95 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			95 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* Licensed to the Apache Software Foundation (ASF) under one or more
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|  * contributor license agreements.  See the NOTICE file distributed with
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|  * this work for additional information regarding copyright ownership.
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|  * The ASF licenses this file to You under the Apache License, Version 2.0
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|  * (the "License"); you may not use this file except in compliance with
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|  * the License.  You may obtain a copy of the License at
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|  *
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|  *     http://www.apache.org/licenses/LICENSE-2.0
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|  *
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|  * Unless required by applicable law or agreed to in writing, software
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|  * distributed under the License is distributed on an "AS IS" BASIS,
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|  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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|  * See the License for the specific language governing permissions and
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|  * limitations under the License.
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|  */
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| 
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| #ifndef APR_DSO_DOT_H
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| #define APR_DSO_DOT_H
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| 
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| /**
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|  * @file apr_dso.h
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|  * @brief APR Dynamic Object Handling Routines
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|  */
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| 
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| #include "apr.h"
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| #include "apr_pools.h"
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| #include "apr_errno.h"
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| 
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| #ifdef __cplusplus
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| extern "C" {
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| #endif
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| 
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| /**
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|  * @defgroup apr_dso Dynamic Object Handling
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|  * @ingroup APR 
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|  * @{
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|  */
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| 
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| #if APR_HAS_DSO || defined(DOXYGEN)
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| 
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| /**
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|  * Structure for referencing dynamic objects
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|  */
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| typedef struct apr_dso_handle_t       apr_dso_handle_t;
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| 
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| /**
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|  * Structure for referencing symbols from dynamic objects
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|  */
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| typedef void *                        apr_dso_handle_sym_t;
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| 
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| /**
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|  * Load a DSO library.
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|  * @param res_handle Location to store new handle for the DSO.
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|  * @param path Path to the DSO library
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|  * @param ctx Pool to use.
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|  * @bug We aught to provide an alternative to RTLD_GLOBAL, which
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|  * is the only supported method of loading DSOs today.
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|  */
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| APR_DECLARE(apr_status_t) apr_dso_load(apr_dso_handle_t **res_handle, 
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|                                        const char *path, apr_pool_t *ctx);
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| 
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| /**
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|  * Close a DSO library.
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|  * @param handle handle to close.
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|  */
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| APR_DECLARE(apr_status_t) apr_dso_unload(apr_dso_handle_t *handle);
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| 
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| /**
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|  * Load a symbol from a DSO handle.
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|  * @param ressym Location to store the loaded symbol
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|  * @param handle handle to load the symbol from.
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|  * @param symname Name of the symbol to load.
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|  */
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| APR_DECLARE(apr_status_t) apr_dso_sym(apr_dso_handle_sym_t *ressym, 
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|                                       apr_dso_handle_t *handle,
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|                                       const char *symname);
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| 
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| /**
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|  * Report more information when a DSO function fails.
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|  * @param dso The dso handle that has been opened
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|  * @param buf Location to store the dso error
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|  * @param bufsize The size of the provided buffer
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|  */
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| APR_DECLARE(const char *) apr_dso_error(apr_dso_handle_t *dso, char *buf, apr_size_t bufsize);
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| 
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| #endif /* APR_HAS_DSO */
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| 
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| /** @} */
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| 
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| #ifdef __cplusplus
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| }
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| #endif
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| 
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| #endif
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