svn commit: r237220 - projects/stress2/misc

[Peter Holm]

Author: pho
Date: Mon Jun 18 07:37:30 2012
New Revision: 237220
URL: http://svn.freebsd.org/changeset/base/237220

Log:
  Regression test for r237219 added.

Added:
  projects/stress2/misc/pts.sh   (contents, props changed)

Added: projects/stress2/misc/pts.sh
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ projects/stress2/misc/pts.sh	Mon Jun 18 07:37:30 2012	(r237220)
@@ -0,0 +1,140 @@
+#!/bin/sh
+
+#
+# Copyright (c) 2012 Peter Holm <pho at FreeBSD.org>
+# 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.
+#
+# $FreeBSD$
+#
+
+# Page fault in ttydev_open+0x2d seen. Fixed in r237219.
+
+[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
+
+here=`pwd`
+cd /tmp
+sed '1,/^EOF/d' < $here/$0 > pts.c
+cc -o pts -Wall -Wextra -O2 pts.c -lutil
+rm -f pts.c
+
+/tmp/pts &
+
+while kill -0 $! 2>/dev/null; do
+	$here/../testcases/swap/swap -t 2m -i 20
+done
+wait
+
+rm -f /tmp/pts
+exit 0
+EOF
+#include <sys/types.h>
+#include <err.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <fts.h>
+#include <libutil.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <sys/param.h>
+#include <sys/wait.h>
+#include <termios.h>
+#include <unistd.h>
+
+void
+churn(char *path)
+{
+
+	FTS *fts;
+	FTSENT *p;
+	int fd, ftsoptions, i;
+	char *args[2];
+
+	ftsoptions = 0;
+	args[0] = path;
+	args[1] = 0;
+
+	setproctitle("churn");
+	for (i = 0; i < 5000; i++) {
+		if ((fts = fts_open(args, ftsoptions, NULL)) == NULL)
+			err(1, "fts_open");
+
+		while ((p = fts_read(fts)) != NULL) {
+			if (p->fts_info == FTS_D ||
+			   p->fts_info == FTS_DP)
+				continue;
+			if ((fd = open(p->fts_path, O_RDONLY)) > 0)
+				close(fd);
+
+		}
+
+		if (errno != 0 && errno != ENOENT)
+			err(1, "fts_read");
+		if (fts_close(fts) == -1)
+			err(1, "fts_close()");
+	}
+
+	_exit(0);
+}
+
+void
+pty(void)
+{
+        int i, master, slave;
+	char slname[1025];
+
+	setproctitle("pty");
+	for (i = 0; i < 20000; i++) {
+		if (openpty(&master, &slave, slname, NULL, NULL) == -1)
+			err(1, "openpty");
+		if (close(master) == -1)
+			err(1, "close(master)");
+		if (close(slave) == -1)
+			err(1, "close(%s)", slname);
+	}
+	_exit(0);
+}
+
+int
+main(void)
+{
+	int i, j;
+
+	for (j = 0; j < 10; j++) {
+		for (i = 0; i < 2; i++) {
+			if (fork() == 0)
+				pty();
+		}
+		for (i = 0; i < 2; i++) {
+			if (fork() == 0)
+				churn("/dev/pts");
+		}
+		for (i = 0; i < 4; i++)
+			wait(NULL);
+	}
+
+	return (0);
+}