Module: xenomai-3
Branch: master
Commit: 3fa7c63c33920aa89490ae42538944d81815bf05
URL:    
http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=3fa7c63c33920aa89490ae42538944d81815bf05

Author: Maciej Sumiński <maciej.sumin...@cern.ch>
Date:   Fri Dec  2 09:59:00 2016 +0100

testsuite/cyclictest: silence UMR false-positive with GCC 6.x

cyclictest.c: In function ‘timerthread’:
cyclictest.c:347:30: error: ‘*((void *)&stop+8)’ may be used
uninitialized in this function [-Werror=maybe-uninitialized]
  diff += ((int) t1.tv_nsec - (int) t2.tv_nsec) / 1000;
                              ^~~~~~~~~~~~~~~~
cyclictest.c:760:39: note: ‘*((void *)&stop+8)’ was declared here
  struct timespec now, next, interval, stop;
                                       ^~~~
cyclictest.c:346:54: error: ‘stop.tv_sec’ may be used uninitialized in
this function [-Werror=maybe-uninitialized]
  diff = USEC_PER_SEC * (long long)((int) t1.tv_sec - (int) t2.tv_sec);
                                                      ^~~~~~~~~~~~~~~
cyclictest.c:760:39: note: ‘stop.tv_sec’ was declared here
  struct timespec now, next, interval, stop;
                                       ^~~~

---

 demo/posix/cyclictest/cyclictest.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/demo/posix/cyclictest/cyclictest.c 
b/demo/posix/cyclictest/cyclictest.c
index 3bb4386..31d9e5d 100644
--- a/demo/posix/cyclictest/cyclictest.c
+++ b/demo/posix/cyclictest/cyclictest.c
@@ -734,7 +734,7 @@ static inline void barrier_wait(struct thread_barrier 
*barrier)
                while (barrier->count > 0)
                        pthread_cond_wait(&barrier->wait, &barrier->lock);
        }
-       
+
        pthread_mutex_unlock(&barrier->lock);
 }
 
@@ -832,8 +832,9 @@ void *timerthread(void *param)
        next.tv_nsec += interval.tv_nsec;
        tsnorm(&next);
 
+       memset(&stop, 0, sizeof(stop)); /* grrr */
+
        if (duration) {
-               memset(&stop, 0, sizeof(stop)); /* grrr */
                stop = now;
                stop.tv_sec += duration;
        }


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