2016-01-05 00:05:18 +08:00
|
|
|
/* Copyright (C) 2003-2016 Free Software Foundation, Inc.
|
2003-06-16 15:39:03 +08:00
|
|
|
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
|
2012-02-10 07:18:22 +08:00
|
|
|
License along with the GNU C Library; if not, see
|
|
|
|
<http://www.gnu.org/licenses/>. */
|
2003-06-16 15:39:03 +08:00
|
|
|
|
|
|
|
#include <errno.h>
|
|
|
|
#include <pthread.h>
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <stdlib.h>
|
|
|
|
#include <string.h>
|
|
|
|
#include <unistd.h>
|
|
|
|
#include <sys/mman.h>
|
|
|
|
#include <sys/wait.h>
|
|
|
|
|
|
|
|
|
|
|
|
static pthread_barrier_t b2;
|
|
|
|
static int fd;
|
|
|
|
static int called;
|
|
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
cl (void *arg)
|
|
|
|
{
|
|
|
|
called = 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static void *
|
|
|
|
tf (void *arg)
|
|
|
|
{
|
|
|
|
int r = pthread_barrier_wait (&b2);
|
|
|
|
if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
|
|
|
|
{
|
|
|
|
puts ("child thread: barrier_wait failed");
|
|
|
|
exit (1);
|
|
|
|
}
|
|
|
|
|
|
|
|
pthread_cleanup_push (cl, NULL);
|
|
|
|
|
|
|
|
/* This call should never return. */
|
|
|
|
(void) lockf (fd, F_LOCK, 0);
|
|
|
|
|
|
|
|
pthread_cleanup_pop (0);
|
|
|
|
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static int
|
|
|
|
do_test (void)
|
|
|
|
{
|
|
|
|
char fname[] = "/tmp/cancel16XXXXXX";
|
|
|
|
fd = mkstemp (fname);
|
|
|
|
if (fd == -1)
|
|
|
|
{
|
|
|
|
puts ("mkstemp failed");
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
unlink (fname);
|
|
|
|
|
|
|
|
char mem[sizeof (pthread_barrier_t)];
|
|
|
|
memset (mem, '\0', sizeof (mem));
|
|
|
|
if (TEMP_FAILURE_RETRY (pwrite (fd, mem, sizeof (mem), 0)) != sizeof (mem))
|
|
|
|
{
|
|
|
|
puts ("pwrite failed");
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
void *p = mmap (NULL, sizeof (mem), PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
|
|
|
|
if (p == MAP_FAILED)
|
|
|
|
{
|
|
|
|
puts ("mmap failed");
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
pthread_barrier_t *b = (pthread_barrier_t *) p;
|
|
|
|
|
|
|
|
pthread_barrierattr_t ba;
|
|
|
|
if (pthread_barrierattr_init (&ba) != 0)
|
|
|
|
{
|
|
|
|
puts ("barrierattr_init failed");
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
if (pthread_barrierattr_setpshared (&ba, 1) != 0)
|
|
|
|
{
|
|
|
|
puts ("barrierattr_setshared failed");
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (pthread_barrier_init (b, &ba, 2) != 0)
|
|
|
|
{
|
|
|
|
puts ("1st barrier_init failed");
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
if (pthread_barrierattr_destroy (&ba) != 0)
|
|
|
|
{
|
|
|
|
puts ("barrier_destroy failed");
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
pid_t pid = fork ();
|
|
|
|
if (pid == 0)
|
|
|
|
{
|
|
|
|
/* Child. Lock the file and wait. */
|
|
|
|
if (lockf (fd, F_LOCK, 0) != 0)
|
|
|
|
{
|
|
|
|
puts ("child process: lockf failed");
|
|
|
|
_exit (1);
|
|
|
|
}
|
|
|
|
|
|
|
|
int r = pthread_barrier_wait (b);
|
|
|
|
if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
|
|
|
|
{
|
|
|
|
puts ("child process: 1st barrier_wait failed");
|
|
|
|
_exit (1);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Make sure the process dies. */
|
|
|
|
alarm (5);
|
|
|
|
|
|
|
|
r = pthread_barrier_wait (b);
|
|
|
|
if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
|
|
|
|
{
|
|
|
|
puts ("child process: 2nd barrier_wait failed");
|
|
|
|
_exit (1);
|
|
|
|
}
|
|
|
|
|
|
|
|
_exit (0);
|
|
|
|
}
|
|
|
|
if (pid == -1)
|
|
|
|
{
|
|
|
|
puts ("fork failed");
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
int r = pthread_barrier_wait (b);
|
|
|
|
if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
|
|
|
|
{
|
|
|
|
puts ("main: 1st barrier_wait failed");
|
|
|
|
_exit (1);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (pthread_barrier_init (&b2, NULL, 2) != 0)
|
|
|
|
{
|
|
|
|
puts ("2nd barrier_init failed");
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
pthread_t th;
|
|
|
|
if (pthread_create (&th, NULL, tf, NULL) != 0)
|
|
|
|
{
|
|
|
|
puts ("create failed");
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
r = pthread_barrier_wait (&b2);
|
|
|
|
if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
|
|
|
|
{
|
|
|
|
puts ("main: 2nd barrier_wait failed");
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Delay. */
|
|
|
|
sleep (1);
|
|
|
|
|
|
|
|
if (pthread_cancel (th) != 0)
|
|
|
|
{
|
|
|
|
puts ("cancel failed");
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
void *result;
|
|
|
|
if (pthread_join (th, &result) != 0)
|
|
|
|
{
|
|
|
|
puts ("join failed");
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
if (result != PTHREAD_CANCELED)
|
|
|
|
{
|
|
|
|
puts ("thread not canceled");
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
if (called == 0)
|
|
|
|
{
|
|
|
|
puts ("cleanup handler not called");
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
r = pthread_barrier_wait (b);
|
|
|
|
if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
|
|
|
|
{
|
|
|
|
puts ("main: 3rd barrier_wait failed");
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
int status;
|
|
|
|
if (TEMP_FAILURE_RETRY (waitpid (pid, &status, 0)) != pid)
|
|
|
|
{
|
|
|
|
puts ("waitpid failed");
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
if (WEXITSTATUS (status) != 0)
|
|
|
|
{
|
|
|
|
printf ("child process exits with %d\n", WEXITSTATUS (status));
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (lockf (fd, F_LOCK, 0) != 0)
|
|
|
|
{
|
|
|
|
puts ("main: lockf failed");
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
#define TEST_FUNCTION do_test ()
|
|
|
|
#include "../test-skeleton.c"
|