*
* @APPLE_LICENSE_HEADER_START@
*
- * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
+ * The contents of this file constitute Original Code as defined in and
+ * are subject to the Apple Public Source License Version 1.1 (the
+ * "License"). You may not use this file except in compliance with the
+ * License. Please obtain a copy of the License at
+ * http://www.apple.com/publicsource and read it before using this file.
*
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * This Original Code and all software distributed under the License are
+ * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
+ * License for the specific language governing rights and limitations
+ * under the License.
*
* @APPLE_LICENSE_HEADER_END@
*/
#include <sys/resourcevar.h>
#include <sys/kernel.h>
#include <sys/systm.h>
-#include <sys/proc.h>
+#include <sys/proc_internal.h>
+#include <sys/kauth.h>
#include <sys/vnode.h>
-#include <sys/mount.h>
+#include <sys/mount_internal.h>
+#include <sys/sysproto.h>
+#include <sys/signalvar.h>
#include <kern/clock.h>
+#include <kern/thread_call.h>
#define HZ 100 /* XXX */
-volatile struct timeval time;
/* simple lock used to access timezone, tz structure */
-decl_simple_lock_data(, tz_slock);
+lck_spin_t * tz_slock;
+lck_grp_t * tz_slock_grp;
+lck_attr_t * tz_slock_attr;
+lck_grp_attr_t *tz_slock_grp_attr;
+
+static void setthetime(
+ struct timeval *tv);
+
+void time_zone_slock_init(void);
+
+int gettimeofday(struct proc *p,
+#ifdef __ppc__
+ struct ppc_gettimeofday_args *uap,
+#else
+ struct gettimeofday_args *uap,
+#endif
+ register_t *retval);
+
/*
* Time of day and interval timer support.
*
* here provide support for adding and subtracting timeval structures
* and decrementing interval timers, optionally reloading the interval
* timers when they expire.
+ *
+ * XXX Y2038 bug because of clock_get_calendar_microtime() first argument
*/
-struct gettimeofday_args{
- struct timeval *tp;
- struct timezone *tzp;
-};
/* ARGSUSED */
int
-gettimeofday(p, uap, retval)
- struct proc *p;
- register struct gettimeofday_args *uap;
- register_t *retval;
+gettimeofday(__unused struct proc *p,
+#ifdef __ppc__
+ register struct ppc_gettimeofday_args *uap,
+#else
+ register struct gettimeofday_args *uap,
+#endif
+ __unused register_t *retval)
{
struct timeval atv;
int error = 0;
- extern simple_lock_data_t tz_slock;
struct timezone ltz; /* local copy */
/* NOTE THIS implementation is for non ppc architectures only */
if (uap->tp) {
- microtime(&atv);
- if (error = copyout((caddr_t)&atv, (caddr_t)uap->tp,
- sizeof (atv)))
+ clock_get_calendar_microtime((uint32_t *)&atv.tv_sec, &atv.tv_usec);
+ if (IS_64BIT_PROCESS(p)) {
+ struct user_timeval user_atv;
+ user_atv.tv_sec = atv.tv_sec;
+ user_atv.tv_usec = atv.tv_usec;
+ /*
+ * This cast is not necessary for PPC, but is
+ * mostly harmless.
