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Diffstat (limited to 'linuxthreads/tst-cancel7.c')
-rw-r--r-- | linuxthreads/tst-cancel7.c | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/linuxthreads/tst-cancel7.c b/linuxthreads/tst-cancel7.c new file mode 100644 index 0000000000..11298eae26 --- /dev/null +++ b/linuxthreads/tst-cancel7.c @@ -0,0 +1,111 @@ +/* Test for pthread cancellation of mutex blocks. + 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 <pthread.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER; +pthread_barrier_t b; +int value = 0; + +static void * +tf (void *arg) +{ + int r = pthread_barrier_wait (&b); + if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD) + { + printf ("%s: barrier_wait failed\n", __FUNCTION__); + exit (1); + } + + pthread_mutex_lock (&lock); + ++value; + pthread_testcancel (); + ++value; + pthread_mutex_unlock (&lock); + return NULL; +} + + +static int +do_test (void) +{ + pthread_mutex_lock (&lock); + + if (pthread_barrier_init (&b, NULL, 2) != 0) + { + puts ("barrier init failed"); + return 1; + } + + pthread_t th; + if (pthread_create (&th, NULL, tf, NULL) != 0) + { + puts ("pthread_create failed"); + return 1; + } + + int r = pthread_barrier_wait (&b); + if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD) + { + printf ("%s: barrier_wait failed\n", __FUNCTION__); + exit (1); + } + + if (pthread_cancel (th) != 0) + { + puts ("pthread_cancel failed"); + return 1; + } + + pthread_mutex_unlock (&lock); + + void *status; + if (pthread_join (th, &status) != 0) + { + puts ("join failed"); + return 1; + } + + if (status != PTHREAD_CANCELED) + { + puts ("thread not canceled"); + return 1; + } + + if (value == 0) + { + puts ("thread cancelled in the pthread_mutex_lock call"); + return 1; + } + + if (value != 1) + { + puts ("thread not cancelled in pthread_testcancel call"); + return 1; + } + + return 0; +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" |