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/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
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 <pthread.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
static int do_test (void);
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
static void *tf (void *a)
{
puts ("start tf");
/* Multiple locking, implicitly or explicitly, must be possible. */
flockfile (stdout);
puts ("after first flockfile");
flockfile (stdout);
puts ("foo");
funlockfile (stdout);
puts ("after first funlockfile");
funlockfile (stdout);
puts ("all done");
return a;
}
int
do_test (void)
{
pthread_t th;
if (pthread_create (&th, NULL, tf, NULL) != 0)
{
write_message ("create failed\n");
_exit (1);
}
void *result;
if (pthread_join (th, &result) != 0)
{
puts ("join failed");
exit (1);
}
else if (result != NULL)
{
printf ("wrong return value: %p, expected %p\n", result, NULL);
exit (1);
}
puts ("join returned succsefully");
return 0;
}
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