mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-22 19:00:07 +00:00
144 lines
3.2 KiB
C
144 lines
3.2 KiB
C
/* Copyright (C) 2003 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, 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>
|
|
|
|
|
|
static pthread_barrier_t bar;
|
|
|
|
static int global;
|
|
|
|
|
|
static void
|
|
cleanup (void *arg)
|
|
{
|
|
global = 1;
|
|
}
|
|
|
|
|
|
static void *
|
|
tf (void *arg)
|
|
{
|
|
/* Enable cancellation, but defer it. */
|
|
if (pthread_setcancelstate (PTHREAD_CANCEL_ENABLE, NULL) != 0)
|
|
{
|
|
puts ("setcancelstate failed");
|
|
exit (1);
|
|
}
|
|
if (pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, NULL) != 0)
|
|
{
|
|
puts ("setcanceltype failed");
|
|
exit (1);
|
|
}
|
|
|
|
/* Add cleanup handler. */
|
|
pthread_cleanup_push (cleanup, NULL);
|
|
|
|
/* Synchronize with the main thread. */
|
|
int r = pthread_barrier_wait (&bar);
|
|
if (r != 0 && r!= PTHREAD_BARRIER_SERIAL_THREAD)
|
|
{
|
|
puts ("tf: first barrier_wait failed");
|
|
exit (1);
|
|
}
|
|
|
|
/* And again. Once this is done the main thread should have canceled
|
|
this thread. */
|
|
r = pthread_barrier_wait (&bar);
|
|
if (r != 0 && r!= PTHREAD_BARRIER_SERIAL_THREAD)
|
|
{
|
|
puts ("tf: second barrier_wait failed");
|
|
exit (1);
|
|
}
|
|
|
|
/* Remove the cleanup handler without executing it. */
|
|
pthread_cleanup_pop (0);
|
|
|
|
/* Now react on the cancellation. */
|
|
pthread_testcancel ();
|
|
|
|
/* This call should never return. */
|
|
return NULL;
|
|
}
|
|
|
|
|
|
static int
|
|
do_test (void)
|
|
{
|
|
if (pthread_barrier_init (&bar, NULL, 2) != 0)
|
|
{
|
|
puts ("barrier_init failed");
|
|
exit (1);
|
|
}
|
|
|
|
pthread_t th;
|
|
if (pthread_create (&th, NULL, tf, NULL) != 0)
|
|
{
|
|
puts ("pthread_create failed");
|
|
return 1;
|
|
}
|
|
|
|
int r = pthread_barrier_wait (&bar);
|
|
if (r != 0 && r!= PTHREAD_BARRIER_SERIAL_THREAD)
|
|
{
|
|
puts ("first barrier_wait failed");
|
|
exit (1);
|
|
}
|
|
|
|
if (pthread_cancel (th) != 0)
|
|
{
|
|
puts ("pthread_cancel failed");
|
|
return 1;
|
|
}
|
|
|
|
r = pthread_barrier_wait (&bar);
|
|
if (r != 0 && r!= PTHREAD_BARRIER_SERIAL_THREAD)
|
|
{
|
|
puts ("second barrier_wait failed");
|
|
exit (1);
|
|
}
|
|
|
|
void *result;
|
|
if (pthread_join (th, &result) != 0)
|
|
{
|
|
puts ("pthread_join failed");
|
|
return 1;
|
|
}
|
|
|
|
if (result != PTHREAD_CANCELED)
|
|
{
|
|
puts ("thread was not canceled");
|
|
exit (1);
|
|
}
|
|
|
|
if (global != 0)
|
|
{
|
|
puts ("cancellation handler has been called");
|
|
exit (1);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define TEST_FUNCTION do_test ()
|
|
#include "../test-skeleton.c"
|