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glibc/nptl/tst-cancel9.c
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/* Copyright (C) 2003-2016 Free Software Foundation, Inc. | |
This file is part of the GNU C Library. | |
Contributed by Ulrich Drepper <drepper@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, see | |
<http://www.gnu.org/licenses/>. */ | |
#include <fcntl.h> | |
#include <pthread.h> | |
#include <stdio.h> | |
#include <stdlib.h> | |
#include <string.h> | |
#include <unistd.h> | |
static pthread_barrier_t b; | |
static void | |
cleanup (void *arg) | |
{ | |
fputs ("in cleanup\n", stdout); | |
} | |
static void * | |
tf (void *arg) | |
{ | |
int fd = open ("/dev/null", O_RDWR); | |
if (fd == -1) | |
{ | |
puts ("cannot open /dev/null"); | |
exit (1); | |
} | |
FILE *fp = fdopen (fd, "w"); | |
if (fp == NULL) | |
{ | |
puts ("fdopen failed"); | |
exit (1); | |
} | |
pthread_cleanup_push (cleanup, NULL); | |
int e = pthread_barrier_wait (&b); | |
if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) | |
{ | |
puts ("barrier_wait failed"); | |
exit (1); | |
} | |
while (1) | |
/* fprintf() uses write() which is a cancallation point. */ | |
fprintf (fp, "foo"); | |
pthread_cleanup_pop (0); | |
return NULL; | |
} | |
static int | |
do_test (void) | |
{ | |
if (pthread_barrier_init (&b, NULL, 2) != 0) | |
{ | |
puts ("barrier_init failed"); | |
exit (1); | |
} | |
pthread_t th; | |
if (pthread_create (&th, NULL, tf, NULL) != 0) | |
{ | |
puts ("create failed"); | |
return 1; | |
} | |
int e = pthread_barrier_wait (&b); | |
if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) | |
{ | |
puts ("barrier_wait failed"); | |
exit (1); | |
} | |
sleep (1); | |
puts ("cancel now"); | |
if (pthread_cancel (th) != 0) | |
{ | |
puts ("cancel failed"); | |
exit (1); | |
} | |
puts ("waiting for the child"); | |
void *r; | |
if (pthread_join (th, &r) != 0) | |
{ | |
puts ("join failed"); | |
exit (1); | |
} | |
if (r != PTHREAD_CANCELED) | |
{ | |
puts ("thread wasn't canceled"); | |
exit (1); | |
} | |
return 0; | |
} | |
#define TEST_FUNCTION do_test () | |
#include "../test-skeleton.c" |