Implement compat32 wrappers for the ktimer_* syscalls.

Reported, reviewed and tested by:	Petr Salinger <Petr.Salinger@seznam.cz>
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week

3 files changed, 84 insertions, 5 deletions

diff --git a/sys/compat/freebsd32/freebsd32.h b/sys/compat/freebsd32/freebsd32.h
index a95b0e5..9b04965 100644
--- a/sys/compat/freebsd32/freebsd32.h
+++ b/sys/compat/freebsd32/freebsd32.h
@@ -69,6 +69,15 @@ struct timespec32 {
 	CP((src).fld,(dst).fld,tv_nsec);	\
 } while (0)
 
+struct itimerspec32 {
+	struct timespec32  it_interval;
+	struct timespec32  it_value;
+};
+#define ITS_CP(src, dst) do {			\
+	TS_CP((src), (dst), it_interval);	\
+	TS_CP((src), (dst), it_value);		\
+} while (0)
+
 struct rusage32 {
 	struct timeval32 ru_utime;
 	struct timeval32 ru_stime;
diff --git a/sys/compat/freebsd32/freebsd32_misc.c b/sys/compat/freebsd32/freebsd32_misc.c
index 13d2bcb..4899e03 100644
--- a/sys/compat/freebsd32/freebsd32_misc.c
+++ b/sys/compat/freebsd32/freebsd32_misc.c
@@ -2331,6 +2331,70 @@ freebsd32_clock_getres(struct thread *td,
 	return (error);
 }
 
+int freebsd32_ktimer_create(struct thread *td,
+    struct freebsd32_ktimer_create_args *uap)
+{
+	struct sigevent32 ev32;
+	struct sigevent ev, *evp;
+	int error, id;
+
+	if (uap->evp == NULL) {
+		evp = NULL;
+	} else {
+		evp = &ev;
+		error = copyin(uap->evp, &ev32, sizeof(ev32));
+		if (error != 0)
+			return (error);
+		error = convert_sigevent32(&ev32, &ev);
+		if (error != 0)
+			return (error);
+	}
+	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_ktimer_delete(td, id);
+	}
+	return (error);
+}
+
+int
+freebsd32_ktimer_settime(struct thread *td,
+    struct freebsd32_ktimer_settime_args *uap)
+{
+	struct itimerspec32 val32, oval32;
+	struct itimerspec val, oval, *ovalp;
+	int error;
+
+	error = copyin(uap->value, &val32, sizeof(val32));
+	if (error != 0)
+		return (error);
+	ITS_CP(val32, val);
+	ovalp = uap->ovalue != NULL ? &oval : NULL;
+	error = kern_ktimer_settime(td, uap->timerid, uap->flags, &val, ovalp);
+	if (error == 0 && uap->ovalue != NULL) {
+		ITS_CP(oval, oval32);
+		error = copyout(&oval32, uap->ovalue, sizeof(oval32));
+	}
+	return (error);
+}
+
+int
+freebsd32_ktimer_gettime(struct thread *td,
+    struct freebsd32_ktimer_gettime_args *uap)
+{
+	struct itimerspec32 val32;
+	struct itimerspec val;
+	int error;
+
+	error = kern_ktimer_gettime(td, uap->timerid, &val);
+	if (error == 0) {
+		ITS_CP(val, val32);
+		error = copyout(&val32, uap->value, sizeof(val32));
+	}
+	return (error);
+}
+
 int
 freebsd32_clock_getcpuclockid2(struct thread *td,
     struct freebsd32_clock_getcpuclockid2_args *uap)
diff --git a/sys/compat/freebsd32/syscalls.master b/sys/compat/freebsd32/syscalls.master
index e058f6a..daee72c 100644
--- a/sys/compat/freebsd32/syscalls.master
+++ b/sys/compat/freebsd32/syscalls.master
@@ -441,11 +441,17 @@
 				    const struct timespec32 *tp); }
 234	AUE_NULL	STD	{ 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
-238	AUE_NULL	UNIMPL	timer_gettime
-239	AUE_NULL	UNIMPL	timer_getoverrun
+235	AUE_NULL	STD	{ int freebsd32_ktimer_create(\
+				    clockid_t clock_id, \
+				    struct sigevent32 *evp, int *timerid); }
+236	AUE_NULL	NOPROTO	{ int ktimer_delete(int timerid); }
+237	AUE_NULL	STD	{ int freebsd32_ktimer_settime(int timerid,\
+				    int flags, \
+				    const struct itimerspec32 *value, \
+				    struct itimerspec32 *ovalue); }
+238	AUE_NULL	STD	{ int freebsd32_ktimer_gettime(int timerid,\
+				    struct itimerspec32 *value); }
+239	AUE_NULL	NOPROTO	{ int ktimer_getoverrun(int timerid); }
 240	AUE_NULL	STD	{ int freebsd32_nanosleep( \
 				    const struct timespec32 *rqtp, \
 				    struct timespec32 *rmtp); }