+ */
+ error = copyout(&user_atv, CAST_USER_ADDR_T(uap->tp), sizeof(struct user_timeval));
+ } else {
+ error = copyout(&atv, CAST_USER_ADDR_T(uap->tp), sizeof(struct timeval));
+ }
+ if (error)
return(error);
}
if (uap->tzp) {
- usimple_lock(&tz_slock);
+ lck_spin_lock(tz_slock);
ltz = tz;
- usimple_unlock(&tz_slock);
- error = copyout((caddr_t)<z, (caddr_t)uap->tzp,
+ lck_spin_unlock(tz_slock);
+ error = copyout((caddr_t)<z, CAST_USER_ADDR_T(uap->tzp),
sizeof (tz));
}
return(error);
}
-struct settimeofday_args {
- struct timeval *tv;
- struct timezone *tzp;
-};
+/*
+ * XXX Y2038 bug because of setthetime() argument
+ */
/* ARGSUSED */
int
-settimeofday(p, uap, retval)
- struct proc *p;
- struct settimeofday_args *uap;
- register_t *retval;
+settimeofday(struct proc *p, struct settimeofday_args *uap, __unused register_t *retval)
{
struct timeval atv;
struct timezone atz;
- int error, s;
- extern simple_lock_data_t tz_slock;
+ int error;
- if (error = suser(p->p_ucred, &p->p_acflag))
+ if ((error = suser(kauth_cred_get(), &p->p_acflag)))
return (error);
- /* Verify all parameters before changing time. */
- if (uap->tv && (error = copyin((caddr_t)uap->tv,
- (caddr_t)&atv, sizeof(atv))))
- return (error);
- if (uap->tzp && (error = copyin((caddr_t)uap->tzp,
- (caddr_t)&atz, sizeof(atz))))
+ /* Verify all parameters before changing time */
+ if (uap->tv) {
+ if (IS_64BIT_PROCESS(p)) {
+ struct user_timeval user_atv;
+ error = copyin(uap->tv, &user_atv, sizeof(struct user_timeval));
+ atv.tv_sec = user_atv.tv_sec;
+ atv.tv_usec = user_atv.tv_usec;
+ } else {
+ error = copyin(uap->tv, &atv, sizeof(struct timeval));
+ }
+ if (error)
+ return (error);
+ }
+ if (uap->tzp && (error = copyin(uap->tzp, (caddr_t)&atz, sizeof(atz))))
return (error);
- if (uap->tv)
+ if (uap->tv) {
+ timevalfix(&atv);
+ if (atv.tv_sec < 0 || (atv.tv_sec == 0 && atv.tv_usec < 0))
+ return (EPERM);
setthetime(&atv);
+ }
if (uap->tzp) {
- usimple_lock(&tz_slock);
+ lck_spin_lock(tz_slock);
tz = atz;
- usimple_unlock(&tz_slock);
+ lck_spin_unlock(tz_slock);
}
return (0);
}
-setthetime(tv)
- struct timeval *tv;
+static void
+setthetime(
+ struct timeval *tv)
{
- long delta = tv->tv_sec - time.tv_sec;
- mach_timespec_t now;
-
- now.tv_sec = tv->tv_sec;
- now.tv_nsec = tv->tv_usec * NSEC_PER_USEC;
-
- clock_set_calendar_value(now);
- boottime.tv_sec += delta;
-#if NFSCLIENT || NFSSERVER
- lease_updatetime(delta);
-#endif
+ clock_set_calendar_microtime(tv->tv_sec, tv->tv_usec);
}
-#define tickadj (40 * NSEC_PER_USEC) /* "standard" skew, ns / 10 ms */
-#define bigadj (1 * NSEC_PER_SEC) /* use 10x skew above bigadj ns */
-
-struct adjtime_args {
- struct timeval *delta;
- struct timeval *olddelta;
-};
+/*
+ * XXX Y2038 bug because of clock_adjtime() first argument
+ */
/* ARGSUSED */
int
-adjtime(p, uap, retval)
- struct proc *p;
- register struct adjtime_args *uap;
- register_t *retval;
+adjtime(struct proc *p, register struct adjtime_args *uap, __unused register_t *retval)
{
struct timeval atv;
- int64_t total;
- uint32_t delta;
int error;
- if (error = suser(p->p_ucred, &p->p_acflag))
+ if ((error = suser(kauth_cred_get(), &p->p_acflag)))
return (error);
- if (error = copyin((caddr_t)uap->delta,
- (caddr_t)&atv, sizeof (struct timeval)))
+ if (IS_64BIT_PROCESS(p)) {
+ struct user_timeval user_atv;
+ error = copyin(uap->delta, &user_atv, sizeof(struct user_timeval));
+ atv.tv_sec = user_atv.tv_sec;
+ atv.tv_usec = user_atv.tv_usec;
+ } else {
+ error = copyin(uap->delta, &atv, sizeof(struct timeval));
+ }
+ if (error)
return (error);
- /*
- * Compute the total correction and the rate at which to apply it.
- */
- total = (int64_t)atv.tv_sec * NSEC_PER_SEC + atv.tv_usec * NSEC_PER_USEC;
- if (total > bigadj || total < -bigadj)
- delta = 10 * tickadj;
- else
- delta = tickadj;
-
- total = clock_set_calendar_adjtime(total, delta);
+ /*
+ * Compute the total correction and the rate at which to apply it.
