/* Copyright (C) 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2004. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #include <errno.h> #include <pthread.h> #include <stdio.h> #include <stdlib.h> #include <time.h> static pthread_barrier_t b; static pthread_rwlock_t r = PTHREAD_RWLOCK_INITIALIZER; static void * tf (void *arg) { /* Lock the read-write lock. */ if (pthread_rwlock_wrlock (&r) != 0) { puts ("tf: cannot lock rwlock"); exit (EXIT_FAILURE); } pthread_t mt = *(pthread_t *) arg; pthread_barrier_wait (&b); /* This call will never return. */ pthread_join (mt, NULL); return NULL; } static int do_test (void) { int result = 0; struct timespec ts; if (clock_gettime (CLOCK_REALTIME, &ts) != 0) { puts ("clock_gettime failed"); return 1; } if (pthread_barrier_init (&b, NULL, 2) != 0) { puts ("barrier_init failed"); return 1; } pthread_t me = pthread_self (); pthread_t th; if (pthread_create (&th, NULL, tf, &me) != 0) { puts ("create failed"); return 1; } /* Wait until the rwlock is locked. */ pthread_barrier_wait (&b); ts.tv_nsec = -1; int e = pthread_rwlock_timedrdlock (&r, &ts); if (e == 0) { puts ("first rwlock_timedrdlock did not fail"); result = 1; } else if (e != EINVAL) { puts ("first rwlock_timedrdlock did not return EINVAL"); result = 1; } e = pthread_rwlock_timedwrlock (&r, &ts); if (e == 0) { puts ("first rwlock_timedwrlock did not fail"); result = 1; } else if (e != EINVAL) { puts ("first rwlock_timedwrlock did not return EINVAL"); result = 1; } ts.tv_nsec = 1000000000; e = pthread_rwlock_timedrdlock (&r, &ts); if (e == 0) { puts ("second rwlock_timedrdlock did not fail"); result = 1; } else if (e != EINVAL) { puts ("second rwlock_timedrdlock did not return EINVAL"); result = 1; } e = pthread_rwlock_timedrdlock (&r, &ts); if (e == 0) { puts ("second rwlock_timedrdlock did not fail"); result = 1; } else if (e != EINVAL) { puts ("second rwlock_timedrdlock did not return EINVAL"); result = 1; } ts.tv_nsec = 0x100001000LL; if (ts.tv_nsec != 0x100001000LL) ts.tv_nsec = 2000000000; e = pthread_rwlock_timedrdlock (&r, &ts); if (e == 0) { puts ("third rwlock_timedrdlock did not fail"); result = 1; } else if (e != EINVAL) { puts ("third rwlock_timedrdlock did not return EINVAL"); result = 1; } e = pthread_rwlock_timedrdlock (&r, &ts); if (e == 0) { puts ("third rwlock_timedrdlock did not fail"); result = 1; } else if (e != EINVAL) { puts ("third rwlock_timedrdlock did not return EINVAL"); result = 1; } if (result == 0) puts ("no bugs"); return result; } #define TEST_FUNCTION do_test () #include "../test-skeleton.c"