svn commit: r294218 - user/pho/stress2/misc

[Peter Holm]

Author: pho
Date: Sun Jan 17 12:24:02 2016
New Revision: 294218
URL: https://svnweb.freebsd.org/changeset/base/294218

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

Added:
  user/pho/stress2/misc/pty2.sh   (contents, props changed)

Added: user/pho/stress2/misc/pty2.sh
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ user/pho/stress2/misc/pty2.sh	Sun Jan 17 12:24:02 2016	(r294218)
@@ -0,0 +1,103 @@
+#!/bin/sh
+
+#
+# Copyright (c) 2016 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.
+#
+# $FreeBSD$
+#
+
+# pty(4) test scenario.
+
+# "panic: make_dev_sv: bad si_name (error=17, si_name=ptyp0)" seen.
+# Fixed by r293825.
+
+# Based on test scenario by Bruce Evans.
+
+[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
+
+. ../default.cfg
+
+kldstat -v | grep -q pty || { kldload pty || exit 1; }
+
+here=`pwd`
+cd /tmp
+sed '1,/^EOF/d' < $here/$0 > pty2.c
+mycc -o pty2 -Wall -Wextra -O2 pty2.c || exit 1
+rm -f pty2.c
+
+/tmp/pty2
+
+rm -f /tmp/pty2
+exit
+EOF
+#include <sys/types.h>
+#include <sys/wait.h>
+
+#include <err.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+#include <unistd.h>
+
+#define PARALLEL 3
+#define RUNTIME 180
+
+#define IN "/dev/ptyp0"
+
+void
+test(void)
+{
+	time_t start;
+	int fd;
+
+	start = time(NULL);
+	while (time(NULL) - start < RUNTIME) {
+		if ((fd = open(IN, O_RDONLY)) == -1) {
+			if (errno != EBUSY && errno != ENXIO && errno != ENOENT)
+				err(1, "open(%s)", IN);
+		} else
+			close(fd);
+
+	}
+	_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);
+}
+