1/* $NetBSD: sigqueue.c,v 1.1 2011/01/10 04:41:27 christos Exp $ */
2
3/*-
4 * Copyright (c) 2011 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Christos Zoulas.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31#include <sys/cdefs.h>
32#if defined(LIBC_SCCS) && !defined(lint)
33__RCSID("$NetBSD: sigqueue.c,v 1.1 2011/01/10 04:41:27 christos Exp $");
34#endif /* LIBC_SCCS and not lint */
35
36#include "namespace.h"
37#include <sys/types.h>
38#include <sys/syscall.h>
39#include <string.h>
40#include <signal.h>
41#include <unistd.h>
42
43/*
44 * This is wrapper around sigqueueinfo(2), providing a sigqueue()
45 * implementation for userland.
46 */
47int
48sigqueue(pid_t pid, int signo, const union sigval value)
49{
50	siginfo_t info;
51
52	(void)memset(&info, 0, sizeof(info));
53
54	info.si_signo = signo;
55	info.si_code = SI_QUEUE;
56	info.si_pid = getpid();
57	info.si_uid = geteuid();
58	info.si_value = value;
59
60	return sigqueueinfo(pid, &info);
61}
62