/* Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef MODPERL_INTERP_H
#define MODPERL_INTERP_H

void modperl_interp_init(server_rec *s, apr_pool_t *p,
                         PerlInterpreter *perl);

apr_status_t modperl_interp_cleanup(void *data);

#ifdef USE_ITHREADS

modperl_interp_t *modperl_thx_interp_get(PerlInterpreter *thx);
void modperl_thx_interp_set(PerlInterpreter *thx, modperl_interp_t *interp);

const char *modperl_interp_scope_desc(modperl_interp_scope_e scope);

void modperl_interp_clone_init(modperl_interp_t *interp);

modperl_interp_t *modperl_interp_new(modperl_interp_pool_t *mip,
                                     PerlInterpreter *perl);

void modperl_interp_destroy(modperl_interp_t *interp);

modperl_interp_t *modperl_interp_get(server_rec *s);

apr_status_t modperl_interp_unselect(void *data);

modperl_interp_t *modperl_interp_pool_get(apr_pool_t *p);

void modperl_interp_pool_set(apr_pool_t *p,
                             modperl_interp_t *interp,
                             int cleanup);

modperl_interp_t *modperl_interp_pool_select(apr_pool_t *p,
                                             server_rec *s);

modperl_interp_t *modperl_interp_select(request_rec *r, conn_rec *c,
                                        server_rec *s);

#define MP_dINTERP_SELECT(r, c, s) \
    pTHX; \
    modperl_interp_t *interp = NULL; \
    interp = modperl_interp_select(r, c, s); \
    aTHX = interp->perl

#define MP_INTERP_PUTBACK(interp) \
    if (interp && MpInterpPUTBACK(interp)) { \
        modperl_interp_unselect(interp); \
    }

#define MP_aTHX aTHX

apr_status_t modperl_interp_pool_destroy(void *data);

typedef apr_status_t (*modperl_interp_mip_walker_t)(pTHX_
                                                    modperl_interp_pool_t *mip,
                                                    void *data);

void modperl_interp_mip_walk(PerlInterpreter *current_perl,
                             PerlInterpreter *parent_perl,
                             modperl_interp_pool_t *mip,
                             modperl_interp_mip_walker_t walker,
                             void *data);

void modperl_interp_mip_walk_servers(PerlInterpreter *current_perl,
                                     server_rec *base_server,
                                     modperl_interp_mip_walker_t walker,
                                     void *data);
#else

#define MP_dINTERP_SELECT(r, c, s) dNOOP

#define MP_INTERP_PUTBACK(interp) NOOP

#define MP_aTHX 0

#endif /* USE_ITHREADS */

#endif /* MODPERL_INTERP_H */