1  /*
       2   * Copyright (c) 2015 Elvira Khabirova <lineprinter0@gmail.com>
       3   * Copyright (c) 2016 Dmitry V. Levin <ldv@strace.io>
       4   * Copyright (c) 2015-2021 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  # include "xmalloc.h"
      21  
      22  int
      23  main(void)
      24  {
      25  	struct mq_attr attr;
      26  	(void) close(0);
      27  
      28  	char *name = xasprintf("/strace-mq-%u.sample", getpid());
      29  
      30  	if (mq_open(name, O_CREAT, 0700, NULL))
      31  		perror_msg_and_skip("mq_open");
      32  	printf("mq_open(\"%s\", O_RDONLY|O_CREAT, 0700, NULL) = 0\n", name + 1);
      33  
      34  	if (mq_getattr(0, &attr))
      35  		perror_msg_and_skip("mq_getattr");
      36  	printf("mq_getsetattr(0, NULL, {mq_flags=0, mq_maxmsg=%lld"
      37  	       ", mq_msgsize=%lld, mq_curmsgs=0}) = 0\n",
      38  	       (long long) attr.mq_maxmsg,
      39  	       (long long) attr.mq_msgsize);
      40  
      41  	if (mq_setattr(0, &attr, NULL))
      42  		perror_msg_and_skip("mq_setattr");
      43  	printf("mq_getsetattr(0, {mq_flags=0, mq_maxmsg=%lld"
      44  	       ", mq_msgsize=%lld, mq_curmsgs=0}, NULL) = 0\n",
      45  	       (long long) attr.mq_maxmsg,
      46  	       (long long) attr.mq_msgsize);
      47  
      48  	if (mq_unlink(name))
      49  		perror_msg_and_skip("mq_unlink");
      50  	printf("mq_unlink(\"%s\") = 0\n", name + 1);
      51  
      52  	puts("+++ exited with 0 +++");
      53  	return 0;
      54  }
      55  
      56  #else
      57  
      58  SKIP_MAIN_UNDEFINED("HAVE_MQUEUE_H")
      59  
      60  #endif