+ */
+ clock_adjtime((int32_t *)&atv.tv_sec, &atv.tv_usec);
if (uap->olddelta) {
- atv.tv_sec = total / NSEC_PER_SEC;
- atv.tv_usec = (total / NSEC_PER_USEC) % USEC_PER_SEC;
- (void) copyout((caddr_t)&atv,
- (caddr_t)uap->olddelta, sizeof (struct timeval));
+ if (IS_64BIT_PROCESS(p)) {
+ struct user_timeval user_atv;
+ user_atv.tv_sec = atv.tv_sec;
+ user_atv.tv_usec = atv.tv_usec;
+ error = copyout(&user_atv, uap->olddelta, sizeof(struct user_timeval));
+ } else {
+ error = copyout(&atv, uap->olddelta, sizeof(struct timeval));
+ }
}
return (0);
}
/*
- * Initialze the time of day register.
- * Trust the RTC except for the case where it is set before
- * the UNIX epoch. In that case use the the UNIX epoch.
- * The argument passed in is ignored.
+ * Verify the calendar value. If negative,
+ * reset to zero (the epoch).
*/
void
-inittodr(base)
- time_t base;
+inittodr(
+ __unused time_t base)
{
+ struct timeval tv;
+
/*
* Assertion:
* The calendar has already been
- * set up from the battery clock.
+ * set up from the platform clock.
*
* The value returned by microtime()
* is gotten from the calendar.
*/
- microtime(&time);
+ microtime(&tv);
- /*
- * This variable still exists to keep
- * 'w' happy. It should only be considered
- * an approximation.
- */
- boottime.tv_sec = time.tv_sec;
- boottime.tv_usec = 0;
-
- /*
- * If the RTC does not have acceptable value, i.e. time before
- * the UNIX epoch, set it to the UNIX epoch
- */
- if (time.tv_sec < 0) {
+ if (tv.tv_sec < 0 || tv.tv_usec < 0) {
printf ("WARNING: preposterous time in Real Time Clock");
- time.tv_sec = 0; /* the UNIX epoch */
- time.tv_usec = 0;
- setthetime(&time);
- boottime = time;
+ tv.tv_sec = 0; /* the UNIX epoch */
+ tv.tv_usec = 0;
+ setthetime(&tv);
printf(" -- CHECK AND RESET THE DATE!\n");
}
+}
- return;
+time_t
+boottime_sec(void)
+{
+ uint32_t sec, nanosec;
+ clock_get_boottime_nanotime(&sec, &nanosec);
+ return (sec);
}
-void timevaladd(
- struct timeval *t1,
- struct timeval *t2);
-void timevalsub(
- struct timeval *t1,
- struct timeval *t2);
-void timevalfix(
- struct timeval *t1);
-
-uint64_t
- tvtoabstime(
- struct timeval *tvp);
+uint64_t tvtoabstime(struct timeval *tvp);
/*
* Get value of an interval timer. The process virtual and
* absolute time when the timer should go off.
*/
-struct getitimer_args {
- u_int which;
- struct itimerval *itv;
-};
/* ARGSUSED */
int
-getitimer(p, uap, retval)
- struct proc *p;
- register struct getitimer_args *uap;
- register_t *retval;
+getitimer(struct proc *p, register struct getitimer_args *uap, __unused register_t *retval)
{
struct itimerval aitv;
else
aitv = p->p_stats->p_timer[uap->which];
- return (copyout((caddr_t)&aitv,
- (caddr_t)uap->itv, sizeof (struct itimerval)));
+ if (IS_64BIT_PROCESS(p)) {
+ struct user_itimerval user_itv;
+ user_itv.it_interval.tv_sec = aitv.it_interval.tv_sec;
+ user_itv.it_interval.tv_usec = aitv.it_interval.tv_usec;
+ user_itv.it_value.tv_sec = aitv.it_value.tv_sec;
+ user_itv.it_value.tv_usec = aitv.it_value.tv_usec;
+ return (copyout((caddr_t)&user_itv, uap->itv, sizeof (struct user_itimerval)));
+ } else {
+ return (copyout((caddr_t)&aitv, uap->itv, sizeof (struct itimerval)));
+ }
}
-struct setitimer_args {
- u_int which;
- struct itimerval *itv;
- struct itimerval *oitv;
-};
/* ARGSUSED */
int
setitimer(p, uap, retval)
register_t *retval;
{
struct itimerval aitv;
- register struct itimerval *itvp;
+ user_addr_t itvp;
int error;
