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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (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 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
int me; /* an integer global variable */
this int foo; /* an integer clause-local variable */
tick-1sec
{
/*
* Set foo to be 10 if and only if this is the first clause executed.
*/
this->foo = (me % 3 == 0) ? 10 : this->foo;
printf("Clause 1 is number %d; foo is %d\n", me++ % 3, this->foo++);
}
tick-1sec
{
/*
* Set foo to be 20 if and only if this is the first clause executed.
*/
this->foo = (me % 3 == 0) ? 20 : this->foo;
printf("Clause 2 is number %d; foo is %d\n", me++ % 3, this->foo++);
}
tick-1sec
{
/*
* Set foo to be 30 if and only if this is the first clause executed.
*/
this->foo = (me % 3 == 0) ? 30 : this->foo;
printf("Clause 3 is number %d; foo is %d\n", me++ % 3, this->foo++);
}
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (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 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
syscall::read:entry
{
self->t = timestamp;
}
syscall::read:return
/self->t != 0/
{
printf("%d/%d spent %d nsecs in read(2)\n",
pid, tid, timestamp - self->t);
/*
* We're done with this thread-local variable; assign zero to it to
* allow the DTrace runtime to reclaim the underlying storage.
*/
self->t = 0;
}
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