diff options
Diffstat (limited to 'libhw_generic/alarmclock.c')
| -rw-r--r-- | libhw_generic/alarmclock.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libhw_generic/alarmclock.c b/libhw_generic/alarmclock.c index 3364f72..a16f2f6 100644 --- a/libhw_generic/alarmclock.c +++ b/libhw_generic/alarmclock.c @@ -15,7 +15,10 @@ static void alarmclock_sleep_intrhandler(void *_arg) { } void alarmclock_sleep_until_ns(implements_alarmclock *clock, uint64_t abstime_ns) { + bool saved = cr_save_and_disable_interrupts(); cid_t cid = cr_getcid(); struct alarmclock_trigger trigger; VCALL(clock, add_trigger, &trigger, abstime_ns, alarmclock_sleep_intrhandler, &cid); + cr_pause_and_yield(); + cr_restore_interrupts(saved); } |