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) 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 <stdio.h> 30*0Sstevel@tonic-gate #include <fcode/private.h> 31*0Sstevel@tonic-gate #include <fcode/log.h> 32*0Sstevel@tonic-gate 33*0Sstevel@tonic-gate static int envp; 34*0Sstevel@tonic-gate static int envc; 35*0Sstevel@tonic-gate static fcode_env_t *envs[4]; 36*0Sstevel@tonic-gate 37*0Sstevel@tonic-gate static void 38*0Sstevel@tonic-gate do_clone(fcode_env_t *cenv) 39*0Sstevel@tonic-gate { 40*0Sstevel@tonic-gate fcode_env_t *new; 41*0Sstevel@tonic-gate 42*0Sstevel@tonic-gate if (envc < 4) { 43*0Sstevel@tonic-gate envs[envc] = env; 44*0Sstevel@tonic-gate envc++; 45*0Sstevel@tonic-gate new = clone_environment(cenv, NULL); 46*0Sstevel@tonic-gate if (new) { 47*0Sstevel@tonic-gate envs[envc] = new; 48*0Sstevel@tonic-gate env = new; 49*0Sstevel@tonic-gate return; 50*0Sstevel@tonic-gate } 51*0Sstevel@tonic-gate } 52*0Sstevel@tonic-gate system_message(cenv, "clone failed"); 53*0Sstevel@tonic-gate } 54*0Sstevel@tonic-gate 55*0Sstevel@tonic-gate static void 56*0Sstevel@tonic-gate do_switch(fcode_env_t *cenv) 57*0Sstevel@tonic-gate { 58*0Sstevel@tonic-gate int bail = 4; 59*0Sstevel@tonic-gate do { 60*0Sstevel@tonic-gate envp = (envp+1)%4; 61*0Sstevel@tonic-gate env = envs[envp]; 62*0Sstevel@tonic-gate bail--; 63*0Sstevel@tonic-gate } while ((env == NULL) && (!bail)); 64*0Sstevel@tonic-gate log_message(MSG_INFO, "Env: %x\n", env); 65*0Sstevel@tonic-gate } 66*0Sstevel@tonic-gate 67*0Sstevel@tonic-gate static void 68*0Sstevel@tonic-gate do_release(fcode_env_t *cenv) 69*0Sstevel@tonic-gate { 70*0Sstevel@tonic-gate int bail = 4; 71*0Sstevel@tonic-gate destroy_environment(envs[envp]); 72*0Sstevel@tonic-gate envs[envp] = NULL; 73*0Sstevel@tonic-gate do { 74*0Sstevel@tonic-gate envp = (envp+1)%4; 75*0Sstevel@tonic-gate env = envs[envp]; 76*0Sstevel@tonic-gate bail--; 77*0Sstevel@tonic-gate } while ((env == NULL) && (!bail)); 78*0Sstevel@tonic-gate } 79*0Sstevel@tonic-gate 80*0Sstevel@tonic-gate #pragma init(_init) 81*0Sstevel@tonic-gate 82*0Sstevel@tonic-gate static void 83*0Sstevel@tonic-gate _init(void) 84*0Sstevel@tonic-gate { 85*0Sstevel@tonic-gate fcode_env_t *env = initial_env; 86*0Sstevel@tonic-gate 87*0Sstevel@tonic-gate ASSERT(env); 88*0Sstevel@tonic-gate NOTICE; 89*0Sstevel@tonic-gate 90*0Sstevel@tonic-gate envp = 0; 91*0Sstevel@tonic-gate envc = 0; 92*0Sstevel@tonic-gate 93*0Sstevel@tonic-gate FORTH(0, "clone", do_clone); 94*0Sstevel@tonic-gate FORTH(0, "switch", do_switch); 95*0Sstevel@tonic-gate FORTH(0, "release", do_release); 96*0Sstevel@tonic-gate } 97