| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame^] | 1 | /* Copyright (C) 2002 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, write to the Free |
| 17 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 18 | 02111-1307 USA. */ |
| 19 | |
| 20 | /* This test case checks more than standard compliance. An |
| 21 | implementation may provide this service but it is not required to |
| 22 | do so. */ |
| 23 | |
| 24 | #include <errno.h> |
| 25 | #include <pthread.h> |
| 26 | #include <stdio.h> |
| 27 | |
| 28 | |
| 29 | static int |
| 30 | do_test (void) |
| 31 | { |
| 32 | pthread_rwlock_t r; |
| 33 | int e; |
| 34 | |
| 35 | if (pthread_rwlock_init (&r, NULL) != 0) |
| 36 | { |
| 37 | puts ("rwlock_init failed"); |
| 38 | return 1; |
| 39 | } |
| 40 | puts ("rwlock_init succeeded"); |
| 41 | |
| 42 | if (pthread_rwlock_trywrlock (&r) != 0) |
| 43 | { |
| 44 | puts ("rwlock_trywrlock on unlocked rwlock failed"); |
| 45 | return 1; |
| 46 | } |
| 47 | puts ("rwlock_trywrlock on unlocked rwlock succeeded"); |
| 48 | |
| 49 | e = pthread_rwlock_rdlock (&r); |
| 50 | if (e == 0) |
| 51 | { |
| 52 | puts ("rwlock_rdlock on rwlock with writer succeeded"); |
| 53 | return 1; |
| 54 | } |
| 55 | if (e != EDEADLK) |
| 56 | { |
| 57 | puts ("rwlock_rdlock on rwlock with writer failed != EDEADLK"); |
| 58 | return 1; |
| 59 | } |
| 60 | puts ("rwlock_rdlock on rwlock with writer failed with EDEADLK"); |
| 61 | |
| 62 | e = pthread_rwlock_wrlock (&r); |
| 63 | if (e == 0) |
| 64 | { |
| 65 | puts ("rwlock_wrlock on rwlock with writer succeeded"); |
| 66 | return 1; |
| 67 | } |
| 68 | if (e != EDEADLK) |
| 69 | { |
| 70 | puts ("rwlock_wrlock on rwlock with writer failed != EDEADLK"); |
| 71 | return 1; |
| 72 | } |
| 73 | puts ("rwlock_wrlock on rwlock with writer failed with EDEADLK"); |
| 74 | |
| 75 | if (pthread_rwlock_unlock (&r) != 0) |
| 76 | { |
| 77 | puts ("rwlock_unlock failed"); |
| 78 | return 1; |
| 79 | } |
| 80 | puts ("rwlock_unlock succeeded"); |
| 81 | |
| 82 | if (pthread_rwlock_destroy (&r) != 0) |
| 83 | { |
| 84 | puts ("rwlock_destroy failed"); |
| 85 | return 1; |
| 86 | } |
| 87 | puts ("rwlock_destroy succeeded"); |
| 88 | |
| 89 | return 0; |
| 90 | } |
| 91 | |
| 92 | #define TEST_FUNCTION do_test () |
| 93 | #include "../test-skeleton.c" |