/* Test NPTL with stack limit that is not a multiple of the page size.

   Copyright (C) 2012-2018 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

   <http://www.gnu.org/licenses/>.  */

#include <errno.h>

#include <stdio.h>

#include <string.h>

#include <sys/resource.h>

#include <sys/wait.h>

#include <stdlib.h>

/* This sets the stack resource limit to 1023kb, which is not a multiple

   of the page size since every architecture's page size is > 1k.  */

#ifndef ODD_STACK_LIMIT

# define ODD_STACK_LIMIT (1023 * 1024)

#endif

static const char *command;

static int

do_test (void)

{

  int ret;

  struct rlimit rlim;

  ret = getrlimit (RLIMIT_STACK, &rlim);

  if (ret != 0)

    {

      printf ("getrlimit failed: %s\n", strerror (errno));

      return 1;

    }

  rlim.rlim_cur = ODD_STACK_LIMIT;

  ret = setrlimit (RLIMIT_STACK, &rlim);

  if (ret != 0)

    {

      printf ("setrlimit failed: %s\n", strerror (errno));

      return 1;

    }

  ret = system (command);

  if (ret == -1)

    {

      printf ("system failed: %s\n", strerror (errno));

      return 1;

    }

  if (WIFEXITED (ret))

    return WEXITSTATUS (ret);

  else

    return 1;

}

#define OPT_COMMAND	10000

#define CMDLINE_OPTIONS	\

  { "command", required_argument, NULL, OPT_COMMAND },

#define CMDLINE_PROCESS	\

  case OPT_COMMAND:	\

    command = optarg;	\

    break;

#define TEST_FUNCTION do_test ()

#include "../test-skeleton.c"