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-rw-r--r--sys/kern/kern_time.c90
1 files changed, 50 insertions, 40 deletions
diff --git a/sys/kern/kern_time.c b/sys/kern/kern_time.c
index 6b908a0..3aaed60 100644
--- a/sys/kern/kern_time.c
+++ b/sys/kern/kern_time.c
@@ -98,9 +98,6 @@ static int realtimer_settime(struct itimer *, int,
static int realtimer_delete(struct itimer *);
static void realtimer_clocktime(clockid_t, struct timespec *);
static void realtimer_expire(void *);
-static int kern_timer_create(struct thread *, clockid_t,
- struct sigevent *, int *, int);
-static int kern_timer_delete(struct thread *, int);
int register_posix_clock(int, struct kclock *);
void itimer_fire(struct itimer *it);
@@ -1067,31 +1064,30 @@ struct ktimer_create_args {
int
sys_ktimer_create(struct thread *td, struct ktimer_create_args *uap)
{
- struct sigevent *evp1, ev;
+ struct sigevent *evp, ev;
int id;
int error;
- if (uap->evp != NULL) {
+ if (uap->evp == NULL) {
+ evp = NULL;
+ } else {
error = copyin(uap->evp, &ev, sizeof(ev));
if (error != 0)
return (error);
- evp1 = &ev;
- } else
- evp1 = NULL;
-
- error = kern_timer_create(td, uap->clock_id, evp1, &id, -1);
-
+ evp = &ev;
+ }
+ error = kern_ktimer_create(td, uap->clock_id, evp, &id, -1);
if (error == 0) {
error = copyout(&id, uap->timerid, sizeof(int));
if (error != 0)
- kern_timer_delete(td, id);
+ kern_ktimer_delete(td, id);
}
return (error);
}
-static int
-kern_timer_create(struct thread *td, clockid_t clock_id,
- struct sigevent *evp, int *timerid, int preset_id)
+int
+kern_ktimer_create(struct thread *td, clockid_t clock_id, struct sigevent *evp,
+ int *timerid, int preset_id)
{
struct proc *p = td->td_proc;
struct itimer *it;
@@ -1206,7 +1202,8 @@ struct ktimer_delete_args {
int
sys_ktimer_delete(struct thread *td, struct ktimer_delete_args *uap)
{
- return (kern_timer_delete(td, uap->timerid));
+
+ return (kern_ktimer_delete(td, uap->timerid));
}
static struct itimer *
@@ -1228,8 +1225,8 @@ itimer_find(struct proc *p, int timerid)
return (it);
}
-static int
-kern_timer_delete(struct thread *td, int timerid)
+int
+kern_ktimer_delete(struct thread *td, int timerid)
{
struct proc *p = td->td_proc;
struct itimer *it;
@@ -1271,35 +1268,40 @@ struct ktimer_settime_args {
int
sys_ktimer_settime(struct thread *td, struct ktimer_settime_args *uap)
{
- struct proc *p = td->td_proc;
- struct itimer *it;
struct itimerspec val, oval, *ovalp;
int error;
error = copyin(uap->value, &val, sizeof(val));
if (error != 0)
return (error);
-
- if (uap->ovalue != NULL)
- ovalp = &oval;
- else
- ovalp = NULL;
+ ovalp = uap->ovalue != NULL ? &oval : NULL;
+ error = kern_ktimer_settime(td, uap->timerid, uap->flags, &val, ovalp);
+ if (error == 0 && uap->ovalue != NULL)
+ error = copyout(ovalp, uap->ovalue, sizeof(*ovalp));
+ return (error);
+}
+
+int
+kern_ktimer_settime(struct thread *td, int timer_id, int flags,
+ struct itimerspec *val, struct itimerspec *oval)
+{
+ struct proc *p;
+ struct itimer *it;
+ int error;
+ p = td->td_proc;
PROC_LOCK(p);
- if (uap->timerid < 3 ||
- (it = itimer_find(p, uap->timerid)) == NULL) {
+ if (timer_id < 3 || (it = itimer_find(p, timer_id)) == NULL) {
PROC_UNLOCK(p);
error = EINVAL;
} else {
PROC_UNLOCK(p);
itimer_enter(it);
- error = CLOCK_CALL(it->it_clockid, timer_settime,
- (it, uap->flags, &val, ovalp));
+ error = CLOCK_CALL(it->it_clockid, timer_settime, (it,
+ flags, val, oval));
itimer_leave(it);
ITIMER_UNLOCK(it);
}
- if (error == 0 && uap->ovalue != NULL)
- error = copyout(ovalp, uap->ovalue, sizeof(*ovalp));
return (error);
}
@@ -1312,26 +1314,34 @@ struct ktimer_gettime_args {
int
sys_ktimer_gettime(struct thread *td, struct ktimer_gettime_args *uap)
{
- struct proc *p = td->td_proc;
- struct itimer *it;
struct itimerspec val;
int error;
+ error = kern_ktimer_gettime(td, uap->timerid, &val);
+ if (error == 0)
+ error = copyout(&val, uap->value, sizeof(val));
+ return (error);
+}
+
+int
+kern_ktimer_gettime(struct thread *td, int timer_id, struct itimerspec *val)
+{
+ struct proc *p;
+ struct itimer *it;
+ int error;
+
+ p = td->td_proc;
PROC_LOCK(p);
- if (uap->timerid < 3 ||
- (it = itimer_find(p, uap->timerid)) == NULL) {
+ if (timer_id < 3 || (it = itimer_find(p, timer_id)) == NULL) {
PROC_UNLOCK(p);
error = EINVAL;
} else {
PROC_UNLOCK(p);
itimer_enter(it);
- error = CLOCK_CALL(it->it_clockid, timer_gettime,
- (it, &val));
+ error = CLOCK_CALL(it->it_clockid, timer_gettime, (it, val));
itimer_leave(it);
ITIMER_UNLOCK(it);
}
- if (error == 0)
- error = copyout(&val, uap->value, sizeof(val));
return (error);
}
@@ -1626,7 +1636,7 @@ itimers_event_hook_exit(void *arg, struct proc *p)
panic("unhandled event");
for (; i < TIMER_MAX; ++i) {
if ((it = its->its_timers[i]) != NULL)
- kern_timer_delete(curthread, i);
+ kern_ktimer_delete(curthread, i);
}
if (its->its_timers[0] == NULL &&
its->its_timers[1] == NULL &&
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