svn commit: r253667 - user/pho/stress2/misc

[Peter Holm]

Author: pho
Date: Fri Jul 26 06:49:26 2013
New Revision: 253667
URL: http://svnweb.freebsd.org/changeset/base/253667

Log:
  Added regression test for sigreturn(2) problem fixed in r251033.
  
  Sponsored by:	EMC / Isilon storage division

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

Added: user/pho/stress2/misc/sigreturn.sh
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ user/pho/stress2/misc/sigreturn.sh	Fri Jul 26 06:49:26 2013	(r253667)
@@ -0,0 +1,116 @@
+#!/bin/sh
+
+#
+# Copyright (c) 2013 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.
+#
+# $FreeBSD$
+#
+
+# "panic: smp_tlb_shootdown: interrupts disabled" seen.
+# http://people.freebsd.org/~pho/stress/log/freebsd4_sigreturn.txt
+# Fixed in r251033.
+
+dir=/tmp
+odir=`pwd`
+cd $dir
+sed '1,/^EOF/d' < $odir/$0 > $dir/sigreturn.c
+cc -o sigreturn -Wall -Wextra sigreturn.c -lpthread || exit 1
+rm -f sigreturn.c
+cd $odir
+
+/tmp/sigreturn
+
+rm -f /tmp/sigreturn ./sigreturn.core
+exit
+EOF
+#include <sys/types.h>
+#include <err.h>
+#include <fcntl.h>
+#include <pthread.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/param.h>
+#include <sys/syscall.h>
+#include <sys/wait.h>
+#include <unistd.h>
+
+unsigned long buf[] = {
+0xe8243489, 0x000e7cc9, 0x85204e8b, 0xc0940fc9, 0x0fc2950f, 0x5589d2b6,
+0x56bf0fe4, 0xe855890e, 0x890fd285, 0x0000014a, 0x850fc084, 0x00000142,
+0x891c468b, 0xd1ff2404, 0x00012ee9, 0x04b3e800, 0x388bffff, 0xe8243489,
+0xfffefbd9, 0xff04a4e8, 0xe93889ff, 0x00000343, 0x0fc08566, 0x00031f84,
+0x46bf0f00, 0x2404890e, 0x042444c7, 0x00000003, 0xfefb90e8, 0x85c789ff,
+0x0d880fff, 0x89000002, 0x03e083f8, 0x7402f883, 0xf04d8b0e, 0x3903e183,
+0xe1850fc8, 0xf6000002, 0x74080c46, 0x24348908, 0x0e7c2ce8, 0xf0458b00,
+0xf931c189, 0x7408c1f6, 0xf7e7832b, 0x0908e083, 0x4ebf0ff8, 0x2444890e,
+0x240c8908, 0x042444c7, 0x00000004, 0xfefb34e8, 0x0fc085ff, 0x0001b388,
+0xf0458b00, 0x7404c4f6, 0x46bf0f1f, 0x2404890e, 0x082444c7, 0x00000000,
+0x042444c7, 0x00000000, 0xff0898e8, 0xf0458bff, 0x237508a8, 0xc7243489,
+0x000c2444, 0xc7000000, 0x00082444, 0xc7000000, 0x00042444, 0xe8000000,
+0x000e86ad, 0xa9f0458b, 0x00100000, 0xbf0f1c74, 0x04890e46, 0x2444c724,
+0x00000108, 0x2444c700, 0x00000204, 0xfabbe800, 0xbf0ffffe, 0x45c70e7e,
+0xffffffe8, 0xe445c7ff, 0x00000000, 0xc76634eb, 0x00200c46, 0xffe845c7
+};
+
+static void
+hand(int i __unused) {	/* handler */
+	_exit(1);
+}
+
+void *
+calls(void *arg __unused)
+{
+	alarm(1);
+	syscall(SYS_freebsd4_sigreturn, buf);
+
+	return (0);
+}
+
+int
+main(void)
+{
+	pthread_t cp;
+
+	signal(SIGALRM, hand);
+	signal(SIGILL,  hand);
+	signal(SIGFPE,  hand);
+	signal(SIGSEGV, hand);
+	signal(SIGBUS,  hand);
+	signal(SIGURG,  hand);
+	signal(SIGSYS,  hand);
+	signal(SIGTRAP, hand);
+
+	if (fork() == 0) {
+		if (pthread_create(&cp, NULL, calls, NULL) != 0)
+			perror("pthread_create");
+
+		pthread_join(cp, NULL);
+		_exit(0);
+	}
+	wait(NULL);
+
+	return (0);
+}