svn commit: r258500 - user/pho/stress2/misc

[Peter Holm]

Author: pho
Date: Sat Nov 23 17:20:24 2013
New Revision: 258500
URL: http://svnweb.freebsd.org/changeset/base/258500

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

Added:
  user/pho/stress2/misc/signal0.sh   (contents, props changed)

Added: user/pho/stress2/misc/signal0.sh
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ user/pho/stress2/misc/signal0.sh	Sat Nov 23 17:20:24 2013	(r258500)
@@ -0,0 +1,88 @@
+#!/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.
+#
+# $FreeBSD$
+#
+
+# Zero signal number seen.
+# Test scenario by Vitaly Magerya <vmagerya gmail com>
+# http://people.freebsd.org/~pho/stress/log/kostik646.txt
+# Panic fixed in r258497
+# Signal number fixed in r258499
+
+dir=/tmp
+odir=`pwd`
+cd $dir
+sed '1,/^EOF/d' < $odir/$0 > $dir/signal0.c
+c99 -o signal0  signal0.c -lpthread || exit 1
+rm -f signal0.c
+cd $odir
+
+(cd ../testcases/swap; ./swap -t 5m -i 20 -h -v) > /dev/null 2>&1 &
+for i in `jot 500`; do
+	/tmp/signal0
+done
+killall -q swap
+
+rm -f /tmp/signal0
+exit
+
+EOF
+#include <pthread.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+void signal_handler(int signum, siginfo_t *si, void *context) {
+     if (signum != SIGUSR1) {
+         printf("FAIL bad signal, signum=%d\n", signum);
+         exit(1);
+     }
+}
+
+void *thread_func(void *arg) {
+     return arg;
+}
+
+int main(void) {
+     struct sigaction sa = { 0 };
+     sa.sa_flags = SA_SIGINFO;
+     sa.sa_sigaction = signal_handler;
+     if (sigfillset(&sa.sa_mask) != 0) abort();
+     if (sigaction(SIGUSR1, &sa, NULL) != 0) abort();
+     for (int i = 0; i < 10000; i++) {
+         pthread_t t;
+         pthread_create(&t, NULL, thread_func, NULL);
+         pthread_kill(t, SIGUSR1);
+	/*
+	 Side note.  pthread_kill(3) call behaviour is undefined if pthread_create(3)
+	 in the line before failed.
+	 */
+
+     }
+     return 0;
+}