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      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 2009 Sun Microsystems, Inc.  All rights reserved.
     24  * Use is subject to license terms.
     25  */
     26 
     27 #include "lint.h"
     28 #include "thr_uberdata.h"
     29 #include <sys/types.h>
     30 #include <time.h>
     31 #include <errno.h>
     32 #include <synch.h>
     33 #include <sys/synch32.h>
     34 #include <pthread.h>
     35 
     36 int
     37 _lwp_cond_wait(cond_t *cv, mutex_t *mp)
     38 {
     39 	int error;
     40 
     41 	error = ___lwp_cond_wait(cv, mp, NULL, 0);
     42 	if (mp->mutex_type & (PTHREAD_PRIO_INHERIT|PTHREAD_PRIO_PROTECT))
     43 		(void) ___lwp_mutex_timedlock(mp, NULL, NULL);
     44 	else
     45 		(void) _lwp_mutex_lock(mp);
     46 	return (error);
     47 }
     48 
     49 int
     50 _lwp_cond_reltimedwait(cond_t *cv, mutex_t *mp, timespec_t *relts)
     51 {
     52 	int error;
     53 
     54 	if (relts != NULL &&
     55 	    (relts->tv_sec < 0 || (ulong_t)relts->tv_nsec >= NANOSEC))
     56 		return (EINVAL);
     57 	error = ___lwp_cond_wait(cv, mp, relts, 0);
     58 	if (mp->mutex_type & (PTHREAD_PRIO_INHERIT|PTHREAD_PRIO_PROTECT))
     59 		(void) ___lwp_mutex_timedlock(mp, NULL, NULL);
     60 	else
     61 		(void) _lwp_mutex_lock(mp);
     62 	return (error);
     63 }
     64 
     65 int
     66 _lwp_cond_timedwait(cond_t *cv, mutex_t *mp, timespec_t *absts)
     67 {
     68 	extern void abstime_to_reltime(clockid_t,
     69 	    const timespec_t *, timespec_t *);
     70 	timespec_t tslocal;
     71 
     72 	abstime_to_reltime(CLOCK_REALTIME, absts, &tslocal);
     73 	return (_lwp_cond_reltimedwait(cv, mp, &tslocal));
     74 }
     75