| xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame] | 1 | /* Copyright (C) 2002-2016 Free Software Foundation, Inc. |
| 2 | This file is part of the GNU C Library. |
| 3 | Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. |
| 4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library; if not, see |
| 17 | <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | /* This test case checks more than standard compliance. An |
| 20 | implementation may provide this service but it is not required to |
| 21 | do so. */ |
| 22 | |
| 23 | #include <errno.h> |
| 24 | #include <pthread.h> |
| 25 | #include <stdio.h> |
| 26 | |
| 27 | |
| 28 | static int |
| 29 | do_test (void) |
| 30 | { |
| 31 | pthread_rwlock_t r; |
| 32 | int e; |
| 33 | |
| 34 | if (pthread_rwlock_init (&r, NULL) != 0) |
| 35 | { |
| 36 | puts ("rwlock_init failed"); |
| 37 | return 1; |
| 38 | } |
| 39 | puts ("rwlock_init succeeded"); |
| 40 | |
| 41 | if (pthread_rwlock_trywrlock (&r) != 0) |
| 42 | { |
| 43 | puts ("rwlock_trywrlock on unlocked rwlock failed"); |
| 44 | return 1; |
| 45 | } |
| 46 | puts ("rwlock_trywrlock on unlocked rwlock succeeded"); |
| 47 | |
| 48 | e = pthread_rwlock_rdlock (&r); |
| 49 | if (e == 0) |
| 50 | { |
| 51 | puts ("rwlock_rdlock on rwlock with writer succeeded"); |
| 52 | return 1; |
| 53 | } |
| 54 | if (e != EDEADLK) |
| 55 | { |
| 56 | puts ("rwlock_rdlock on rwlock with writer failed != EDEADLK"); |
| 57 | return 1; |
| 58 | } |
| 59 | puts ("rwlock_rdlock on rwlock with writer failed with EDEADLK"); |
| 60 | |
| 61 | e = pthread_rwlock_wrlock (&r); |
| 62 | if (e == 0) |
| 63 | { |
| 64 | puts ("rwlock_wrlock on rwlock with writer succeeded"); |
| 65 | return 1; |
| 66 | } |
| 67 | if (e != EDEADLK) |
| 68 | { |
| 69 | puts ("rwlock_wrlock on rwlock with writer failed != EDEADLK"); |
| 70 | return 1; |
| 71 | } |
| 72 | puts ("rwlock_wrlock on rwlock with writer failed with EDEADLK"); |
| 73 | |
| 74 | if (pthread_rwlock_unlock (&r) != 0) |
| 75 | { |
| 76 | puts ("rwlock_unlock failed"); |
| 77 | return 1; |
| 78 | } |
| 79 | puts ("rwlock_unlock succeeded"); |
| 80 | |
| 81 | if (pthread_rwlock_destroy (&r) != 0) |
| 82 | { |
| 83 | puts ("rwlock_destroy failed"); |
| 84 | return 1; |
| 85 | } |
| 86 | puts ("rwlock_destroy succeeded"); |
| 87 | |
| 88 | return 0; |
| 89 | } |
| 90 | |
| 91 | #define TEST_FUNCTION do_test () |
| 92 | #include "../test-skeleton.c" |