1272343Sngie/* $NetBSD: h_spawnattr.c,v 1.1 2012/02/13 21:03:08 martin Exp $ */ 2272343Sngie 3272343Sngie/*- 4272343Sngie * Copyright (c) 2012 The NetBSD Foundation, Inc. 5272343Sngie * All rights reserved. 6272343Sngie * 7272343Sngie * This code is derived from software contributed to The NetBSD Foundation 8272343Sngie * by Charles Zhang <charles@NetBSD.org> and 9272343Sngie * Martin Husemann <martin@NetBSD.org>. 10272343Sngie * 11272343Sngie * Redistribution and use in source and binary forms, with or without 12272343Sngie * modification, are permitted provided that the following conditions 13272343Sngie * are met: 14272343Sngie * 1. Redistributions of source code must retain the above copyright 15272343Sngie * notice, this list of conditions and the following disclaimer. 16272343Sngie * 2. Redistributions in binary form must reproduce the above copyright 17272343Sngie * notice, this list of conditions and the following disclaimer in the 18272343Sngie * documentation and/or other materials provided with the distribution. 19272343Sngie * 20272343Sngie * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21272343Sngie * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22272343Sngie * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23272343Sngie * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24272343Sngie * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25272343Sngie * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26272343Sngie * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27272343Sngie * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28272343Sngie * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29272343Sngie * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30272343Sngie * POSSIBILITY OF SUCH DAMAGE. 31272343Sngie */ 32272343Sngie 33272343Sngie#include <errno.h> 34272343Sngie#include <stdio.h> 35272343Sngie#include <stdlib.h> 36272343Sngie#include <signal.h> 37272343Sngie#include <unistd.h> 38272343Sngie 39272343Sngie/* 40272343Sngie * Helper to test the hardcoded assumptions from t_spawnattr.c 41272343Sngie * Exit with apropriate exit status and print diagnostics to 42272343Sngie * stderr explaining what is wrong. 43272343Sngie */ 44272343Sngieint 45272343Sngiemain(int argc, char **argv) 46272343Sngie{ 47272343Sngie int parent_pipe, res = EXIT_SUCCESS; 48272343Sngie sigset_t sig; 49272343Sngie struct sigaction act; 50272343Sngie ssize_t rd; 51272343Sngie char tmp; 52272343Sngie 53272343Sngie sigemptyset(&sig); 54272343Sngie if (sigprocmask(0, NULL, &sig) < 0) { 55272343Sngie fprintf(stderr, "%s: sigprocmask error\n", getprogname()); 56272343Sngie res = EXIT_FAILURE; 57272343Sngie } 58272343Sngie if (!sigismember(&sig, SIGUSR1)) { 59272343Sngie fprintf(stderr, "%s: SIGUSR not in procmask\n", getprogname()); 60272343Sngie res = EXIT_FAILURE; 61272343Sngie } 62272343Sngie if (sigaction(SIGUSR1, NULL, &act) < 0) { 63272343Sngie fprintf(stderr, "%s: sigaction error\n", getprogname()); 64272343Sngie res = EXIT_FAILURE; 65272343Sngie } 66272343Sngie if (act.sa_sigaction != (void *)SIG_DFL) { 67272343Sngie fprintf(stderr, "%s: SIGUSR1 action != SIG_DFL\n", 68272343Sngie getprogname()); 69272343Sngie res = EXIT_FAILURE; 70272343Sngie } 71272343Sngie 72272343Sngie if (argc >= 2) { 73272343Sngie parent_pipe = atoi(argv[1]); 74272343Sngie if (parent_pipe > 2) { 75272343Sngie printf("%s: waiting for command from parent on pipe " 76272343Sngie "%d\n", getprogname(), parent_pipe); 77272343Sngie rd = read(parent_pipe, &tmp, 1); 78272343Sngie if (rd == 1) { 79272343Sngie printf("%s: got command %c from parent\n", 80272343Sngie getprogname(), tmp); 81272343Sngie } else if (rd == -1) { 82272343Sngie printf("%s: %d is no pipe, errno %d\n", 83272343Sngie getprogname(), parent_pipe, errno); 84272343Sngie res = EXIT_FAILURE; 85272343Sngie } 86272343Sngie } 87272343Sngie } 88272343Sngie 89272343Sngie return res; 90272343Sngie} 91