BUG/MINOR: thread: add a check for pthread_create

preload_libgcc_s() use pthread_create to create a thread and then call
pthread_join to use it, but it doesn't check if the option is successful.
So add a check to aviod potential crash.

diff --git a/src/thread.c b/src/thread.c
index d7128252ed0ea4f258369163280bcf409eb9c429..b41b6628a4cbbb4e490a0f18baaf5af752c08bf7 100644 (file)
--- a/src/thread.c
+++ b/src/thread.c
@@ -1066,8 +1066,8 @@ static void *dummy_thread_function(void *data)
 static inline void preload_libgcc_s(void)
 {
        pthread_t dummy_thread;
-       pthread_create(&dummy_thread, NULL, dummy_thread_function, NULL);
-       pthread_join(dummy_thread, NULL);
+       if (pthread_create(&dummy_thread, NULL, dummy_thread_function, NULL) == 0)
+               pthread_join(dummy_thread, NULL);
 }
 
 static void __thread_init(void)