Something

 int ast_pthread_create(pthread_t *thread, pthread_attr_t *attr, void *(*start_routine)(void *)
, void *data)
 {
        pthread_attr_t lattr;
+       int ret;
+
+       //printf("creating thread\n");
        if (!attr) {
                pthread_attr_init(&lattr);
                attr = &lattr;
        }
        errno = pthread_attr_setstacksize(attr, PTHREAD_ATTR_STACKSIZE);
-       if (errno)
+       if (errno) {
                ast_log(LOG_WARNING, "pthread_attr_setstacksize returned non-zero: %s\n", strer
ror(errno));
-       return pthread_create(thread, attr, start_routine, data); /* We're in ast_pthread_creat
e, so it's okay */
+               printf("pthread_attr_setstacksize returned non-zero: %s\n", strerror(errno));
+               exit(0);
+       }
+
+       ret = pthread_create(thread, attr, start_routine, data); /* We're in ast_pthread_create
, so it's okay */
+       return ret;
 }
+
 #endif /* ! LINUX */