/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2000 by Sun Microsystems, Inc.
* All rights reserved.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <stdio.h>
#include <fcode/private.h>
#include <fcode/log.h>
static int envp;
static int envc;
static fcode_env_t *envs[4];
static void
do_clone(fcode_env_t *cenv)
{
fcode_env_t *new;
if (envc < 4) {
envs[envc] = env;
envc++;
new = clone_environment(cenv, NULL);
if (new) {
envs[envc] = new;
env = new;
return;
}
}
system_message(cenv, "clone failed");
}
static void
do_switch(fcode_env_t *cenv)
{
int bail = 4;
do {
envp = (envp+1)%4;
env = envs[envp];
bail--;
} while ((env == NULL) && (!bail));
log_message(MSG_INFO, "Env: %x\n", env);
}
static void
do_release(fcode_env_t *cenv)
{
int bail = 4;
destroy_environment(envs[envp]);
envs[envp] = NULL;
do {
envp = (envp+1)%4;
env = envs[envp];
bail--;
} while ((env == NULL) && (!bail));
}
#pragma init(_init)
static void
_init(void)
{
fcode_env_t *env = initial_env;
ASSERT(env);
NOTICE;
envp = 0;
envc = 0;
FORTH(0, "clone", do_clone);
FORTH(0, "switch", do_switch);
FORTH(0, "release", do_release);
}