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/* Common code for message queue passing tests.
Copyright (C) 2004-2017 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>, 2004.
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 <mqueue.h>
#include <search.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sys/uio.h>
#include <unistd.h>
static int temp_mq_fd;
/* Add temporary files in list. */
static void
__attribute__ ((unused))
add_temp_mq (const char *name)
{
struct iovec iov[2];
iov[0].iov_base = (char *) name;
iov[0].iov_len = strlen (name);
iov[1].iov_base = (char *) "\n";
iov[1].iov_len = 1;
if (writev (temp_mq_fd, iov, 2) != iov[0].iov_len + 1)
printf ("Could not record temp mq filename %s\n", name);
}
/* Delete all temporary message queues. */
static void
do_cleanup (void)
{
if (lseek (temp_mq_fd, 0, SEEK_SET) != 0)
return;
FILE *f = fdopen (temp_mq_fd, "r");
if (f == NULL)
return;
char *line = NULL;
size_t n = 0;
ssize_t rets;
while ((rets = getline (&line, &n, f)) > 0)
{
if (line[rets - 1] != '\n')
continue;
line[rets - 1] = '\0';
mq_unlink (line);
}
fclose (f);
}
static void
do_prepare (void)
{
char name [] = "/tmp/tst-mqueueN.XXXXXX";
temp_mq_fd = mkstemp (name);
if (temp_mq_fd == -1)
{
printf ("Could not create temporary file %s: %m\n", name);
exit (1);
}
unlink (name);
}
#define PREPARE(argc, argv) do_prepare ()
#define CLEANUP_HANDLER do_cleanup ()
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