int
nanosleep1(struct lwp *l, clockid_t clock_id, int flags, struct timespec *rqt,
struct timespec *rmt)
{
struct timespec rmtstart;
int error, timo;
if ((error = ts2timo(clock_id, flags, rqt, &timo, &rmtstart)) != 0) {
if (error == ETIMEDOUT) {
error = 0;
if (rmt != NULL)
rmt->tv_sec = rmt->tv_nsec = 0;
}
return error;
}
/*
* Avoid inadvertently sleeping forever
*/
if (timo == 0)
timo = 1;
again:
error = kpause("nanoslp", true, timo, NULL);
if (rmt != NULL || error == 0) {
struct timespec rmtend;
struct timespec t0;
struct timespec *t;
(void)clock_gettime1(clock_id, &rmtend);
t = (rmt != NULL) ? rmt : &t0;
if (flags & TIMER_ABSTIME) {
timespecsub(rqt, &rmtend, t);
} else {
timespecsub(&rmtend, &rmtstart, t);
timespecsub(rqt, t, t);
}
if (t->tv_sec < 0)
timespecclear(t);
if (error == 0) {
timo = tstohz(t);
if (timo > 0)
goto again;
}
}
if (error == ERESTART)
error = EINTR;
if (error == EWOULDBLOCK)
error = 0;
return error;
}
/* ARGSUSED */
int
sys___clock_gettime50(struct lwp *l,
const struct sys___clock_gettime50_args *uap, register_t *retval)
{
/* {
syscallarg(clockid_t) clock_id;
syscallarg(struct timespec *) tp;
} */
int error;
struct timespec ats;
error = clock_gettime1(SCARG(uap, clock_id), &ats);
if (error != 0)
return error;
return copyout(&ats, SCARG(uap, tp), sizeof(ats));
}
int
netbsd32___clock_gettime50(struct lwp *l, const struct netbsd32___clock_gettime50_args *uap, register_t *retval)
{
/* {
syscallarg(netbsd32_clockid_t) clock_id;
syscallarg(netbsd32_timespecp_t) tp;
} */
int error;
struct timespec ats;
struct netbsd32_timespec ts32;
error = clock_gettime1(SCARG(uap, clock_id), &ats);
if (error != 0)
return error;
netbsd32_from_timespec(&ats, &ts32);
return copyout(&ts32, SCARG_P32(uap, tp), sizeof(ts32));
}