1 /* $NetBSD: h_spawnattr.c,v 1.1 2012/02/13 21:03:08 martin Exp $ */
4 * Copyright (c) 2012 The NetBSD Foundation, Inc.
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Charles Zhang <charles@NetBSD.org> and
9 * Martin Husemann <martin@NetBSD.org>.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
40 * Helper to test the hardcoded assumptions from t_spawnattr.c
41 * Exit with apropriate exit status and print diagnostics to
42 * stderr explaining what is wrong.
45 main(int argc
, char **argv
)
47 int parent_pipe
, res
= EXIT_SUCCESS
;
54 if (sigprocmask(0, NULL
, &sig
) < 0) {
55 fprintf(stderr
, "%s: sigprocmask error\n", getprogname());
58 if (!sigismember(&sig
, SIGUSR1
)) {
59 fprintf(stderr
, "%s: SIGUSR not in procmask\n", getprogname());
62 if (sigaction(SIGUSR1
, NULL
, &act
) < 0) {
63 fprintf(stderr
, "%s: sigaction error\n", getprogname());
66 if (act
.sa_sigaction
!= (void *)SIG_DFL
) {
67 fprintf(stderr
, "%s: SIGUSR1 action != SIG_DFL\n",
73 parent_pipe
= atoi(argv
[1]);
74 if (parent_pipe
> 2) {
75 printf("%s: waiting for command from parent on pipe "
76 "%d\n", getprogname(), parent_pipe
);
77 rd
= read(parent_pipe
, &tmp
, 1);
79 printf("%s: got command %c from parent\n",
81 } else if (rd
== -1) {
82 printf("%s: %d is no pipe, errno %d\n",
83 getprogname(), parent_pipe
, errno
);