strace/tests/rt_sigqueueinfo.c

/*
 * Copyright (c) 2015 Elvira Khabirova <lineprinter0@gmail.com>
 * 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"
#include <assert.h>
#include <stdio.h>
#include <signal.h>
#include <unistd.h>

int
main (void)
{
	struct sigaction sa = {
		.sa_handler = SIG_IGN
	};
	union sigval value = {
		.sival_ptr = (void *) (unsigned long) 0xdeadbeefbadc0ded
	};
	pid_t pid = getpid();

	assert(sigaction(SIGUSR1, &sa, NULL) == 0);
	if (sigqueue(pid, SIGUSR1, value))
		perror_msg_and_skip("sigqueue");
	printf("rt_sigqueueinfo(%u, SIGUSR1, {si_signo=SIGUSR1, "
		"si_code=SI_QUEUE, si_pid=%u, si_uid=%u, "
		"si_value={int=%d, ptr=%p}}) = 0\n",
		pid, pid, getuid(), value.sival_int, value.sival_ptr);
	printf("+++ exited with 0 +++\n");

	return 0;
}