if (uap->which > ITIMER_PROF)
return (EINVAL);
- if ((itvp = uap->itv) &&
- (error = copyin((caddr_t)itvp,
- (caddr_t)&aitv, sizeof (struct itimerval))))
- return (error);
- if ((uap->itv = uap->oitv) && (error = getitimer(p, uap, retval)))
+ if ((itvp = uap->itv)) {
+ if (IS_64BIT_PROCESS(p)) {
+ struct user_itimerval user_itv;
+ if ((error = copyin(itvp, (caddr_t)&user_itv, sizeof (struct user_itimerval))))
+ return (error);
+ aitv.it_interval.tv_sec = user_itv.it_interval.tv_sec;
+ aitv.it_interval.tv_usec = user_itv.it_interval.tv_usec;
+ aitv.it_value.tv_sec = user_itv.it_value.tv_sec;
+ aitv.it_value.tv_usec = user_itv.it_value.tv_usec;
+ } else {
+ if ((error = copyin(itvp, (caddr_t)&aitv, sizeof (struct itimerval))))
+ return (error);
+ }
+ }
+ if ((uap->itv = uap->oitv) && (error = getitimer(p, (struct getitimer_args *)uap, retval)))
return (error);
if (itvp == 0)
return (0);
if (itimerfix(&aitv.it_value) || itimerfix(&aitv.it_interval))
return (EINVAL);
if (uap->which == ITIMER_REAL) {
- thread_call_func_cancel(realitexpire, (void *)p->p_pid, FALSE);
+ thread_call_func_cancel((thread_call_func_t)realitexpire, (void *)p->p_pid, FALSE);
if (timerisset(&aitv.it_value)) {
microuptime(&p->p_rtime);
timevaladd(&p->p_rtime, &aitv.it_value);
thread_call_func_delayed(
- realitexpire, (void *)p->p_pid,
+ (thread_call_func_t)realitexpire, (void *)p->p_pid,
tvtoabstime(&p->p_rtime));
}
else
{
register struct proc *p;
struct timeval now;
- boolean_t funnel_state = thread_funnel_set(kernel_flock, TRUE);
+ boolean_t funnel_state;
+ funnel_state = thread_funnel_set(kernel_flock, TRUE);
p = pfind((pid_t)pid);
if (p == NULL) {
(void) thread_funnel_set(kernel_flock, FALSE);
}
}
- thread_call_func_delayed(realitexpire, pid, tvtoabstime(&p->p_rtime));
-
psignal(p, SIGALRM);
+ thread_call_func_delayed((thread_call_func_t)realitexpire, pid, tvtoabstime(&p->p_rtime));
+
(void) thread_funnel_set(kernel_flock, FALSE);
}
microtime(
struct timeval *tvp)
{
- mach_timespec_t now = clock_get_calendar_value();
-
- tvp->tv_sec = now.tv_sec;
- tvp->tv_usec = now.tv_nsec / NSEC_PER_USEC;
+ clock_get_calendar_microtime((uint32_t *)&tvp->tv_sec, &tvp->tv_usec);
}
void
microuptime(
struct timeval *tvp)
{
- mach_timespec_t now = clock_get_system_value();
-
- tvp->tv_sec = now.tv_sec;
- tvp->tv_usec = now.tv_nsec / NSEC_PER_USEC;
+ clock_get_system_microtime((uint32_t *)&tvp->tv_sec, &tvp->tv_usec);
}
/*
nanotime(
struct timespec *tsp)
{
- mach_timespec_t now = clock_get_calendar_value();
-
- tsp->tv_sec = now.tv_sec;
- tsp->tv_nsec = now.tv_nsec;
+ clock_get_calendar_nanotime((uint32_t *)&tsp->tv_sec, (uint32_t *)&tsp->tv_nsec);
}
void
nanouptime(
struct timespec *tsp)
{
- mach_timespec_t now = clock_get_system_value();
-
- tsp->tv_sec = now.tv_sec;
- tsp->tv_nsec = now.tv_nsec;
+ clock_get_system_nanotime((uint32_t *)&tsp->tv_sec, (uint32_t *)&tsp->tv_nsec);
}
uint64_t
void
time_zone_slock_init(void)
{
- extern simple_lock_data_t tz_slock;
+ /* allocate lock group attribute and group */
+ tz_slock_grp_attr = lck_grp_attr_alloc_init();
+ lck_grp_attr_setstat(tz_slock_grp_attr);
- simple_lock_init(&tz_slock);
+ tz_slock_grp = lck_grp_alloc_init("tzlock", tz_slock_grp_attr);
+ /* Allocate lock attribute */
+ tz_slock_attr = lck_attr_alloc_init();
+ //lck_attr_setdebug(tz_slock_attr);
+ /* Allocate the spin lock */
+ tz_slock = lck_spin_alloc_init(tz_slock_grp, tz_slock_attr);
}
+
projects / apple / xnu.git / blobdiff