strace/tests/mq.c

/*
 * Copyright (c) 2015 Elvira Khabirova <lineprinter0@gmail.com>
 * Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
 * Copyright (c) 2015-2017 The strace developers.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "tests.h"

#ifdef HAVE_MQUEUE_H

# include <fcntl.h>
# include <mqueue.h>
# include <stdio.h>
# include <stdlib.h>
# include <unistd.h>
# include <sys/stat.h>

int
main(void)
{
	struct mq_attr attr;
	(void) close(0);

	char *name;
	if (asprintf(&name, "/strace-mq-%u.sample", getpid()) < 0)
		perror_msg_and_fail("asprintf");

	if (mq_open(name, O_CREAT, 0700, NULL))
		perror_msg_and_skip("mq_open");
	printf("mq_open(\"%s\", O_RDONLY|O_CREAT, 0700, NULL) = 0\n", name + 1);

	if (mq_getattr(0, &attr))
		perror_msg_and_skip("mq_getattr");
	printf("mq_getsetattr(0, NULL, {mq_flags=0, mq_maxmsg=%lld"
	       ", mq_msgsize=%lld, mq_curmsgs=0}) = 0\n",
	       (long long) attr.mq_maxmsg,
	       (long long) attr.mq_msgsize);

	if (mq_setattr(0, &attr, NULL))
		perror_msg_and_skip("mq_setattr");
	printf("mq_getsetattr(0, {mq_flags=0, mq_maxmsg=%lld"
	       ", mq_msgsize=%lld, mq_curmsgs=0}, NULL) = 0\n",
	       (long long) attr.mq_maxmsg,
	       (long long) attr.mq_msgsize);

	if (mq_unlink(name))
		perror_msg_and_skip("mq_unlink");
	printf("mq_unlink(\"%s\") = 0\n", name + 1);

	puts("+++ exited with 0 +++");
	return 0;
}

#else

SKIP_MAIN_UNDEFINED("HAVE_MQUEUE_H")

#endif