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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #include <stdlib.h> 28 #include <unistd.h> 29 #include <errno.h> 30 #include <door.h> 31 #include "libproc.h" 32 33 /* 34 * door() system calls -- executed by subject process 35 */ 36 37 int 38 pr_door_info(struct ps_prochandle *Pr, int did, door_info_t *di) 39 { 40 sysret_t rval; /* return value from door_info() */ 41 argdes_t argd[6]; /* arg descriptors for door_info() */ 42 argdes_t *adp = &argd[0]; /* first argument */ 43 int error; 44 45 if (Pr == NULL) /* no subject process */ 46 return (door_info(did, di)); 47 48 adp->arg_value = did; 49 adp->arg_object = NULL; 50 adp->arg_type = AT_BYVAL; 51 adp->arg_inout = AI_INPUT; 52 adp->arg_size = 0; 53 adp++; /* move to door_info_t argument */ 54 55 adp->arg_value = 0; 56 adp->arg_object = di; 57 adp->arg_type = AT_BYREF; 58 adp->arg_inout = AI_OUTPUT; 59 adp->arg_size = sizeof (door_info_t); 60 adp++; /* move to unused argument */ 61 62 adp->arg_value = 0; 63 adp->arg_object = NULL; 64 adp->arg_type = AT_BYVAL; 65 adp->arg_inout = AI_INPUT; 66 adp->arg_size = 0; 67 adp++; /* move to unused argument */ 68 69 adp->arg_value = 0; 70 adp->arg_object = NULL; 71 adp->arg_type = AT_BYVAL; 72 adp->arg_inout = AI_INPUT; 73 adp->arg_size = 0; 74 adp++; /* move to unused argument */ 75 76 adp->arg_value = 0; 77 adp->arg_object = NULL; 78 adp->arg_type = AT_BYVAL; 79 adp->arg_inout = AI_INPUT; 80 adp->arg_size = 0; 81 adp++; /* move to subcode argument */ 82 83 adp->arg_value = DOOR_INFO; 84 adp->arg_object = NULL; 85 adp->arg_type = AT_BYVAL; 86 adp->arg_inout = AI_INPUT; 87 adp->arg_size = 0; 88 89 error = Psyscall(Pr, &rval, SYS_door, 6, &argd[0]); 90 91 if (error) { 92 errno = (error < 0)? ENOSYS : error; 93 return (-1); 94 } 95 return (0); 96 } 97