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/*
* 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 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <door.h>
#include "libproc.h"
/*
* door() system calls -- executed by subject process
*/
int
pr_door_info(struct ps_prochandle *Pr, int did, door_info_t *di)
{
sysret_t rval; /* return value from door_info() */
argdes_t argd[6]; /* arg descriptors for door_info() */
argdes_t *adp = &argd[0]; /* first argument */
int error;
if (Pr == NULL) /* no subject process */
return (door_info(did, di));
adp->arg_value = did;
adp->arg_object = NULL;
adp->arg_type = AT_BYVAL;
adp->arg_inout = AI_INPUT;
adp->arg_size = 0;
adp++; /* move to door_info_t argument */
adp->arg_value = 0;
adp->arg_object = di;
adp->arg_type = AT_BYREF;
adp->arg_inout = AI_OUTPUT;
adp->arg_size = sizeof (door_info_t);
adp++; /* move to unused argument */
adp->arg_value = 0;
adp->arg_object = NULL;
adp->arg_type = AT_BYVAL;
adp->arg_inout = AI_INPUT;
adp->arg_size = 0;
adp++; /* move to unused argument */
adp->arg_value = 0;
adp->arg_object = NULL;
adp->arg_type = AT_BYVAL;
adp->arg_inout = AI_INPUT;
adp->arg_size = 0;
adp++; /* move to unused argument */
adp->arg_value = 0;
adp->arg_object = NULL;
adp->arg_type = AT_BYVAL;
adp->arg_inout = AI_INPUT;
adp->arg_size = 0;
adp++; /* move to subcode argument */
adp->arg_value = DOOR_INFO;
adp->arg_object = NULL;
adp->arg_type = AT_BYVAL;
adp->arg_inout = AI_INPUT;
adp->arg_size = 0;
error = Psyscall(Pr, &rval, SYS_door, 6, &argd[0]);
if (error) {
errno = (error < 0)? ENOSYS : error;
return (-1);
}
return (0);
}
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