1#!/bin/sh 2 3# 4# Copyright (c) 2013 EMC Corp. 5# All rights reserved. 6# 7# Redistribution and use in source and binary forms, with or without 8# modification, are permitted provided that the following conditions 9# are met: 10# 1. Redistributions of source code must retain the above copyright 11# notice, this list of conditions and the following disclaimer. 12# 2. Redistributions in binary form must reproduce the above copyright 13# notice, this list of conditions and the following disclaimer in the 14# documentation and/or other materials provided with the distribution. 15# 16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26# SUCH DAMAGE. 27# 28 29[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 30 31# Regression test. 32# Will display "FAIL exit status = 0" without r240467 33 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