summaryrefslogtreecommitdiff
path: root/kernel/time/posix-timers.c
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/time/posix-timers.c')
-rw-r--r--kernel/time/posix-timers.c66
1 files changed, 62 insertions, 4 deletions
diff --git a/kernel/time/posix-timers.c b/kernel/time/posix-timers.c
index e82bb1fd614e..61a5fb91a3c7 100644
--- a/kernel/time/posix-timers.c
+++ b/kernel/time/posix-timers.c
@@ -1082,8 +1082,66 @@ SYSCALL_DEFINE2(clock_adjtime, const clockid_t, which_clock,
return err;
}
+SYSCALL_DEFINE2(clock_getres, const clockid_t, which_clock,
+ struct timespec __user *, tp)
+{
+ const struct k_clock *kc = clockid_to_kclock(which_clock);
+ struct timespec64 rtn_tp64;
+ struct timespec rtn_tp;
+ int error;
+
+ if (!kc)
+ return -EINVAL;
+
+ error = kc->clock_getres(which_clock, &rtn_tp64);
+ rtn_tp = timespec64_to_timespec(rtn_tp64);
+
+ if (!error && tp && copy_to_user(tp, &rtn_tp, sizeof (rtn_tp)))
+ error = -EFAULT;
+
+ return error;
+}
+
#ifdef CONFIG_COMPAT
+COMPAT_SYSCALL_DEFINE2(clock_settime, clockid_t, which_clock,
+ struct compat_timespec __user *, tp)
+{
+ const struct k_clock *kc = clockid_to_kclock(which_clock);
+ struct timespec64 new_tp64;
+ struct timespec new_tp;
+
+ if (!kc || !kc->clock_set)
+ return -EINVAL;
+
+ if (compat_get_timespec(&new_tp, tp))
+ return -EFAULT;
+
+ new_tp64 = timespec_to_timespec64(new_tp);
+
+ return kc->clock_set(which_clock, &new_tp64);
+}
+
+COMPAT_SYSCALL_DEFINE2(clock_gettime, clockid_t, which_clock,
+ struct compat_timespec __user *, tp)
+{
+ const struct k_clock *kc = clockid_to_kclock(which_clock);
+ struct timespec64 kernel_tp64;
+ struct timespec kernel_tp;
+ int error;
+
+ if (!kc)
+ return -EINVAL;
+
+ error = kc->clock_get(which_clock, &kernel_tp64);
+ kernel_tp = timespec64_to_timespec(kernel_tp64);
+
+ if (!error && compat_put_timespec(&kernel_tp, tp))
+ error = -EFAULT;
+
+ return error;
+}
+
COMPAT_SYSCALL_DEFINE2(clock_adjtime, clockid_t, which_clock,
struct compat_timex __user *, utp)
{
@@ -1107,10 +1165,9 @@ COMPAT_SYSCALL_DEFINE2(clock_adjtime, clockid_t, which_clock,
return err;
}
-#endif
-SYSCALL_DEFINE2(clock_getres, const clockid_t, which_clock,
- struct timespec __user *, tp)
+COMPAT_SYSCALL_DEFINE2(clock_getres, clockid_t, which_clock,
+ struct compat_timespec __user *, tp)
{
const struct k_clock *kc = clockid_to_kclock(which_clock);
struct timespec64 rtn_tp64;
@@ -1123,11 +1180,12 @@ SYSCALL_DEFINE2(clock_getres, const clockid_t, which_clock,
error = kc->clock_getres(which_clock, &rtn_tp64);
rtn_tp = timespec64_to_timespec(rtn_tp64);
- if (!error && tp && copy_to_user(tp, &rtn_tp, sizeof (rtn_tp)))
+ if (!error && tp && compat_put_timespec(&rtn_tp, tp))
error = -EFAULT;
return error;
}
+#endif
/*
* nanosleep for monotonic and realtime clocks