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Diffstat (limited to 'test/nptl/tst-rwlock14.c')
| -rw-r--r-- | test/nptl/tst-rwlock14.c | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/test/nptl/tst-rwlock14.c b/test/nptl/tst-rwlock14.c new file mode 100644 index 000000000..fc0d3d219 --- /dev/null +++ b/test/nptl/tst-rwlock14.c @@ -0,0 +1,169 @@ +/* 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" |