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); }