[rtems commit] score: Add _Watchdog_Is_valid_interval_timespec()

[Sebastian Huber]

Module:    rtems
Branch:    master
Commit:    d16d07fbb82132e185835382201243c5eab5417a
Changeset: http://git.rtems.org/rtems/commit/?id=d16d07fbb82132e185835382201243c5eab5417a

Author:    Sebastian Huber <sebastian.huber at embedded-brains.de>
Date:      Fri Oct 20 08:42:55 2017 +0200

score: Add _Watchdog_Is_valid_interval_timespec()

Update #3117.
Update #3182.

---

 cpukit/score/include/rtems/score/watchdogimpl.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/cpukit/score/include/rtems/score/watchdogimpl.h b/cpukit/score/include/rtems/score/watchdogimpl.h
index d9dfa36..9fc1f05 100644
--- a/cpukit/score/include/rtems/score/watchdogimpl.h
+++ b/cpukit/score/include/rtems/score/watchdogimpl.h
@@ -312,6 +312,13 @@ RTEMS_INLINE_ROUTINE bool _Watchdog_Is_valid_timespec(
     && (unsigned long) ts->tv_nsec < WATCHDOG_NANOSECONDS_PER_SECOND;
 }
 
+RTEMS_INLINE_ROUTINE bool _Watchdog_Is_valid_interval_timespec(
+  const struct timespec *ts
+)
+{
+  return _Watchdog_Is_valid_timespec( ts ) && ts->tv_sec >= 0;
+}
+
 RTEMS_INLINE_ROUTINE bool _Watchdog_Is_far_future_realtime_timespec(
   const struct timespec *ts
 )