git://sourceware.org / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 76a50749 UD |
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 | #include <pthread.h> | |
| 21 | #include <stdio.h> | |
| 22 | #include <time.h> | |
| 23 | ||
| 24 | ||
| 25 | static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER; | |
| 26 | ||
| 27 | ||
| 28 | #define ROUNDS 1000 | |
| 29 | #define N 100 | |
| 30 | ||
| 31 | ||
| 32 | static void * | |
| 33 | tf (void *arg) | |
| 34 | { | |
| 35 | int nr = (long int) arg; | |
| 36 | int cnt; | |
| 37 | struct timespec ts = { .tv_sec = 0, .tv_nsec = 11000 }; | |
| 38 | ||
| 39 | for (cnt = 0; cnt < ROUNDS; ++cnt) | |
| 40 | { | |
| 41 | if (pthread_mutex_lock (&lock) != 0) | |
| 42 | { | |
| 43 | printf ("thread %d: failed to get the lock\n", nr); | |
| 44 | return (void *) 1l; | |
| 45 | } | |
| 46 | ||
| 47 | if (pthread_mutex_unlock (&lock) != 0) | |
| 48 | { | |
| 49 | printf ("thread %d: failed to release the lock\n", nr); | |
| 50 | return (void *) 1l; | |
| 51 | } | |
| 52 | ||
| 53 | nanosleep (&ts, NULL); | |
| 54 | } | |
| 55 | ||
| 56 | return NULL; | |
| 57 | } | |
| 58 | ||
| 59 | ||
| 60 | static int | |
| 61 | do_test (void) | |
| 62 | { | |
| 63 | pthread_t th[N]; | |
| 64 | int cnt; | |
| 65 | ||
| 66 | if (pthread_mutex_lock (&lock) != 0) | |
| 67 | { | |
| 68 | puts ("locking in parent failed"); | |
| 69 | return 1; | |
| 70 | } | |
| 71 | ||
| 72 | for (cnt = 0; cnt < N; ++cnt) | |
| 73 | if (pthread_create (&th[cnt], NULL, tf, (void *) (long int) cnt) != 0) | |
| 74 | { | |
| 75 | printf ("creating thread %d failed\n", cnt); | |
| 76 | return 1; | |
| 77 | } | |
| 78 | ||
| 79 | if (pthread_mutex_unlock (&lock) != 0) | |
| 80 | { | |
| 81 | puts ("unlocking in parent failed"); | |
| 82 | return 1; | |
| 83 | } | |
| 84 | ||
| 85 | for (cnt = 0; cnt < N; ++cnt) | |
| 86 | if (pthread_join (th[cnt], NULL) != 0) | |
| 87 | { | |
| 88 | printf ("joining thread %d failed\n", cnt); | |
| 89 | return 1; | |
| 90 | } | |
| 91 | ||
| 92 | return 0; | |
| 93 | } | |
| 94 | ||
| 95 | #define TIMEOUT 60 | |
| 96 | #define TEST_FUNCTION do_test () | |
| 97 | #include "../test-skeleton.c" |