granicus.if.org Git - strace/blob - tests/mq.c

   1 /*
   2  * Copyright (c) 2015 Elvira Khabirova <lineprinter0@gmail.com>
   3  * Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
   4  * Copyright (c) 2015-2018 The strace developers.
   5  * All rights reserved.
   6  *
   7  * SPDX-License-Identifier: GPL-2.0-or-later
   8  */
   9
  10 #include "tests.h"
  11
  12 #ifdef HAVE_MQUEUE_H
  13
  14 # include <fcntl.h>
  15 # include <mqueue.h>
  16 # include <stdio.h>
  17 # include <stdlib.h>
  18 # include <unistd.h>
  19 # include <sys/stat.h>
  20
  21 int
  22 main(void)
  23 {
  24         struct mq_attr attr;
  25         (void) close(0);
  26
  27         char *name;
  28         if (asprintf(&name, "/strace-mq-%u.sample", getpid()) < 0)
  29                 perror_msg_and_fail("asprintf");
  30
  31         if (mq_open(name, O_CREAT, 0700, NULL))
  32                 perror_msg_and_skip("mq_open");
  33         printf("mq_open(\"%s\", O_RDONLY|O_CREAT, 0700, NULL) = 0\n", name + 1);
  34
  35         if (mq_getattr(0, &attr))
  36                 perror_msg_and_skip("mq_getattr");
  37         printf("mq_getsetattr(0, NULL, {mq_flags=0, mq_maxmsg=%lld"
  38                ", mq_msgsize=%lld, mq_curmsgs=0}) = 0\n",
  39                (long long) attr.mq_maxmsg,
  40                (long long) attr.mq_msgsize);
  41
  42         if (mq_setattr(0, &attr, NULL))
  43                 perror_msg_and_skip("mq_setattr");
  44         printf("mq_getsetattr(0, {mq_flags=0, mq_maxmsg=%lld"
  45                ", mq_msgsize=%lld, mq_curmsgs=0}, NULL) = 0\n",
  46                (long long) attr.mq_maxmsg,
  47                (long long) attr.mq_msgsize);
  48
  49         if (mq_unlink(name))
  50                 perror_msg_and_skip("mq_unlink");
  51         printf("mq_unlink(\"%s\") = 0\n", name + 1);
  52
  53         puts("+++ exited with 0 +++");
  54         return 0;
  55 }
  56
  57 #else
  58
  59 SKIP_MAIN_UNDEFINED("HAVE_MQUEUE_H")
  60
  61 #endif