| xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame] | 1 | /* This tests destruction of a barrier right after waiting on it. |
| 2 | Copyright (C) 2004-2016 Free Software Foundation, Inc. |
| 3 | This file is part of the GNU C Library. |
| 4 | Contributed by Ulrich Drepper <drepper@redhat.com>, 2004. |
| 5 | |
| 6 | The GNU C Library is free software; you can redistribute it and/or |
| 7 | modify it under the terms of the GNU Lesser General Public |
| 8 | License as published by the Free Software Foundation; either |
| 9 | version 2.1 of the License, or (at your option) any later version. |
| 10 | |
| 11 | The GNU C Library is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | Lesser General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU Lesser General Public |
| 17 | License along with the GNU C Library; if not, see |
| 18 | <http://www.gnu.org/licenses/>. */ |
| 19 | |
| 20 | #include <errno.h> |
| 21 | #include <pthread.h> |
| 22 | #include <stdio.h> |
| 23 | #include <stdlib.h> |
| 24 | |
| 25 | |
| 26 | static pthread_barrier_t b1; |
| 27 | static pthread_barrier_t b2; |
| 28 | |
| 29 | |
| 30 | #define N 20 |
| 31 | |
| 32 | static void * |
| 33 | tf (void *arg) |
| 34 | { |
| 35 | int round = 0; |
| 36 | |
| 37 | while (round++ < 30) |
| 38 | { |
| 39 | if (pthread_barrier_wait (&b1) == PTHREAD_BARRIER_SERIAL_THREAD) |
| 40 | { |
| 41 | pthread_barrier_destroy (&b1); |
| 42 | if (pthread_barrier_init (&b1, NULL, N) != 0) |
| 43 | { |
| 44 | puts ("tf: 1st barrier_init failed"); |
| 45 | exit (1); |
| 46 | } |
| 47 | } |
| 48 | |
| 49 | if (pthread_barrier_wait (&b2) == PTHREAD_BARRIER_SERIAL_THREAD) |
| 50 | { |
| 51 | pthread_barrier_destroy (&b2); |
| 52 | if (pthread_barrier_init (&b2, NULL, N) != 0) |
| 53 | { |
| 54 | puts ("tf: 2nd barrier_init failed"); |
| 55 | exit (1); |
| 56 | } |
| 57 | } |
| 58 | } |
| 59 | |
| 60 | return NULL; |
| 61 | } |
| 62 | |
| 63 | |
| 64 | static int |
| 65 | do_test (void) |
| 66 | { |
| 67 | pthread_attr_t at; |
| 68 | int cnt; |
| 69 | |
| 70 | if (pthread_attr_init (&at) != 0) |
| 71 | { |
| 72 | puts ("attr_init failed"); |
| 73 | return 1; |
| 74 | } |
| 75 | |
| 76 | if (pthread_attr_setstacksize (&at, 1 * 1024 * 1024) != 0) |
| 77 | { |
| 78 | puts ("attr_setstacksize failed"); |
| 79 | return 1; |
| 80 | } |
| 81 | |
| 82 | if (pthread_barrier_init (&b1, NULL, N) != 0) |
| 83 | { |
| 84 | puts ("1st barrier_init failed"); |
| 85 | return 1; |
| 86 | } |
| 87 | |
| 88 | if (pthread_barrier_init (&b2, NULL, N) != 0) |
| 89 | { |
| 90 | puts ("2nd barrier_init failed"); |
| 91 | return 1; |
| 92 | } |
| 93 | |
| 94 | pthread_t th[N - 1]; |
| 95 | for (cnt = 0; cnt < N - 1; ++cnt) |
| 96 | if (pthread_create (&th[cnt], &at, tf, NULL) != 0) |
| 97 | { |
| 98 | puts ("pthread_create failed"); |
| 99 | return 1; |
| 100 | } |
| 101 | |
| 102 | if (pthread_attr_destroy (&at) != 0) |
| 103 | { |
| 104 | puts ("attr_destroy failed"); |
| 105 | return 1; |
| 106 | } |
| 107 | |
| 108 | tf (NULL); |
| 109 | |
| 110 | for (cnt = 0; cnt < N - 1; ++cnt) |
| 111 | if (pthread_join (th[cnt], NULL) != 0) |
| 112 | { |
| 113 | puts ("pthread_join failed"); |
| 114 | return 1; |
| 115 | } |
| 116 | |
| 117 | return 0; |
| 118 | } |
| 119 | |
| 120 | #define TEST_FUNCTION do_test () |
| 121 | #include "../test-skeleton.c" |