 	sqh->sqb_free = sq = (sigqueue_t *)(sqh + 1);
2423 	cv_init(&sqh->sqb_cv, NULL, CV_DEFAULT, NULL);
2424 	mutex_init(&sqh->sqb_lock, NULL, MUTEX_DEFAULT, NULL);
2425 	return (sqh);
2436 sigqalloc(sigqhdr_t *sqh)
2442 	if (sqh != NULL) {
2443 		mutex_enter(&sqh->sqb_lock);
2444 		if (sqh->sqb_count > 0) {
2445 			sqh->sqb_count--;
2446 			if (sqh->sqb_free == NULL) {
2453 				sq = sqh->sqb_free;
2455 				sqh->sqb_free = sq->sq_next;
2457 			mutex_exit(&sqh->sqb_lock);
2459 			sq->sq_backptr = sqh;
2463 			mutex_exit(&sqh->sqb_lock);
2475 	sigqhdr_t *sqh;
2479 	sqh = (sigqhdr_t *)sq->sq_backptr;
2480 	mutex_enter(&sqh->sqb_lock);
2481 	if (sqh->sqb_pexited && sqh->sqb_sent == 1) {
2482 		mutex_exit(&sqh->sqb_lock);
2483 		cv_destroy(&sqh->sqb_cv);
2484 		mutex_destroy(&sqh->sqb_lock);
2485 		kmem_free(sqh, sqh->sqb_size);
2487 		sqh->sqb_count++;
2488 		sqh->sqb_sent--;
2489 		sq->sq_next = sqh->sqb_free;
2491 		sqh->sqb_free = sq;
2492 		cv_signal(&sqh->sqb_cv);
2493 		mutex_exit(&sqh->sqb_lock);
2521 sigqhdrfree(sigqhdr_t *sqh)
2523 	mutex_enter(&sqh->sqb_lock);
2524 	if (sqh->sqb_sent == 0) {
2525 		mutex_exit(&sqh->sqb_lock);
2526 		cv_destroy(&sqh->sqb_cv);
2527 		mutex_destroy(&sqh->sqb_lock);
2528 		kmem_free(sqh, sqh->sqb_size);
2530 		sqh->sqb_pexited = 1;
2531 		mutex_exit(&sqh->sqb_lock);