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/* 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 APR_DSO_DOT_H
#define APR_DSO_DOT_H
/**
* @file apr_dso.h
* @brief APR Dynamic Object Handling Routines
*/
#include "apr.h"
#include "apr_pools.h"
#include "apr_errno.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @defgroup apr_dso Dynamic Object Handling
* @ingroup APR
* @{
*/
#if APR_HAS_DSO || defined(DOXYGEN)
/**
* Structure for referencing dynamic objects
*/
typedef struct apr_dso_handle_t apr_dso_handle_t;
/**
* Structure for referencing symbols from dynamic objects
*/
typedef void * apr_dso_handle_sym_t;
/**
* Load a DSO library.
* @param res_handle Location to store new handle for the DSO.
* @param path Path to the DSO library
* @param ctx Pool to use.
* @bug We aught to provide an alternative to RTLD_GLOBAL, which
* is the only supported method of loading DSOs today.
*/
APR_DECLARE(apr_status_t) apr_dso_load(apr_dso_handle_t **res_handle,
const char *path, apr_pool_t *ctx);
/**
* Close a DSO library.
* @param handle handle to close.
*/
APR_DECLARE(apr_status_t) apr_dso_unload(apr_dso_handle_t *handle);
/**
* Load a symbol from a DSO handle.
* @param ressym Location to store the loaded symbol
* @param handle handle to load the symbol from.
* @param symname Name of the symbol to load.
*/
APR_DECLARE(apr_status_t) apr_dso_sym(apr_dso_handle_sym_t *ressym,
apr_dso_handle_t *handle,
const char *symname);
/**
* Report more information when a DSO function fails.
* @param dso The dso handle that has been opened
* @param buf Location to store the dso error
* @param bufsize The size of the provided buffer
*/
APR_DECLARE(const char *) apr_dso_error(apr_dso_handle_t *dso, char *buf, apr_size_t bufsize);
#endif /* APR_HAS_DSO */
/** @} */
#ifdef __cplusplus
}
#endif
#endif
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