svn commit: r235161 - projects/stress2/misc

[Peter Holm]

Author: pho
Date: Wed May  9 10:48:40 2012
New Revision: 235161
URL: http://svn.freebsd.org/changeset/base/235161

Log:
  Added regression test for sndstat.

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

Added: projects/stress2/misc/sndstat.sh
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ projects/stress2/misc/sndstat.sh	Wed May  9 10:48:40 2012	(r235161)
@@ -0,0 +1,141 @@
+#!/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.
+#
+# $FreeBSD$
+#
+
+# Test of access to /dev/sndstat
+
+# Permanent "/dev/sndstat: Device busy" seen.
+# "panic: sbuf_put_byte called with finished or corrupt sbuf" seen.
+# Fixed in r234932
+
+. ../default.cfg
+
+[ -r /dev/sndstat ] || exit 1
+
+here=`pwd`
+cd /tmp
+sed '1,/^EOF/d' < $here/$0 > sndstat.c
+cc -o sndstat -Wall -Wextra sndstat.c -lpthread
+rm -f sndstat.c
+
+/tmp/sndstat > /dev/null
+
+rm -f /tmp/sndstat
+exit 0
+EOF
+#include <sys/types.h>
+#include <strings.h>
+#include <dirent.h>
+#include <err.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/syscall.h>
+#include <sys/uio.h>
+#include <unistd.h>
+#include <sys/wait.h>
+#include <pthread.h>
+
+int fd;
+char path[] = "/dev/sndstat";
+
+
+void *
+test1(void *arg __unused)
+{
+
+        int sfd, i, n;
+	char buf[512];
+
+	n = 0;
+        for (i = 0; i < 5; i++) {
+                if ((sfd = open(path, O_RDONLY)) == -1)
+                        continue;
+
+                read(sfd, buf, sizeof(buf));
+		fprintf(stdout, "%s\n", buf);
+
+		n++;
+                close(sfd);
+        }
+	if (n == 0) {
+                if ((sfd = open(path, O_RDONLY)) == -1)
+			warn("FAIL open(%s)", path);
+		if (sfd > 0)
+			close(sfd);
+	}
+
+        return (0);
+}
+
+void *
+test2(void *arg __unused)
+{
+	char buf[512];
+
+	bzero(buf, sizeof(buf));
+	if (read(fd, buf, sizeof(buf)) != -1)
+		fprintf(stdout, "%s\n", buf);
+	else
+		warn("read()");
+
+        return (0);
+}
+
+int
+main(void)
+{
+        pthread_t rp[10];
+        int i, j;
+
+	/* Parallel open test */
+        for (i = 0; i < 10; i++) {
+                if (pthread_create(&rp[i], NULL, test1, NULL) != 0)
+                        perror("pthread_create");
+        }
+        for (i = 0; i < 10; i++)
+                pthread_join(rp[i], NULL);
+
+	/* Parallel read test */
+	for (i = 0; i < 10; i++) {
+		if ((fd = open(path, O_RDONLY)) == -1) {
+			warn("open()");
+			continue;
+		}
+		for (j = 0; j < 4; j++)
+			if (pthread_create(&rp[j], NULL, test2, NULL) != 0)
+				perror("pthread_create");
+		for (j = 0; j < 4; j++)
+			pthread_join(rp[j], NULL);
+
+		close(fd);
+	}
+
+        return (0);
+}