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