usr/src/lib/libproc/common/pr_tasksys.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #include <sys/task.h>
  28 #include <sys/types.h>
  29
  30 #include <zone.h>
  31 #include <errno.h>
  32 #include <project.h>
  33 #include <stdlib.h>
  34 #include <strings.h>
  35 #include <unistd.h>
  36
  37 #include "libproc.h"
  38
  39 zoneid_t
  40 pr_getzoneid(struct ps_prochandle *Pr)
  41 {
  42         sysret_t rval;
  43         argdes_t argd[2];
  44         argdes_t *adp;
  45         int error;
  46
  47         if (Pr == NULL)         /* no subject process */
  48                 return (getzoneid());
  49
  50         adp = &argd[0];
  51         adp->arg_value = 6;     /* switch for zone_lookup in zone */
  52         adp->arg_object = NULL;
  53         adp->arg_type = AT_BYVAL;
  54         adp->arg_inout = AI_INPUT;
  55         adp->arg_size = 0;
  56
  57         adp = &argd[1];
  58         adp->arg_value = 0;     /* arguement for zone_lookup in zone */
  59         adp->arg_object = NULL;
  60         adp->arg_type = AT_BYVAL;
  61         adp->arg_inout = AI_INPUT;
  62         adp->arg_size = 0;
  63
  64         error = Psyscall(Pr, &rval, SYS_zone, 2, &argd[0]);
  65
  66         if (error) {
  67                 errno = (error > 0) ? error : ENOSYS;
  68                 return (-1);
  69         }
  70         return (rval.sys_rval1);
  71 }
  72
  73 projid_t
  74 pr_getprojid(struct ps_prochandle *Pr)
  75 {
  76         sysret_t rval;
  77         argdes_t argd[1];
  78         argdes_t *adp;
  79         int error;
  80
  81         if (Pr == NULL)         /* no subject process */
  82                 return (getprojid());
  83
  84         adp = &argd[0];
  85         adp->arg_value = 2;     /* switch for getprojid in tasksys */
  86         adp->arg_object = NULL;
  87         adp->arg_type = AT_BYVAL;
  88         adp->arg_inout = AI_INPUT;
  89         adp->arg_size = 0;
  90
  91         error = Psyscall(Pr, &rval, SYS_tasksys, 1, &argd[0]);
  92
  93         if (error) {
  94                 errno = (error > 0) ? error : ENOSYS;
  95                 return (-1);
  96         }
  97         return (rval.sys_rval1);
  98 }
  99
 100 taskid_t
 101 pr_gettaskid(struct ps_prochandle *Pr)
 102 {
 103         sysret_t rval;
 104         argdes_t argd[1];
 105         argdes_t *adp;
 106         int error;
 107
 108         if (Pr == NULL)         /* no subject process */
 109                 return (gettaskid());
 110
 111         adp = &argd[0];
 112         adp->arg_value = 1;     /* switch for gettaskid in tasksys */
 113         adp->arg_object = NULL;
 114         adp->arg_type = AT_BYVAL;
 115         adp->arg_inout = AI_INPUT;
 116         adp->arg_size = 0;
 117
 118         error = Psyscall(Pr, &rval, SYS_tasksys, 1, &argd[0]);
 119
 120         if (error) {
 121                 errno = (error > 0) ? error : ENOSYS;
 122                 return (-1);
 123         }
 124         return (rval.sys_rval1);
 125 }
 126
 127 taskid_t
 128 pr_settaskid(struct ps_prochandle *Pr, projid_t project, int flags)
 129 {
 130         sysret_t rval;
 131         argdes_t argd[3];
 132         argdes_t *adp;
 133         int error;
 134
 135         if (Pr == NULL)         /* No subject process */
 136                 return (settaskid(project, flags));
 137
 138         adp = &argd[0];
 139         adp->arg_value = 0;     /* switch for settaskid in tasksys */
 140         adp->arg_object = NULL;
 141         adp->arg_type = AT_BYVAL;
 142         adp->arg_inout = AI_INPUT;
 143         adp->arg_size = 0;
 144
 145         adp++;
 146         adp->arg_value = project;
 147         adp->arg_object = NULL;
 148         adp->arg_type = AT_BYVAL;
 149         adp->arg_inout = AI_INPUT;
 150         adp->arg_size = sizeof (project);
 151
 152         adp++;
 153         adp->arg_value = flags;
 154         adp->arg_object = NULL;
 155         adp->arg_type = AT_BYVAL;
 156         adp->arg_inout = AI_INPUT;
 157         adp->arg_size = 0;
 158
 159         error = Psyscall(Pr, &rval, SYS_tasksys, 3, &argd[0]);
 160
 161         if (error) {
 162                 errno = (error > 0) ? error : ENOSYS;
 163                 return (-1);
 164         }
 165         return (rval.sys_rval1);
 166 }