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/* Copyright (C) 2002-2021 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 <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <unistd.h>
#define N 20
static pthread_t th[N];
static pthread_mutex_t lock[N];
static void *tf (void *a)
{
uintptr_t idx = (uintptr_t) a;
pthread_mutex_lock (&lock[idx]);
return pthread_equal (pthread_self (), th[idx]) ? NULL : (void *) 1l;
}
int
do_test (void)
{
if (pthread_equal (pthread_self (), pthread_self ()) == 0)
{
puts ("pthread_equal (pthread_self (), pthread_self ()) failed");
exit (1);
}
pthread_attr_t at;
if (pthread_attr_init (&at) != 0)
{
puts ("attr_init failed");
return 1;
}
if (pthread_attr_setstacksize (&at, 1 * 1024 * 1024) != 0)
{
puts ("attr_setstacksize failed");
return 1;
}
int i;
for (i = 0; i < N; ++i)
{
if (pthread_mutex_init (&lock[i], NULL) != 0)
{
puts ("mutex_init failed");
exit (1);
}
if (pthread_mutex_lock (&lock[i]) != 0)
{
puts ("mutex_lock failed");
exit (1);
}
if (pthread_create (&th[i], &at, tf, (void *) (long int) i) != 0)
{
puts ("create failed");
exit (1);
}
if (pthread_mutex_unlock (&lock[i]) != 0)
{
puts ("mutex_unlock failed");
exit (1);
}
printf ("created thread %d\n", i);
}
if (pthread_attr_destroy (&at) != 0)
{
puts ("attr_destroy failed");
return 1;
}
int result = 0;
for (i = 0; i < N; ++i)
{
void *r;
int e;
if ((e = pthread_join (th[i], &r)) != 0)
{
printf ("join failed: %d\n", e);
_exit (1);
}
else if (r != NULL)
result = 1;
}
return result;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
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