mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-22 04:50:07 +00:00
125 lines
2.4 KiB
C
125 lines
2.4 KiB
C
/* Copyright (C) 2003-2024 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"
|