[LTP] [PATCH 1/2] pthread_mutex_lock/3-1: make sure install signal hanldler first

[Kang Kai <kai.kang@windriver.com>]

Test case failed for linux in some platform. Make parent thread
sleep for a while to make sure that signal handlers are installed
before send signal USR1 and USR2.

Signed-off-by: Kang Kai <kai.kang@windriver.com>
---
 .../interfaces/pthread_mutex_lock/3-1.c            |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/testcases/open_posix_testsuite/conformance/interfaces/pthread_mutex_lock/3-1.c b/testcases/open_posix_testsuite/conformance/interfaces/pthread_mutex_lock/3-1.c
index 771851d..a648c96 100644
--- a/testcases/open_posix_testsuite/conformance/interfaces/pthread_mutex_lock/3-1.c
+++ b/testcases/open_posix_testsuite/conformance/interfaces/pthread_mutex_lock/3-1.c
@@ -307,6 +307,8 @@ int main (int argc, char * argv[])
 	if ((ret = pthread_create(&th_work, NULL, threaded, NULL)))
 	{ UNRESOLVED(ret, "Worker thread creation failed"); }
 
+	sleep(1);
+
 	arg1.thr = &th_work;
 	arg2.thr = &th_work;
 	arg1.sig = SIGUSR1;
@@ -359,4 +361,4 @@ int main (int argc, char * argv[])
 	#endif
 	#endif
 	PASSED;
-}
\ No newline at end of file
+}
-- 
1.7.5.4


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