examples/performance-thread: check thread creation

There was a call for thread create function without result check.
Added result check and message printout after failure.

Coverity issue: 143441
Fixes: 433ba6228f9a ("examples/performance-thread: add pthread_shim app")

Signed-off-by: Jacek Piasecki <jacekx.piasecki@intel.com>
Acked-by: Michal Jastrzebski <michalx.k.jastrzebski@intel.com>

diff --git a/examples/performance-thread/pthread_shim/main.c b/examples/performance-thread/pthread_shim/main.c
index 850b009..febae39 100644 (file)
--- a/examples/performance-thread/pthread_shim/main.c
+++ b/examples/performance-thread/pthread_shim/main.c
@@ -161,6 +161,7 @@ static void initial_lthread(void *args __attribute__((unused)))
        pthread_override_set(1);
 
        uint64_t i;
+       int ret;
 
        /* initialize mutex for shared counter */
        print_count = 0;
@@ -187,7 +188,10 @@ static void initial_lthread(void *args __attribute__((unused)))
                pthread_attr_setaffinity_np(&attr, sizeof(rte_cpuset_t), &cpuset);
 
                /* create the thread */
-               pthread_create(&tid[i], &attr, helloworld_pthread, (void *) i);
+               ret = pthread_create(&tid[i], &attr,
+                               helloworld_pthread, (void *) i);
+               if (ret != 0)
+                       rte_exit(EXIT_FAILURE, "Cannot create helloworld thread\n");
        }
 
        /* wait for 1s to allow threads