39   int ret = pthread_mutex_lock (&mutex);  in thread_func()  local
40   if (ret != 0)  in thread_func()
41     FAIL ("pthread_mutex_lock (thread): %d", ret);  in thread_func()
48 	  ret = pthread_mutex_unlock (&mutex);  in thread_func()
49 	  if (ret != 0)  in thread_func()
50 	    FAIL ("pthread_mutex_unlock (thread): %d", ret);  in thread_func()
52 	  ret = pthread_mutex_lock (&mutex);  in thread_func()
53 	  if (ret != 0)  in thread_func()
54 	    FAIL ("pthread_mutex_lock (thread): %d", ret);  in thread_func()
56 	  ret = pthread_cond_signal (&cond_recv);  in thread_func()
57 	  if (ret != 0)  in thread_func()
58 	    FAIL ("pthread_cond_signal (recv): %d", ret);  in thread_func()
60       ret = pthread_cond_wait (&cond_send, &mutex);  in thread_func()
61       if (ret != 0)  in thread_func()
62 	FAIL ("pthread_cond_wait (send): %d", ret);  in thread_func()
70   int ret = pthread_mutex_lock (&mutex);  in run_on_thread()  local
71   if (ret != 0)  in run_on_thread()
72     FAIL ("pthread_mutex_lock (%s): %d", __func__, ret);  in run_on_thread()
74   ret = pthread_mutex_unlock (&mutex);  in run_on_thread()
75   if (ret != 0)  in run_on_thread()
76     FAIL ("pthread_mutex_unlock (%s): %d", __func__, ret);  in run_on_thread()
78   ret = pthread_cond_signal (&cond_send);  in run_on_thread()
79   if (ret != 0)  in run_on_thread()
80     FAIL ("pthread_mutex_lock (%s): %d", __func__, ret);  in run_on_thread()
82   ret = pthread_mutex_lock (&mutex);  in run_on_thread()
83   if (ret != 0)  in run_on_thread()
84     FAIL ("pthread_mutex_lock (%s): %d", __func__, ret);  in run_on_thread()
88       ret = pthread_cond_wait (&cond_recv, &mutex);  in run_on_thread()
89       if (ret != 0)  in run_on_thread()
90 	FAIL ("pthread_mutex_wait (%s): %d", __func__, ret);  in run_on_thread()
92   ret = pthread_mutex_unlock (&mutex);  in run_on_thread()
93   if (ret != 0)  in run_on_thread()
94     FAIL ("pthread_mutex_unlock (%s): %d", __func__, ret);  in run_on_thread()
100   long ret = syscall (__NR_setresuid, 2001, 2002, 2003);  in change_thread_ids()  local
101   if (ret != 0)  in change_thread_ids()
102     FAIL ("setresuid (2001, 2002, 2003): %ld", ret);  in change_thread_ids()
124   int ret = pthread_create (&thread, NULL, thread_func, NULL);  in do_test()  local
125   if (ret != 0)  in do_test()
126     FAIL ("pthread_create: %d", ret);  in do_test()