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linux(4): Implement clock_settime64 system call.

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MFC after:	2 weeks
This commit is contained in:
Dmitry Chagin 2021-06-07 05:11:25 +03:00
parent 9e07ae7a09
commit 19f9a0e4df
5 changed files with 62 additions and 21 deletions
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1
sys/amd64/linux32/linux32_dummy_machdep.c
View File

@ -67,7 +67,6 @@ DUMMY(mq_getsetattr);
/* Linux 4.11: */
DUMMY(arch_prctl);
/* Linux 5.0: */
DUMMY(clock_settime64);
DUMMY(clock_adjtime64);
DUMMY(clock_getres_time64);
DUMMY(clock_nanosleep_time64);

5
sys/amd64/linux32/syscalls.master
View File

@ -2347,7 +2347,10 @@
);
}
404 AUE_NULL STD {
int linux_clock_settime64(void);
int linux_clock_settime64(
clockid_t which,
struct l_timespec64 *tp
);
}
405 AUE_NULL STD {
int linux_clock_adjtime64(void);

71
sys/compat/linux/linux_time.c
View File

@ -87,8 +87,13 @@ LIN_SDT_PROBE_DEFINE1(time, linux_clock_gettime64, gettime_error, "int");
LIN_SDT_PROBE_DEFINE1(time, linux_clock_gettime64, copyout_error, "int");
#endif
LIN_SDT_PROBE_DEFINE1(time, linux_clock_settime, conversion_error, "int");
LIN_SDT_PROBE_DEFINE1(time, linux_clock_settime, settime_error, "int");
LIN_SDT_PROBE_DEFINE1(time, linux_common_clock_settime, settime_error, "int");
LIN_SDT_PROBE_DEFINE1(time, linux_common_clock_settime, conversion_error, "int");
LIN_SDT_PROBE_DEFINE1(time, linux_clock_settime, copyin_error, "int");
#if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
LIN_SDT_PROBE_DEFINE1(time, linux_clock_settime64, conversion_error, "int");
LIN_SDT_PROBE_DEFINE1(time, linux_clock_settime64, copyin_error, "int");
#endif
LIN_SDT_PROBE_DEFINE0(time, linux_clock_getres, nullcall);
LIN_SDT_PROBE_DEFINE1(time, linux_clock_getres, conversion_error, "int");
LIN_SDT_PROBE_DEFINE1(time, linux_clock_getres, getres_error, "int");
@ -104,6 +109,8 @@ LIN_SDT_PROBE_DEFINE1(time, linux_clock_nanosleep, unsupported_clockid, "int");
static int linux_common_clock_gettime(struct thread *, clockid_t,
struct timespec *);
static int linux_common_clock_settime(struct thread *, clockid_t,
struct timespec *);
int
native_to_linux_timespec(struct l_timespec *ltp, struct timespec *ntp)
@ -414,40 +421,70 @@ linux_clock_gettime64(struct thread *td, struct linux_clock_gettime64_args *args
}
#endif
static int
linux_common_clock_settime(struct thread *td, clockid_t which,
struct timespec *ts)
{
int error;
clockid_t nwhich;
error = linux_to_native_clockid(&nwhich, which);
if (error != 0) {
linux_msg(curthread,
"unsupported clock_settime clockid %d", which);
LIN_SDT_PROBE1(time, linux_common_clock_settime, conversion_error,
error);
return (error);
}
error = kern_clock_settime(td, nwhich, ts);
if (error != 0)
LIN_SDT_PROBE1(time, linux_common_clock_settime,
settime_error, error);
return (error);
}
int
linux_clock_settime(struct thread *td, struct linux_clock_settime_args *args)
{
struct timespec ts;
struct l_timespec lts;
int error;
clockid_t nwhich;
error = linux_to_native_clockid(&nwhich, args->which);
if (error != 0) {
linux_msg(curthread,
"unsupported clock_settime clockid %d", args->which);
LIN_SDT_PROBE1(time, linux_clock_settime, conversion_error,
error);
return (error);
}
error = copyin(args->tp, &lts, sizeof lts);
error = copyin(args->tp, &lts, sizeof(lts));
if (error != 0) {
LIN_SDT_PROBE1(time, linux_clock_settime, copyin_error, error);
return (error);
}
error = linux_to_native_timespec(&ts, &lts);
if (error != 0) {
if (error != 0)
LIN_SDT_PROBE1(time, linux_clock_settime, conversion_error,
error);
return (linux_common_clock_settime(td, args->which, &ts));
}
#if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
int
linux_clock_settime64(struct thread *td, struct linux_clock_settime64_args *args)
{
struct timespec ts;
struct l_timespec64 lts;
int error;
error = copyin(args->tp, &lts, sizeof(lts));
if (error != 0) {
LIN_SDT_PROBE1(time, linux_clock_settime64, copyin_error, error);
return (error);
}
error = kern_clock_settime(td, nwhich, &ts);
error = linux_to_native_timespec64(&ts, &lts);
if (error != 0)
LIN_SDT_PROBE1(time, linux_clock_settime, settime_error, error);
return (error);
LIN_SDT_PROBE1(time, linux_clock_settime64, conversion_error,
error);
return (linux_common_clock_settime(td, args->which, &ts));
}
#endif
int
linux_clock_getres(struct thread *td, struct linux_clock_getres_args *args)

1
sys/i386/linux/linux_dummy_machdep.c
View File

@ -69,7 +69,6 @@ DUMMY(vm86old);
/* Linux 4.11: */
DUMMY(arch_prctl);
/* Linux 5.0: */
DUMMY(clock_settime64);
DUMMY(clock_adjtime64);
DUMMY(clock_getres_time64);
DUMMY(clock_nanosleep_time64);

5
sys/i386/linux/syscalls.master
View File

@ -2365,7 +2365,10 @@
);
}
404 AUE_NULL STD {
int linux_clock_settime64(void);
int linux_clock_settime64(
clockid_t which,
struct l_timespec64 *tp
);
}
405 AUE_NULL STD {
int linux_clock_adjtime64(void);