/*
* 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 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#define _LARGEFILE64_SOURCE
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <strings.h>
#include "libproc.h"
#include <sys/rctl_impl.h>
/*
* getrctl() system call -- executed by subject process
*/
int
pr_getrctl(struct ps_prochandle *Pr, const char *rname,
rctlblk_t *old_blk, rctlblk_t *new_blk, int rflag)
{
sysret_t rval;
argdes_t argd[6];
argdes_t *adp;
int error;
if (Pr == NULL) /* no subject process */
return (getrctl(rname, old_blk, new_blk, rflag));
adp = &argd[0];
adp->arg_value = 0; /* switch for getrctl in rctlsys */
adp->arg_object = NULL;
adp->arg_type = AT_BYVAL;
adp->arg_inout = AI_INPUT;
adp->arg_size = 0;
adp++;
adp->arg_value = 0;
adp->arg_object = (void *)rname;
adp->arg_type = AT_BYREF;
adp->arg_inout = AI_INPUT;
adp->arg_size = strlen(rname) + 1;
adp++;
if (old_blk == NULL) {
adp->arg_value = 0;
adp->arg_object = NULL;
adp->arg_type = AT_BYVAL;
adp->arg_inout = AI_INPUT;
adp->arg_size = 0;
} else {
adp->arg_value = 0;
adp->arg_object = old_blk;
adp->arg_type = AT_BYREF;
adp->arg_inout = AI_INPUT;
adp->arg_size = rctlblk_size();
}
adp++;
if (new_blk == NULL) {
adp->arg_value = 0;
adp->arg_object = NULL;
adp->arg_type = AT_BYVAL;
adp->arg_inout = AI_OUTPUT;
adp->arg_size = 0;
} else {
adp->arg_value = 0;
adp->arg_object = new_blk;
adp->arg_type = AT_BYREF;
adp->arg_inout = AI_INOUT;
adp->arg_size = rctlblk_size();
}
adp++;
adp->arg_value = 0; /* obufsz isn't used by getrctl() */
adp->arg_object = NULL;
adp->arg_type = AT_BYVAL;
adp->arg_inout = AI_INPUT;
adp->arg_size = 0;
adp++;
adp->arg_value = rflag;
adp->arg_object = NULL;
adp->arg_type = AT_BYVAL;
adp->arg_inout = AI_INPUT;
adp->arg_size = 0;
error = Psyscall(Pr, &rval, SYS_rctlsys, 6, &argd[0]);
if (error) {
errno = (error > 0) ? error : ENOSYS;
return (-1);
}
return (rval.sys_rval1);
}
/*
* setrctl() system call -- executed by subject process
*/
int
pr_setrctl(struct ps_prochandle *Pr, const char *rname,
rctlblk_t *old_blk, rctlblk_t *new_blk, int rflag)
{
sysret_t rval;
argdes_t argd[6];
argdes_t *adp;
int error;
if (Pr == NULL) /* no subject process */
return (setrctl(rname, old_blk, new_blk, rflag));
adp = &argd[0];
adp->arg_value = 1; /* switch for setrctl in rctlsys */
adp->arg_object = NULL;
adp->arg_type = AT_BYVAL;
adp->arg_inout = AI_INPUT;
adp->arg_size = 0;
adp++;
adp->arg_value = 0;
adp->arg_object = (void *)rname;
adp->arg_type = AT_BYREF;
adp->arg_inout = AI_INPUT;
adp->arg_size = strlen(rname) + 1;
adp++;
if (old_blk == NULL) {
adp->arg_value = 0;
adp->arg_object = NULL;
adp->arg_type = AT_BYVAL;
adp->arg_inout = AI_INPUT;
adp->arg_size = 0;
} else {
adp->arg_value = 0;
adp->arg_object = old_blk;
adp->arg_type = AT_BYREF;
adp->arg_inout = AI_INPUT;
adp->arg_size = rctlblk_size();
}
adp++;
if (new_blk == NULL) {
adp->arg_value = 0;
adp->arg_object = NULL;
adp->arg_type = AT_BYVAL;
adp->arg_inout = AI_INPUT;
adp->arg_size = 0;
} else {
adp->arg_value = 0;
adp->arg_object = new_blk;
adp->arg_type = AT_BYREF;
adp->arg_inout = AI_INPUT;
adp->arg_size = rctlblk_size();
}
adp++;
adp->arg_value = 0; /* obufsz isn't used by setrctl() */
adp->arg_object = NULL;
adp->arg_type = AT_BYVAL;
adp->arg_inout = AI_INPUT;
adp->arg_size = 0;
adp++;
adp->arg_value = rflag;
adp->arg_object = NULL;
adp->arg_type = AT_BYVAL;
adp->arg_inout = AI_INPUT;
adp->arg_size = 0;
error = Psyscall(Pr, &rval, SYS_rctlsys, 6, &argd[0]);
if (error) {
errno = (error > 0) ? error : ENOSYS;
return (-1);
}
return (rval.sys_rval1);
}
/*
* setprojrctl() system call -- executed by subject process
*/
int
pr_setprojrctl(struct ps_prochandle *Pr, const char *rname,
rctlblk_t *new_blk, size_t size, int rflag)
{
sysret_t rval;
argdes_t argd[6];
argdes_t *adp;
int error;
if (Pr == NULL) /* no subject process */
return (setprojrctl(rname, new_blk, size, rflag));
adp = &argd[0];
adp->arg_value = 4; /* switch for setprojrctls in rctlsys */
adp->arg_object = NULL;
adp->arg_type = AT_BYVAL;
adp->arg_inout = AI_INPUT;
adp->arg_size = 0;
adp++;
adp->arg_value = 0;
adp->arg_object = (void *)rname;
adp->arg_type = AT_BYREF;
adp->arg_inout = AI_INPUT;
adp->arg_size = strlen(rname) + 1;
adp++;
adp->arg_value = 0; /* old_blk is not used by setprojrctls() */
adp->arg_object = NULL;
adp->arg_type = AT_BYVAL;
adp->arg_inout = AI_INPUT;
adp->arg_size = 0;
adp++;
if (new_blk == NULL) {
adp->arg_value = 0;
adp->arg_object = NULL;
adp->arg_type = AT_BYVAL;
adp->arg_inout = AI_INPUT;
adp->arg_size = 0;
} else {
adp->arg_value = 0;
adp->arg_object = new_blk;
adp->arg_type = AT_BYREF;
adp->arg_inout = AI_INPUT;
adp->arg_size = rctlblk_size() * size;
}
adp++;
adp->arg_value = size; /* obufsz is used by setrctls() */
adp->arg_object = NULL;
adp->arg_type = AT_BYVAL;
adp->arg_inout = AI_INPUT;
adp->arg_size = 0;
adp++;
adp->arg_value = rflag;
adp->arg_object = NULL;
adp->arg_type = AT_BYVAL;
adp->arg_inout = AI_INPUT;
adp->arg_size = 0;
error = Psyscall(Pr, &rval, SYS_rctlsys, 6, &argd[0]);
if (error) {
errno = (error > 0) ? error : ENOSYS;
return (-1);
}
return (rval.sys_rval1);
}