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, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2004 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 #pragma weak _lwp_cond_wait = __lwp_cond_wait 30 #pragma weak _lwp_cond_reltimedwait = __lwp_cond_reltimedwait 31 #pragma weak _lwp_cond_timedwait = __lwp_cond_timedwait 32 33 #include "synonyms.h" 34 #include <sys/types.h> 35 36 #include <time.h> 37 #include <errno.h> 38 #include <synch.h> 39 #include <sys/synch32.h> 40 #include <pthread.h> 41 42 extern int ___lwp_cond_wait(lwp_cond_t *, lwp_mutex_t *, timespec_t *, int); 43 extern int ___lwp_mutex_timedlock(lwp_mutex_t *, timespec_t *); 44 45 int 46 _lwp_cond_wait(cond_t *cv, mutex_t *mp) 47 { 48 int error; 49 50 error = ___lwp_cond_wait(cv, mp, NULL, 0); 51 if (mp->mutex_type & (PTHREAD_PRIO_INHERIT|PTHREAD_PRIO_PROTECT)) 52 (void) ___lwp_mutex_timedlock(mp, NULL); 53 else 54 (void) _lwp_mutex_lock(mp); 55 return (error); 56 } 57 58 int 59 _lwp_cond_reltimedwait(cond_t *cv, mutex_t *mp, timespec_t *relts) 60 { 61 int error; 62 63 if (relts != NULL && 64 (relts->tv_sec < 0 || (ulong_t)relts->tv_nsec >= NANOSEC)) 65 return (EINVAL); 66 error = ___lwp_cond_wait(cv, mp, relts, 0); 67 if (mp->mutex_type & (PTHREAD_PRIO_INHERIT|PTHREAD_PRIO_PROTECT)) 68 (void) ___lwp_mutex_timedlock(mp, NULL); 69 else 70 (void) _lwp_mutex_lock(mp); 71 return (error); 72 } 73 74 int 75 _lwp_cond_timedwait(cond_t *cv, mutex_t *mp, timespec_t *absts) 76 { 77 extern void abstime_to_reltime(clockid_t, 78 const timespec_t *, timespec_t *); 79 timespec_t tslocal; 80 81 abstime_to_reltime(CLOCK_REALTIME, absts, &tslocal); 82 return (_lwp_cond_reltimedwait(cv, mp, &tslocal)); 83 } 84