summaryrefslogtreecommitdiffstats
path: root/cpukit/posix/src/clocknanosleep.c
diff options
context:
space:
mode:
Diffstat (limited to 'cpukit/posix/src/clocknanosleep.c')
-rw-r--r--cpukit/posix/src/clocknanosleep.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/cpukit/posix/src/clocknanosleep.c b/cpukit/posix/src/clocknanosleep.c
index 3fa890fecd..43f15346de 100644
--- a/cpukit/posix/src/clocknanosleep.c
+++ b/cpukit/posix/src/clocknanosleep.c
@@ -82,6 +82,15 @@ int clock_nanosleep(
rmtp = NULL;
} else {
absolute = false;
+
+ /*
+ * A relative CLOCK_REALTIME time out shall not be affected by
+ * CLOCK_REALTIME changes through clock_settime(). Since our
+ * CLOCK_REALTIME is basically just CLOCK_MONOTONIC plus an offset, we can
+ * simply use the CLOCK_MONOTONIC watchdog for relative CLOCK_REALTIME time
+ * outs.
+ */
+ clock_id = CLOCK_MONOTONIC;
}
if ( clock_id == CLOCK_REALTIME ) {
@@ -118,11 +127,8 @@ int clock_nanosleep(
struct timespec actual_end;
struct timespec planned_end;
- if ( clock_id == CLOCK_REALTIME ) {
- _Timecounter_Nanotime( &actual_end );
- } else {
- _Timecounter_Nanouptime( &actual_end );
- }
+ _Assert( clock_id == CLOCK_MONOTONIC );
+ _Timecounter_Nanouptime( &actual_end );
_Watchdog_Ticks_to_timespec(
executing->Timer.Watchdog.expire,