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-rw-r--r--nptl/tst-cancel4.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/nptl/tst-cancel4.c b/nptl/tst-cancel4.c
index d6d9f69f5f..8af6d422ce 100644
--- a/nptl/tst-cancel4.c
+++ b/nptl/tst-cancel4.c
@@ -776,6 +776,7 @@ tf_sigwait (void *arg)
 
   /* Block SIGUSR1.  */
   sigset_t mask;
+  sigemptyset (&mask);
   sigaddset (&mask, SIGUSR1);
   if (pthread_sigmask (SIG_BLOCK, &mask, NULL) != 0)
     {
@@ -819,6 +820,7 @@ tf_sigwaitinfo (void *arg)
 
   /* Block SIGUSR1.  */
   sigset_t mask;
+  sigemptyset (&mask);
   sigaddset (&mask, SIGUSR1);
   if (pthread_sigmask (SIG_BLOCK, &mask, NULL) != 0)
     {
@@ -863,6 +865,7 @@ tf_sigtimedwait (void *arg)
 
   /* Block SIGUSR1.  */
   sigset_t mask;
+  sigemptyset (&mask);
   sigaddset (&mask, SIGUSR1);
   if (pthread_sigmask (SIG_BLOCK, &mask, NULL) != 0)
     {