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#!/usr/sbin/dtrace -Fs
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* ASSERTION:
* Verify doc example 13-1
*
* SECTION:
* DocExamples/specopen
*/
syscall::open:entry,
syscall::open64:entry
{
self->spec = speculation();
speculate(self->spec);
printf("%s", stringof(copyinstr(arg0)));
}
fbt:::
/self->spec/
{
speculate(self->spec);
}
syscall::open:return,
syscall::open64:return
/self->spec/
{
speculate(self->spec);
trace(errno);
}
syscall::open:return,
syscall::open64:return
/self->spec && errno != 0/
{
commit(self->spec);
self->spec = 0;
}
syscall::open:return,
syscall::open64:return
/self->spec && errno == 0/
{
discard(self->spec);
self->spec = 0;
}
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