view tests/test-mknod.c @ 12391:5d8d7c606ce6

test-dup2: enhance test Ensure that dup2(cloexec_fd, target) returns an inheritable fd. * modules/dup2-tests (Depends-on): Add cloexec. * tests/test-dup2.c (main): Enhance test. Signed-off-by: Eric Blake <ebb9@byu.net>
author Eric Blake <ebb9@byu.net>
date Sat, 05 Dec 2009 06:19:01 -0700
parents c400da5f66bb
children 33ab12a7cea2
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/* Tests of mknod.
   Copyright (C) 2009 Free Software Foundation, Inc.

   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program 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 General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

/* Written by Eric Blake <ebb9@byu.net>, 2009.  */

#include <config.h>

#include <sys/stat.h>

#include <fcntl.h>
#include <errno.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

#define ASSERT(expr) \
  do                                                                         \
    {                                                                        \
      if (!(expr))                                                           \
        {                                                                    \
          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__);  \
          fflush (stderr);                                                   \
          abort ();                                                          \
        }                                                                    \
    }                                                                        \
  while (0)

#define BASE "test-mknod.t"

#include "test-mkfifo.h"

/* Wrapper around mknod, to create fifos.  */
static int
do_mknod (char const *name, mode_t mode)
{
  return mknod (name, mode | S_IFIFO, 0);
}

int
main (void)
{
  /* Remove any leftovers from a previous partial run.  */
  ASSERT (system ("rm -rf " BASE "*") == 0);

  /* We can only portably test creation of fifos.  Anything else
     requires root privileges and knowledge of device numbers.  */
  return test_mkfifo (do_mknod, true);
}