40    int r;  in main()  local
76      r= pthread_create( &child, NULL, racy_child, NULL ); assert(!r);  in main()
79      r= pthread_join( child, NULL ); assert(!r);  in main()
83    r= pthread_join( pthread_self(), NULL ); assert(r);  in main()
92    r= pthread_mutex_init( &mx, &mxa );  in main()
94    assert(r); /* glibc >= 2.4: the call should fail */  in main()
96    assert(!r); /* glibc < 2.4: oh well, glibc didn't bounce this */  in main()
100    r= pthread_mutex_init( &mx2, NULL ); assert(!r);  in main()
101    r= pthread_mutex_lock( &mx2 ); assert(!r);  in main()
102    r= pthread_mutex_destroy( &mx2 ); assert(r);  in main()
108    r= pthread_mutex_lock( &mx3 ); assert(r);  in main()
116    r= pthread_mutex_trylock( &mx3 ); assert(r);  in main()
121    r= pthread_mutex_timedlock( &mx3, &abstime ); assert(r);  in main()
125    r= pthread_mutex_unlock( &mx3 );  in main()
127    assert(r);  in main()
129    assert(!r);  in main()
142    r= pthread_mutexattr_init( &mxa2 ); assert(!r);  in main()
143    r= pthread_mutexattr_settype( &mxa2, PTHREAD_MUTEX_ERRORCHECK );  in main()
144       assert(!r);  in main()
145    r= pthread_mutex_init( &mx4, &mxa2 ); assert(!r);  in main()
146    r= pthread_cond_init( &cv, NULL ); assert(!r);  in main()
147    r= pthread_cond_wait( &cv, &mx4 ); assert(r);  in main()
148    r= pthread_mutexattr_destroy( &mxa2 ); assert(!r);  in main()
152    r= pthread_cond_signal( &cv ); assert(!r);  in main()
158    r= pthread_cond_broadcast( &cv ); assert(!r);  in main()
165    r= pthread_cond_timedwait( &cv, &mx4, &abstime ); assert(r);  in main()
178    r= pthread_rwlock_init( &rwl, NULL ); assert(!r);  in main()
179    r= pthread_rwlock_unlock( &rwl );   in main()
186    r= pthread_rwlock_init( &rwl2, NULL ); assert(!r);  in main()
190    r= pthread_rwlock_wrlock( &rwl2 ); assert(!r);  in main()
193    r= pthread_rwlock_unlock( &rwl2 ); assert(!r);  in main()
196    r= pthread_rwlock_unlock( &rwl2 ); assert(!r);  in main()
199    r= pthread_rwlock_init( &rwl2, NULL ); assert(!r);  in main()
202    r= pthread_rwlock_rdlock( &rwl2 ); assert(!r);  in main()
204    r= pthread_rwlock_rdlock( &rwl2 ); assert(!r);  in main()
207    r= pthread_rwlock_unlock( &rwl2 ); assert(!r);  in main()
209    r= pthread_rwlock_unlock( &rwl2 ); assert(!r);  in main()
212    r= pthread_rwlock_unlock( &rwl2 ); assert(!r);  in main()
216    r= pthread_rwlock_init( &rwl3, NULL ); assert(!r);  in main()
217    r= pthread_rwlock_rdlock( &rwl3 ); assert(!r);  in main()
228    r= sem_init(&s1, 0, ~0); assert(r);  in main()
231    r= sem_init(&s1, 0, 0);  in main()
242    r= sem_wait(&s1); /* assert(r != 0); */  in main()
245    r= sem_post(&s1);  in main()