Fix a strict-alias warning in tst-inet6_rth.
[glibc.git] / rt / tst-mqueue.h
blob1401c3e03c51b5e4b4469cf81b46dd134825cdcf
1 /* Common code for message queue passing tests.
2 Copyright (C) 2004 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Jakub Jelinek <jakub@redhat.com>, 2004.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <http://www.gnu.org/licenses/>. */
20 #include <mqueue.h>
21 #include <search.h>
22 #include <stdlib.h>
23 #include <stdio.h>
24 #include <string.h>
25 #include <sys/uio.h>
26 #include <unistd.h>
28 static int temp_mq_fd;
30 /* Add temporary files in list. */
31 static void
32 __attribute__ ((unused))
33 add_temp_mq (const char *name)
35 struct iovec iov[2];
36 iov[0].iov_base = (char *) name;
37 iov[0].iov_len = strlen (name);
38 iov[1].iov_base = (char *) "\n";
39 iov[1].iov_len = 1;
40 if (writev (temp_mq_fd, iov, 2) != iov[0].iov_len + 1)
41 printf ("Could not record temp mq filename %s\n", name);
44 /* Delete all temporary message queues. */
45 static void
46 do_cleanup (void)
48 if (lseek (temp_mq_fd, 0, SEEK_SET) != 0)
49 return;
51 FILE *f = fdopen (temp_mq_fd, "r");
52 if (f == NULL)
53 return;
55 char *line = NULL;
56 size_t n = 0;
57 ssize_t rets;
58 while ((rets = getline (&line, &n, f)) > 0)
60 if (line[rets - 1] != '\n')
61 continue;
63 line[rets - 1] = '\0';
64 mq_unlink (line);
66 fclose (f);
69 static void
70 do_prepare (void)
72 char name [] = "/tmp/tst-mqueueN.XXXXXX";
73 temp_mq_fd = mkstemp (name);
74 if (temp_mq_fd == -1)
76 printf ("Could not create temporary file %s: %m\n", name);
77 exit (1);
79 unlink (name);
82 #define PREPARE(argc, argv) do_prepare ()
83 #define CLEANUP_HANDLER do_cleanup ()