condition.c revision 3740b569ae76295b941d57a724a43beb75b533ba
/*
* Copyright (C) 1998 Internet Software Consortium.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
* CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
* SOFTWARE.
*/
#include <config.h>
#include <errno.h>
#include <string.h>
#include <isc/condition.h>
#include <isc/error.h>
isc_result_t
isc_condition_waituntil(isc_condition_t *c, isc_mutex_t *m, isc_time_t *t)
{
int presult;
struct timespec ts;
ts.tv_sec = t->seconds;
ts.tv_nsec = t->nanoseconds;
presult = pthread_cond_timedwait(c, m, &ts);
if (presult == 0)
return (ISC_R_SUCCESS);
if (presult == ETIMEDOUT)
return (ISC_R_TIMEDOUT);
UNEXPECTED_ERROR(__FILE__, __LINE__,
"pthread_cond_timedwait() returned %s",
strerror(presult));
return (ISC_R_UNEXPECTED);
}