int
stime(time_t time)
{
timestruc_t ts;
if (secpolicy_settime(CRED()) != 0)
return (set_errno(EPERM));
if (time < 0)
return (set_errno(EINVAL));
ts.tv_sec = time;
ts.tv_nsec = 0;
mutex_enter(&tod_lock);
tod_set(ts);
set_hrestime(&ts);
mutex_exit(&tod_lock);
return (0);
}
int
adjtime(struct timeval *delta, struct timeval *olddelta)
{
struct timeval atv, oatv;
int64_t ndelta;
int64_t old_delta;
int s;
model_t datamodel = get_udatamodel();
if (secpolicy_settime(CRED()) != 0)
return (set_errno(EPERM));
if (datamodel == DATAMODEL_NATIVE) {
if (copyin(delta, &atv, sizeof (atv)))
return (set_errno(EFAULT));
} else {
struct timeval32 atv32;
if (copyin(delta, &atv32, sizeof (atv32)))
return (set_errno(EFAULT));
TIMEVAL32_TO_TIMEVAL(&atv, &atv32);
}
if (atv.tv_usec <= -MICROSEC || atv.tv_usec >= MICROSEC)
return (set_errno(EINVAL));
/*
* The SVID specifies that if delta is 0, then there is
* no effect upon time correction, just return olddelta.
*/
ndelta = (int64_t)atv.tv_sec * NANOSEC + atv.tv_usec * 1000;
mutex_enter(&tod_lock);
s = hr_clock_lock();
old_delta = timedelta;
if (ndelta)
timedelta = ndelta;
/*
* Always set tod_needsync on all adjtime() calls, since it implies
* someone is watching over us and keeping the local clock in sync.
*/
tod_needsync = 1;
hr_clock_unlock(s);
mutex_exit(&tod_lock);
if (olddelta) {
oatv.tv_sec = old_delta / NANOSEC;
oatv.tv_usec = (old_delta % NANOSEC) / 1000;
if (datamodel == DATAMODEL_NATIVE) {
if (copyout(&oatv, olddelta, sizeof (oatv)))
return (set_errno(EFAULT));
} else {
struct timeval32 oatv32;
if (TIMEVAL_OVERFLOW(&oatv))
return (set_errno(EOVERFLOW));
TIMEVAL_TO_TIMEVAL32(&oatv32, &oatv);
if (copyout(&oatv32, olddelta, sizeof (oatv32)))
return (set_errno(EFAULT));
}
}
return (0);
}
