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h_fileactions.c
(3.44 KB)
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h_nonexec.sh
(76 B)
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h_spawn.c
(1.9 KB)
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h_spawnattr.c
(2.97 KB)
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t_fileactions.c
(10.55 KB)
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t_spawn.c
(5.2 KB)
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t_spawnattr.c
(5.01 KB)
Editing: h_spawnattr.c
/* $NetBSD: h_spawnattr.c,v 1.1 2012/02/13 21:03:08 martin Exp $ */ /*- * Copyright (c) 2012 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Charles Zhang <charles@NetBSD.org> and * Martin Husemann <martin@NetBSD.org>. * * 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. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``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 FOUNDATION OR CONTRIBUTORS * 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 <errno.h> #include <stdio.h> #include <stdlib.h> #include <signal.h> #include <unistd.h> /* * Helper to test the hardcoded assumptions from t_spawnattr.c * Exit with apropriate exit status and print diagnostics to * stderr explaining what is wrong. */ int main(int argc, char **argv) { int parent_pipe, res = EXIT_SUCCESS; sigset_t sig; struct sigaction act; ssize_t rd; char tmp; sigemptyset(&sig); if (sigprocmask(0, NULL, &sig) < 0) { fprintf(stderr, "%s: sigprocmask error\n", getprogname()); res = EXIT_FAILURE; } if (!sigismember(&sig, SIGUSR1)) { fprintf(stderr, "%s: SIGUSR not in procmask\n", getprogname()); res = EXIT_FAILURE; } if (sigaction(SIGUSR1, NULL, &act) < 0) { fprintf(stderr, "%s: sigaction error\n", getprogname()); res = EXIT_FAILURE; } if (act.sa_sigaction != (void *)SIG_DFL) { fprintf(stderr, "%s: SIGUSR1 action != SIG_DFL\n", getprogname()); res = EXIT_FAILURE; } if (argc >= 2) { parent_pipe = atoi(argv[1]); if (parent_pipe > 2) { printf("%s: waiting for command from parent on pipe " "%d\n", getprogname(), parent_pipe); rd = read(parent_pipe, &tmp, 1); if (rd == 1) { printf("%s: got command %c from parent\n", getprogname(), tmp); } else if (rd == -1) { printf("%s: %d is no pipe, errno %d\n", getprogname(), parent_pipe, errno); res = EXIT_FAILURE; } } } return res; }
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