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/* Copyright (C) 2003-2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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/>. */
/* Test whether pthread_create/pthread_join with user defined stacks
doesn't leak memory.
NOTE: this tests functionality beyond POSIX. In POSIX user defined
stacks cannot be ever freed once used by pthread_create nor they can
be reused for other thread. */
#include <limits.h>
#include <mcheck.h>
#include <pthread.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
static int seen;
static void *
tf (void *p)
{
++seen;
return NULL;
}
static int
do_test (void)
{
mtrace ();
void *stack;
int res = posix_memalign (&stack, getpagesize (), 4 * PTHREAD_STACK_MIN);
if (res)
{
printf ("malloc failed %s\n", strerror (res));
return 1;
}
pthread_attr_t attr;
pthread_attr_init (&attr);
int result = 0;
res = pthread_attr_setstack (&attr, stack, 4 * PTHREAD_STACK_MIN);
if (res)
{
printf ("pthread_attr_setstack failed %d\n", res);
result = 1;
}
for (int i = 0; i < 16; ++i)
{
/* Create the thread. */
pthread_t th;
res = pthread_create (&th, &attr, tf, NULL);
if (res)
{
printf ("pthread_create failed %d\n", res);
result = 1;
}
else
{
res = pthread_join (th, NULL);
if (res)
{
printf ("pthread_join failed %d\n", res);
result = 1;
}
}
}
pthread_attr_destroy (&attr);
if (seen != 16)
{
printf ("seen %d != 16\n", seen);
result = 1;
}
free (stack);
return result;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
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