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Implement 32bit wrappers for clock_gettime, clock_settime, and

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clock_getres.
This commit is contained in:
Paul Saab 2005-10-15 02:54:18 +00:00
parent 145f7e60da
commit f0b479cd75
4 changed files with 116 additions and 25 deletions
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53
sys/compat/freebsd32/freebsd32_misc.c
View File

@ -1260,6 +1260,59 @@ freebsd32_nanosleep(struct thread *td, struct freebsd32_nanosleep_args *uap)
return (error);
}
int
freebsd32_clock_gettime(struct thread *td,
struct freebsd32_clock_gettime_args *uap)
{
struct timespec ats;
struct timespec32 ats32;
int error;
error = kern_clock_gettime(td, uap->clock_id, &ats);
if (error == 0) {
CP(ats, ats32, tv_sec);
CP(ats, ats32, tv_nsec);
error = copyout(&ats32, uap->tp, sizeof(ats32));
}
return (error);
}
int
freebsd32_clock_settime(struct thread *td,
struct freebsd32_clock_settime_args *uap)
{
struct timespec ats;
struct timespec32 ats32;
int error;
error = copyin(uap->tp, &ats32, sizeof(ats32));
if (error)
return (error);
CP(ats32, ats, tv_sec);
CP(ats32, ats, tv_nsec);
return (kern_clock_settime(td, uap->clock_id, &ats));
}
int
freebsd32_clock_getres(struct thread *td,
struct freebsd32_clock_getres_args *uap)
{
struct timespec ts;
struct timespec32 ts32;
int error;
if (uap->tp == NULL)
return (0);
error = kern_clock_getres(td, uap->clock_id, &ts);
if (error == 0) {
CP(ts, ts32, tv_sec);
CP(ts, ts32, tv_nsec);
error = copyout(&ts32, uap->tp, sizeof(ts32));
}
return (error);
}
#if 0
int

12
sys/compat/freebsd32/syscalls.master
View File

@ -412,12 +412,12 @@
231 AUE_NULL MNOPROTO { int shmget(key_t key, int size, \
int shmflg); }
;
232 AUE_NULL MNOPROTO { int clock_gettime(clockid_t clock_id, \
struct timespec *tp); }
233 AUE_NULL MNOPROTO { int clock_settime(clockid_t clock_id, \
const struct timespec *tp); }
234 AUE_NULL MNOPROTO { int clock_getres(clockid_t clock_id, \
struct timespec *tp); }
232 AUE_NULL MSTD { int freebsd32_clock_gettime(clockid_t clock_id, \
struct timespec32 *tp); }
233 AUE_NULL MSTD { int freebsd32_clock_settime(clockid_t clock_id, \
const struct timespec32 *tp); }
234 AUE_NULL MSTD { int freebsd32_clock_getres(clockid_t clock_id, \
struct timespec32 *tp); }
235 AUE_NULL UNIMPL timer_create
236 AUE_NULL UNIMPL timer_delete
237 AUE_NULL UNIMPL timer_settime

