[PATCH 1/2] posix: Fix use of clock for relative times

[Sebastian Huber]

Close #4426.
---
 cpukit/posix/src/clocknanosleep.c | 26 +++++++++++++-------------
 1 file changed, 13 insertions(+), 13 deletions(-)

diff --git a/cpukit/posix/src/clocknanosleep.c b/cpukit/posix/src/clocknanosleep.c
index 951268bc1f..eb7f231e86 100644
--- a/cpukit/posix/src/clocknanosleep.c
+++ b/cpukit/posix/src/clocknanosleep.c
@@ -61,21 +61,17 @@ int clock_nanosleep(
 
   if ( ( flags & TIMER_ABSTIME ) != 0 ) {
     end = rqtp;
-
-    if ( clock_id == CLOCK_REALTIME ) {
-      _Thread_queue_Context_set_enqueue_timeout_realtime_timespec(
-        &queue_context,
-        end
-      );
-    } else {
-      _Thread_queue_Context_set_enqueue_timeout_monotonic_timespec(
-        &queue_context,
-        end
-      );
-    }
   } else {
     _Timecounter_Nanouptime( &uptime );
     end = _Watchdog_Future_timespec( &uptime, rqtp );
+  }
+
+  if ( clock_id == CLOCK_REALTIME ) {
+    _Thread_queue_Context_set_enqueue_timeout_realtime_timespec(
+      &queue_context,
+      end
+    );
+  } else {
     _Thread_queue_Context_set_enqueue_timeout_monotonic_timespec(
       &queue_context,
       end
@@ -101,7 +97,11 @@ int clock_nanosleep(
     if ( eno == EINTR ) {
       struct timespec actual_end;
 
-      _Timecounter_Nanouptime( &actual_end );
+      if ( clock_id == CLOCK_REALTIME ) {
+        _Timecounter_Nanotime( &actual_end );
+      } else {
+        _Timecounter_Nanouptime( &actual_end );
+      }
 
       if ( _Timespec_Less_than( &actual_end, end ) ) {
         _Timespec_Subtract( &actual_end, end, rmtp );
-- 
2.26.2