svn commit: r256165 - user/pho/stress2/misc

[Peter Holm]

Author: pho
Date: Tue Oct  8 19:50:25 2013
New Revision: 256165
URL: http://svnweb.freebsd.org/changeset/base/256165

Log:
  Added a regression test.
  
  Sponsored by:	EMC / Isilon storage division

Added:
  user/pho/stress2/misc/sigstop.sh   (contents, props changed)

Added: user/pho/stress2/misc/sigstop.sh
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ user/pho/stress2/misc/sigstop.sh	Tue Oct  8 19:50:25 2013	(r256165)
@@ -0,0 +1,100 @@
+#!/bin/sh
+
+#
+# Copyright (c) 2013 EMC Corp.
+# All rights reserved.
+#
+# 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 AUTHOR 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 AUTHOR 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.
+#
+# $FreeBSD$
+#
+
+[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
+
+# Regression test.
+# Will display "FAIL exit status = 0" without r240467
+
+. ../default.cfg
+
+here=`pwd`
+cd /tmp
+sed '1,/^EOF/d' < $here/$0 > sigstop.c
+cc -o sigstop -Wall -Wextra sigstop.c || exit 1
+rm -f sigstop.c
+cd $here
+
+su $testuser -c "/tmp/sigstop" 
+
+rm -f /tmp/sigstop
+exit
+
+EOF
+#include <sys/types.h>
+#include <err.h>
+#include <signal.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/wait.h>
+
+#define PARALLEL 4
+
+void
+test(void)
+{
+	pid_t pid;
+	int i, status;
+
+	for (i = 0; i < 1000; i++) {
+		if ((pid = fork()) == 0) {
+			_exit(64);
+		}
+		if (pid == -1)
+			err(1, "fork()");
+		if (kill(pid, SIGSTOP) == -1)
+			warn("sigstop");
+		if (kill(pid, SIGCONT) == -1)
+			warn("sigcont");
+		wait(&status);
+		if (WEXITSTATUS(status) != 64) {
+			fprintf(stderr, "FAIL exit status = %d\n",
+			    WEXITSTATUS(status));
+			break;
+		}
+	}
+	_exit(0);
+}
+
+int
+main(void)
+{
+	int i;
+
+	for (i = 0; i < PARALLEL; i++) {
+		if (fork() == 0)
+			test();
+	}
+
+	for (i = 0; i < PARALLEL; i++)
+		wait(NULL);
+
+	return (0);
+}