70
sys/kern/kern_time.c
View File

@ -155,34 +155,46 @@ int
clock_gettime(struct thread *td, struct clock_gettime_args *uap)
{
struct timespec ats;
int error;
error = kern_clock_gettime(td, uap->clock_id, &ats);
if (error == 0)
error = copyout(&ats, uap->tp, sizeof(ats));
return (error);
}
int
kern_clock_gettime(struct thread *td, clockid_t clock_id, struct timespec *ats)
{
struct timeval sys, user;
struct proc *p;
p = td->td_proc;
switch (uap->clock_id) {
switch (clock_id) {
case CLOCK_REALTIME:
nanotime(&ats);
nanotime(ats);
break;
case CLOCK_VIRTUAL:
PROC_LOCK(p);
calcru(p, &user, &sys);
PROC_UNLOCK(p);
TIMEVAL_TO_TIMESPEC(&user, &ats);
TIMEVAL_TO_TIMESPEC(&user, ats);
break;
case CLOCK_PROF:
PROC_LOCK(p);
calcru(p, &user, &sys);
PROC_UNLOCK(p);
timevaladd(&user, &sys);
TIMEVAL_TO_TIMESPEC(&user, &ats);
TIMEVAL_TO_TIMESPEC(&user, ats);
break;
case CLOCK_MONOTONIC:
nanouptime(&ats);
nanouptime(ats);
break;
default:
return (EINVAL);
}
return (copyout(&ats, uap->tp, sizeof(ats)));
return (0);
}
#ifndef _SYS_SYSPROTO_H_
@ -199,10 +211,20 @@ struct clock_settime_args {
int
clock_settime(struct thread *td, struct clock_settime_args *uap)
{
struct timeval atv;
struct timespec ats;
int error;
if ((error = copyin(uap->tp, &ats, sizeof(ats))) != 0)
return (error);
return (kern_clock_settime(td, uap->clock_id, &ats));
}
int
kern_clock_settime(struct thread *td, clockid_t clock_id, struct timespec *ats)
{
struct timeval atv;
int error;
#ifdef MAC
error = mac_check_system_settime(td->td_ucred);
if (error)
@ -210,14 +232,12 @@ clock_settime(struct thread *td, struct clock_settime_args *uap)
#endif
if ((error = suser(td)) != 0)
return (error);
if (uap->clock_id != CLOCK_REALTIME)
if (clock_id != CLOCK_REALTIME)
return (EINVAL);
if ((error = copyin(uap->tp, &ats, sizeof(ats))) != 0)
return (error);
if (ats.tv_nsec < 0 || ats.tv_nsec >= 1000000000)
if (ats->tv_nsec < 0 || ats->tv_nsec >= 1000000000)
return (EINVAL);
/* XXX Don't convert nsec->usec and back */
TIMESPEC_TO_TIMEVAL(&atv, &ats);
TIMESPEC_TO_TIMEVAL(&atv, ats);
error = settime(td, &atv);
return (error);
}
@ -233,9 +253,23 @@ int
clock_getres(struct thread *td, struct clock_getres_args *uap)
{
struct timespec ts;
int error;
ts.tv_sec = 0;
switch (uap->clock_id) {
if (uap->tp == NULL)
return (0);
error = kern_clock_getres(td, uap->clock_id, &ts);
if (error == 0)
error = copyout(&ts, uap->tp, sizeof(ts));
return (error);
}
int
kern_clock_getres(struct thread *td, clockid_t clock_id, struct timespec *ts)
{
ts->tv_sec = 0;
switch (clock_id) {
case CLOCK_REALTIME:
case CLOCK_MONOTONIC:
/*
@ -243,19 +277,17 @@ clock_getres(struct thread *td, struct clock_getres_args *uap)
* Rounding up is especially important if rounding down
* would give 0. Perfect rounding is unimportant.
*/
ts.tv_nsec = 1000000000 / tc_getfrequency() + 1;
ts->tv_nsec = 1000000000 / tc_getfrequency() + 1;
break;
case CLOCK_VIRTUAL:
case CLOCK_PROF:
/* Accurately round up here because we can do so cheaply. */
ts.tv_nsec = (1000000000 + hz - 1) / hz;
ts->tv_nsec = (1000000000 + hz - 1) / hz;
break;
default:
return (EINVAL);
}
if (uap->tp == NULL)
return (0);
return (copyout(&ts, uap->tp, sizeof(ts)));
return (0);
}
static int nanowait;

6
sys/sys/syscallsubr.h
View File

@ -60,6 +60,12 @@ int kern_chmod(struct thread *td, char *path, enum uio_seg pathseg,
int mode);
int kern_chown(struct thread *td, char *path, enum uio_seg pathseg, int uid,
int gid);
int kern_clock_getres(struct thread *td, clockid_t clock_id,
struct timespec *ts);
int kern_clock_gettime(struct thread *td, clockid_t clock_id,
struct timespec *ats);
int kern_clock_settime(struct thread *td, clockid_t clock_id,
struct timespec *ats);
int kern_connect(struct thread *td, int fd, struct sockaddr *sa);
int kern_execve(struct thread *td, struct image_args *args,
struct mac *mac_p);