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
do_clone(fcode_env_t * cenv)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
do_switch(fcode_env_t * cenv)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
do_release(fcode_env_t * cenv)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
_init(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