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/* ISC license. */
#include <errno.h>
#include <time.h>
#include <pthread.h>
#include <skalibs/sysdeps.h>
#include <skalibs/tai.h>
#include <skalibs/pthread.h>
#ifdef SKALIBS_HASPTHREADMUTEXTIMEDLOCK
int pthread_mutex_tailock (pthread_mutex_t *mtx, tain const *deadline, tain *stamp)
{
int e ;
struct timespec ts ;
tain tto ;
if (!stamp) return pthread_mutex_lock(mtx) ;
tain_sub(&tto, deadline, stamp) ;
if (!timespec_from_tain_relative(&ts, &tto)) return errno ;
#ifdef SKALIBS_HASPTHREADMUTEXCLOCKLOCK
if (&tain_now != &tain_wallclock_read)
e = pthread_mutex_clocklock(mtx, CLOCK_MONOTONIC, &ts) ;
else
#else
e = pthread_mutex_timedlock(mtx, &ts) ;
#endif
tain_now(stamp) ;
return e ;
}
#else
int pthread_mutex_tailock (pthread_mutex_t *mtx, tain const *deadline, tain *stamp)
{
(void)deadline ;
(void)stamp ;
return pthread_mutex_lock(mtx) ;
}
#endif
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