1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright (c) 1997-2000 by Sun Microsystems, Inc. 24*0Sstevel@tonic-gate * All rights reserved. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate #include <stdlib.h> 30*0Sstevel@tonic-gate #include <unistd.h> 31*0Sstevel@tonic-gate #include <errno.h> 32*0Sstevel@tonic-gate #include <sys/types.h> 33*0Sstevel@tonic-gate #include "libproc.h" 34*0Sstevel@tonic-gate 35*0Sstevel@tonic-gate /* 36*0Sstevel@tonic-gate * ioctl() system call -- executed by subject process. 37*0Sstevel@tonic-gate */ 38*0Sstevel@tonic-gate int 39*0Sstevel@tonic-gate pr_ioctl(struct ps_prochandle *Pr, int fd, int code, void *buf, size_t size) 40*0Sstevel@tonic-gate { 41*0Sstevel@tonic-gate sysret_t rval; /* return value from ioctl() */ 42*0Sstevel@tonic-gate argdes_t argd[3]; /* arg descriptors for ioctl() */ 43*0Sstevel@tonic-gate argdes_t *adp = &argd[0]; /* first argument */ 44*0Sstevel@tonic-gate int error; 45*0Sstevel@tonic-gate 46*0Sstevel@tonic-gate if (Pr == NULL) /* no subject process */ 47*0Sstevel@tonic-gate return (ioctl(fd, code, buf)); 48*0Sstevel@tonic-gate 49*0Sstevel@tonic-gate adp->arg_value = fd; 50*0Sstevel@tonic-gate adp->arg_object = NULL; 51*0Sstevel@tonic-gate adp->arg_type = AT_BYVAL; 52*0Sstevel@tonic-gate adp->arg_inout = AI_INPUT; 53*0Sstevel@tonic-gate adp->arg_size = 0; 54*0Sstevel@tonic-gate adp++; /* move to code argument */ 55*0Sstevel@tonic-gate 56*0Sstevel@tonic-gate adp->arg_value = code; 57*0Sstevel@tonic-gate adp->arg_object = NULL; 58*0Sstevel@tonic-gate adp->arg_type = AT_BYVAL; 59*0Sstevel@tonic-gate adp->arg_inout = AI_INPUT; 60*0Sstevel@tonic-gate adp->arg_size = 0; 61*0Sstevel@tonic-gate adp++; /* move to buffer argument */ 62*0Sstevel@tonic-gate 63*0Sstevel@tonic-gate if (size == 0) { 64*0Sstevel@tonic-gate adp->arg_value = (long)buf; 65*0Sstevel@tonic-gate adp->arg_object = NULL; 66*0Sstevel@tonic-gate adp->arg_type = AT_BYVAL; 67*0Sstevel@tonic-gate adp->arg_inout = AI_INPUT; 68*0Sstevel@tonic-gate adp->arg_size = 0; 69*0Sstevel@tonic-gate } else { 70*0Sstevel@tonic-gate adp->arg_value = 0; 71*0Sstevel@tonic-gate adp->arg_object = buf; 72*0Sstevel@tonic-gate adp->arg_type = AT_BYREF; 73*0Sstevel@tonic-gate adp->arg_inout = AI_INOUT; 74*0Sstevel@tonic-gate adp->arg_size = size; 75*0Sstevel@tonic-gate } 76*0Sstevel@tonic-gate 77*0Sstevel@tonic-gate error = Psyscall(Pr, &rval, SYS_ioctl, 3, &argd[0]); 78*0Sstevel@tonic-gate 79*0Sstevel@tonic-gate if (error) { 80*0Sstevel@tonic-gate errno = (error > 0)? error : ENOSYS; 81*0Sstevel@tonic-gate return (-1); 82*0Sstevel@tonic-gate } 83*0Sstevel@tonic-gate return (rval.sys_rval1); 84*0Sstevel@tonic-gate } 85