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 2005 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <stdlib.h> 30 #include <unistd.h> 31 #include <errno.h> 32 #include <door.h> 33 #include "libproc.h" 34 35 /* 36 * door() system calls -- executed by subject process 37 */ 38 39 int 40 pr_door_info(struct ps_prochandle *Pr, int did, door_info_t *di) 41 { 42 sysret_t rval; /* return value from _door_info() */ 43 argdes_t argd[6]; /* arg descriptors for _door_info() */ 44 argdes_t *adp = &argd[0]; /* first argument */ 45 int error; 46 47 if (Pr == NULL) /* no subject process */ 48 return (door_info(did, di)); 49 50 adp->arg_value = did; 51 adp->arg_object = NULL; 52 adp->arg_type = AT_BYVAL; 53 adp->arg_inout = AI_INPUT; 54 adp->arg_size = 0; 55 adp++; /* move to door_info_t argument */ 56 57 adp->arg_value = 0; 58 adp->arg_object = di; 59 adp->arg_type = AT_BYREF; 60 adp->arg_inout = AI_OUTPUT; 61 adp->arg_size = sizeof (door_info_t); 62 adp++; /* move to unused argument */ 63 64 adp->arg_value = 0; 65 adp->arg_object = NULL; 66 adp->arg_type = AT_BYVAL; 67 adp->arg_inout = AI_INPUT; 68 adp->arg_size = 0; 69 adp++; /* move to unused argument */ 70 71 adp->arg_value = 0; 72 adp->arg_object = NULL; 73 adp->arg_type = AT_BYVAL; 74 adp->arg_inout = AI_INPUT; 75 adp->arg_size = 0; 76 adp++; /* move to unused argument */ 77 78 adp->arg_value = 0; 79 adp->arg_object = NULL; 80 adp->arg_type = AT_BYVAL; 81 adp->arg_inout = AI_INPUT; 82 adp->arg_size = 0; 83 adp++; /* move to subcode argument */ 84 85 adp->arg_value = DOOR_INFO; 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_door, 6, &argd[0]); 92 93 if (error) { 94 errno = (error < 0)? ENOSYS : error; 95 return (-1); 96 } 97 return (0); 98 } 99