1189251Ssam#!/bin/sh
2189251Ssam
3189251Ssam#
4189251Ssam# Copyright (c) 2013 EMC Corp.
5189251Ssam# All rights reserved.
6189251Ssam#
7189251Ssam# Redistribution and use in source and binary forms, with or without
8189251Ssam# modification, are permitted provided that the following conditions
9189251Ssam# are met:
10189251Ssam# 1. Redistributions of source code must retain the above copyright
11189251Ssam#    notice, this list of conditions and the following disclaimer.
12189251Ssam# 2. Redistributions in binary form must reproduce the above copyright
13189251Ssam#    notice, this list of conditions and the following disclaimer in the
14189251Ssam#    documentation and/or other materials provided with the distribution.
15189251Ssam#
16189251Ssam# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17189251Ssam# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18189251Ssam# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19189251Ssam# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20189251Ssam# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21189251Ssam# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22189251Ssam# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23189251Ssam# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24189251Ssam# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25189251Ssam# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26189251Ssam# SUCH DAMAGE.
27189251Ssam#
28189251Ssam
29189251Ssam[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
30189251Ssam
31189251Ssam# Regression test.
32189251Ssam# Will display "FAIL exit status = 0" without r240467
33189251Ssam
34. ../default.cfg
35
36here=`pwd`
37cd /tmp
38sed '1,/^EOF/d' < $here/$0 > sigstop.c
39mycc -o sigstop -Wall -Wextra sigstop.c || exit 1
40rm -f sigstop.c
41cd $here
42
43su $testuser -c "/tmp/sigstop"
44
45rm -f /tmp/sigstop
46exit
47
48EOF
49#include <sys/types.h>
50#include <err.h>
51#include <signal.h>
52#include <stdio.h>
53#include <unistd.h>
54#include <sys/wait.h>
55
56#define PARALLEL 4
57
58void
59test(void)
60{
61	pid_t pid;
62	int i, status;
63
64	for (i = 0; i < 1000; i++) {
65		if ((pid = fork()) == 0) {
66			_exit(64);
67		}
68		if (pid == -1)
69			err(1, "fork()");
70		if (kill(pid, SIGSTOP) == -1)
71			warn("sigstop");
72		if (kill(pid, SIGCONT) == -1)
73			warn("sigcont");
74		wait(&status);
75		if (WEXITSTATUS(status) != 64) {
76			fprintf(stderr, "FAIL exit status = %d\n",
77			    WEXITSTATUS(status));
78			break;
79		}
80	}
81	_exit(0);
82}
83
84int
85main(void)
86{
87	int i;
88
89	for (i = 0; i < PARALLEL; i++) {
90		if (fork() == 0)
91			test();
92	}
93
94	for (i = 0; i < PARALLEL; i++)
95		wait(NULL);
96
97	return (0);
98}
99