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glibc/nptl/tst-stdio2.c
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/* Copyright (C) 2002-2016 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 | |
<http://www.gnu.org/licenses/>. */ | |
#include <pthread.h> | |
#include <signal.h> | |
#include <stdio.h> | |
#include <stdlib.h> | |
#include <unistd.h> | |
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 (2, "create failed\n", 14); | |
_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; | |
} | |
#define TEST_FUNCTION do_test () | |
#include "../test-skeleton.c" |