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/* Copyright (C) 2003-2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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
<https://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"
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