| xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame] | 1 | /* Common code for message queue passing tests. |
| 2 | Copyright (C) 2004-2016 Free Software Foundation, Inc. |
| 3 | This file is part of the GNU C Library. |
| 4 | Contributed by Jakub Jelinek <jakub@redhat.com>, 2004. |
| 5 | |
| 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. |
| 10 | |
| 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. |
| 15 | |
| 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/>. */ |
| 19 | |
| 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> |
| 27 | |
| 28 | static int temp_mq_fd; |
| 29 | |
| 30 | /* Add temporary files in list. */ |
| 31 | static void |
| 32 | __attribute__ ((unused)) |
| 33 | add_temp_mq (const char *name) |
| 34 | { |
| 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); |
| 42 | } |
| 43 | |
| 44 | /* Delete all temporary message queues. */ |
| 45 | static void |
| 46 | do_cleanup (void) |
| 47 | { |
| 48 | if (lseek (temp_mq_fd, 0, SEEK_SET) != 0) |
| 49 | return; |
| 50 | |
| 51 | FILE *f = fdopen (temp_mq_fd, "r"); |
| 52 | if (f == NULL) |
| 53 | return; |
| 54 | |
| 55 | char *line = NULL; |
| 56 | size_t n = 0; |
| 57 | ssize_t rets; |
| 58 | while ((rets = getline (&line, &n, f)) > 0) |
| 59 | { |
| 60 | if (line[rets - 1] != '\n') |
| 61 | continue; |
| 62 | |
| 63 | line[rets - 1] = '\0'; |
| 64 | mq_unlink (line); |
| 65 | } |
| 66 | fclose (f); |
| 67 | } |
| 68 | |
| 69 | static void |
| 70 | do_prepare (void) |
| 71 | { |
| 72 | char name [] = "/tmp/tst-mqueueN.XXXXXX"; |
| 73 | temp_mq_fd = mkstemp (name); |
| 74 | if (temp_mq_fd == -1) |
| 75 | { |
| 76 | printf ("Could not create temporary file %s: %m\n", name); |
| 77 | exit (1); |
| 78 | } |
| 79 | unlink (name); |
| 80 | } |
| 81 | |
| 82 | #define PREPARE(argc, argv) do_prepare () |
| 83 | #define CLEANUP_HANDLER do_cleanup () |