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[glibc/history.git] / rt / tst-mqueue.h
blob8e73be51ce397a5ee737016144d42d42865d488e
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, write to the Free
18 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
19 02111-1307 USA. */
21 #include <mqueue.h>
22 #include <search.h>
23 #include <stdlib.h>
24 #include <stdio.h>
25 #include <string.h>
26 #include <sys/uio.h>
27 #include <unistd.h>
29 static int temp_mq_fd;
31 /* Add temporary files in list. */
32 static void
33 __attribute__ ((unused))
34 add_temp_mq (const char *name)
36 struct iovec iov[2];
37 iov[0].iov_base = (char *) name;
38 iov[0].iov_len = strlen (name);
39 iov[1].iov_base = (char *) "\n";
40 iov[1].iov_len = 1;
41 if (writev (temp_mq_fd, iov, 2) != iov[0].iov_len + 1)
42 printf ("Could not record temp mq filename %s\n", name);
45 /* Delete all temporary message queues. */
46 static void
47 do_cleanup (void)
49 if (lseek (temp_mq_fd, 0, SEEK_SET) != 0)
50 return;
52 FILE *f = fdopen (temp_mq_fd, "r");
53 if (f == NULL)
54 return;
56 char *line = NULL;
57 size_t n = 0;
58 ssize_t rets;
59 while ((rets = getline (&line, &n, f)) > 0)
61 if (line[rets - 1] != '\n')
62 continue;
64 line[rets - 1] = '\0';
65 mq_unlink (line);
67 fclose (f);
70 static void
71 do_prepare (void)
73 char name [] = "/tmp/tst-mqueueN.XXXXXX";
74 temp_mq_fd = mkstemp (name);
75 if (temp_mq_fd == -1)
77 printf ("Could not create temporary file %s: %m\n", name);
78 exit (1);
80 unlink (name);
83 #define PREPARE(argc, argv) do_prepare ()
84 #define CLEANUP_HANDLER do_cleanup ()