| 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 | #include <pthread.h> |
| 20 | #include <signal.h> |
| 21 | #include <stdio.h> |
| 22 | #include <stdlib.h> |
| 23 | #include <unistd.h> |
| 24 | |
| 25 | |
| 26 | static pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER; |
| 27 | static pthread_rwlock_t r; |
| 28 | |
| 29 | |
| 30 | static void * |
| 31 | tf (void *arg) |
| 32 | { |
| 33 | if (pthread_rwlock_wrlock (&r) == 0) |
| 34 | { |
| 35 | puts ("child: rwlock_wrlock succeeded"); |
| 36 | exit (1); |
| 37 | } |
| 38 | |
| 39 | puts ("child: rwlock_wrlock returned"); |
| 40 | |
| 41 | exit (1); |
| 42 | } |
| 43 | |
| 44 | |
| 45 | static int |
| 46 | do_test (void) |
| 47 | { |
| 48 | pthread_t th; |
| 49 | |
| 50 | if (pthread_rwlock_init (&r, NULL) != 0) |
| 51 | { |
| 52 | puts ("rwlock_init failed"); |
| 53 | return 1; |
| 54 | } |
| 55 | |
| 56 | if (pthread_rwlock_wrlock (&r) != 0) |
| 57 | { |
| 58 | puts ("rwlock_wrlock failed"); |
| 59 | return 1; |
| 60 | } |
| 61 | |
| 62 | if (pthread_mutex_lock (&m) != 0) |
| 63 | { |
| 64 | puts ("mutex_lock failed"); |
| 65 | return 1; |
| 66 | } |
| 67 | |
| 68 | /* Set an alarm for 1 second. The wrapper will expect this. */ |
| 69 | alarm (1); |
| 70 | |
| 71 | if (pthread_create (&th, NULL, tf, NULL) != 0) |
| 72 | { |
| 73 | puts ("create failed"); |
| 74 | return 1; |
| 75 | } |
| 76 | |
| 77 | /* This call should never return. */ |
| 78 | pthread_mutex_lock (&m); |
| 79 | |
| 80 | puts ("2nd mutex_lock returned"); |
| 81 | return 1; |
| 82 | } |
| 83 | |
| 84 | #define EXPECTED_SIGNAL SIGALRM |
| 85 | #define TEST_FUNCTION do_test () |
| 86 | #include "../test-skeleton.c" |