| /* Copyright (C) 2003 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Jakub Jelinek <jakub@redhat.com>, 2003. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, write to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. */ |
| |
| #include <errno.h> |
| #include <pthread.h> |
| #include <stdbool.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <time.h> |
| #include <sys/time.h> |
| |
| |
| typedef struct |
| { |
| pthread_cond_t cond; |
| pthread_mutex_t lock; |
| pthread_t h; |
| } T; |
| |
| |
| static volatile bool done; |
| |
| |
| static void * |
| tf (void *arg) |
| { |
| puts ("child created"); |
| |
| if (pthread_setcancelstate (PTHREAD_CANCEL_ENABLE, NULL) != 0 |
| || pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, NULL) != 0) |
| { |
| puts ("cannot set cancellation options"); |
| exit (1); |
| } |
| |
| T *t = (T *) arg; |
| |
| if (pthread_mutex_lock (&t->lock) != 0) |
| { |
| puts ("child: lock failed"); |
| exit (1); |
| } |
| |
| done = true; |
| |
| if (pthread_cond_signal (&t->cond) != 0) |
| { |
| puts ("child: cond_signal failed"); |
| exit (1); |
| } |
| |
| if (pthread_cond_wait (&t->cond, &t->lock) != 0) |
| { |
| puts ("child: cond_wait failed"); |
| exit (1); |
| } |
| |
| if (pthread_mutex_unlock (&t->lock) != 0) |
| { |
| puts ("child: unlock failed"); |
| exit (1); |
| } |
| |
| return NULL; |
| } |
| |
| |
| static int |
| do_test (void) |
| { |
| int i; |
| #define N 100 |
| T *t[N]; |
| for (i = 0; i < N; ++i) |
| { |
| printf ("round %d\n", i); |
| |
| t[i] = (T *) malloc (sizeof (T)); |
| if (t[i] == NULL) |
| { |
| puts ("out of memory"); |
| exit (1); |
| } |
| |
| if (pthread_mutex_init (&t[i]->lock, NULL) != 0 |
| || pthread_cond_init (&t[i]->cond, NULL) != 0) |
| { |
| puts ("an _init function failed"); |
| exit (1); |
| } |
| |
| if (pthread_mutex_lock (&t[i]->lock) != 0) |
| { |
| puts ("initial mutex_lock failed"); |
| exit (1); |
| } |
| |
| done = false; |
| |
| if (pthread_create (&t[i]->h, NULL, tf, t[i]) != 0) |
| { |
| puts ("pthread_create failed"); |
| exit (1); |
| } |
| |
| do |
| if (pthread_cond_wait (&t[i]->cond, &t[i]->lock) != 0) |
| { |
| puts ("cond_wait failed"); |
| exit (1); |
| } |
| while (! done); |
| |
| /* Release the lock since the cancel handler will get it. */ |
| if (pthread_mutex_unlock (&t[i]->lock) != 0) |
| { |
| puts ("mutex_unlock failed"); |
| exit (1); |
| } |
| |
| if (pthread_cancel (t[i]->h) != 0) |
| { |
| puts ("cancel failed"); |
| exit (1); |
| } |
| |
| puts ("parent: joining now"); |
| |
| void *result; |
| if (pthread_join (t[i]->h, &result) != 0) |
| { |
| puts ("join failed"); |
| exit (1); |
| } |
| |
| if (result != PTHREAD_CANCELED) |
| { |
| puts ("result != PTHREAD_CANCELED"); |
| exit (1); |
| } |
| } |
| |
| for (i = 0; i < N; ++i) |
| free (t[i]); |
| |
| return 0; |
| } |
| |
| |
| #define TEST_FUNCTION do_test () |
| #include "../test-skeleton.c" |