1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include "lint.h" 30 #include <sys/types.h> 31 32 #include <time.h> 33 #include <errno.h> 34 #include <synch.h> 35 #include <sys/synch32.h> 36 #include <pthread.h> 37 38 extern int ___lwp_cond_wait(lwp_cond_t *, lwp_mutex_t *, timespec_t *, int); 39 extern int ___lwp_mutex_timedlock(lwp_mutex_t *, timespec_t *); 40 41 int 42 _lwp_cond_wait(cond_t *cv, mutex_t *mp) 43 { 44 int error; 45 46 error = ___lwp_cond_wait(cv, mp, NULL, 0); 47 if (mp->mutex_type & (PTHREAD_PRIO_INHERIT|PTHREAD_PRIO_PROTECT)) 48 (void) ___lwp_mutex_timedlock(mp, NULL); 49 else 50 (void) _lwp_mutex_lock(mp); 51 return (error); 52 } 53 54 int 55 _lwp_cond_reltimedwait(cond_t *cv, mutex_t *mp, timespec_t *relts) 56 { 57 int error; 58 59 if (relts != NULL && 60 (relts->tv_sec < 0 || (ulong_t)relts->tv_nsec >= NANOSEC)) 61 return (EINVAL); 62 error = ___lwp_cond_wait(cv, mp, relts, 0); 63 if (mp->mutex_type & (PTHREAD_PRIO_INHERIT|PTHREAD_PRIO_PROTECT)) 64 (void) ___lwp_mutex_timedlock(mp, NULL); 65 else 66 (void) _lwp_mutex_lock(mp); 67 return (error); 68 } 69 70 int 71 _lwp_cond_timedwait(cond_t *cv, mutex_t *mp, timespec_t *absts) 72 { 73 extern void abstime_to_reltime(clockid_t, 74 const timespec_t *, timespec_t *); 75 timespec_t tslocal; 76 77 abstime_to_reltime(CLOCK_REALTIME, absts, &tslocal); 78 return (_lwp_cond_reltimedwait(cv, mp, &tslocal)); 79 } 80