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Annotation of win32/apache22/srclib/apr/include/apr_dso.h, revision 1.1

1.1     ! moko        1: /* Licensed to the Apache Software Foundation (ASF) under one or more
        !             2:  * contributor license agreements.  See the NOTICE file distributed with
        !             3:  * this work for additional information regarding copyright ownership.
        !             4:  * The ASF licenses this file to You under the Apache License, Version 2.0
        !             5:  * (the "License"); you may not use this file except in compliance with
        !             6:  * the License.  You may obtain a copy of the License at
        !             7:  *
        !             8:  *     http://www.apache.org/licenses/LICENSE-2.0
        !             9:  *
        !            10:  * Unless required by applicable law or agreed to in writing, software
        !            11:  * distributed under the License is distributed on an "AS IS" BASIS,
        !            12:  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
        !            13:  * See the License for the specific language governing permissions and
        !            14:  * limitations under the License.
        !            15:  */
        !            16: 
        !            17: #ifndef APR_DSO_DOT_H
        !            18: #define APR_DSO_DOT_H
        !            19: 
        !            20: /**
        !            21:  * @file apr_dso.h
        !            22:  * @brief APR Dynamic Object Handling Routines
        !            23:  */
        !            24: 
        !            25: #include "apr.h"
        !            26: #include "apr_pools.h"
        !            27: #include "apr_errno.h"
        !            28: 
        !            29: #ifdef __cplusplus
        !            30: extern "C" {
        !            31: #endif
        !            32: 
        !            33: /**
        !            34:  * @defgroup apr_dso Dynamic Object Handling
        !            35:  * @ingroup APR 
        !            36:  * @{
        !            37:  */
        !            38: 
        !            39: #if APR_HAS_DSO || defined(DOXYGEN)
        !            40: 
        !            41: /**
        !            42:  * Structure for referencing dynamic objects
        !            43:  */
        !            44: typedef struct apr_dso_handle_t       apr_dso_handle_t;
        !            45: 
        !            46: /**
        !            47:  * Structure for referencing symbols from dynamic objects
        !            48:  */
        !            49: typedef void *                        apr_dso_handle_sym_t;
        !            50: 
        !            51: /**
        !            52:  * Load a DSO library.
        !            53:  * @param res_handle Location to store new handle for the DSO.
        !            54:  * @param path Path to the DSO library
        !            55:  * @param ctx Pool to use.
        !            56:  * @bug We aught to provide an alternative to RTLD_GLOBAL, which
        !            57:  * is the only supported method of loading DSOs today.
        !            58:  */
        !            59: APR_DECLARE(apr_status_t) apr_dso_load(apr_dso_handle_t **res_handle, 
        !            60:                                        const char *path, apr_pool_t *ctx);
        !            61: 
        !            62: /**
        !            63:  * Close a DSO library.
        !            64:  * @param handle handle to close.
        !            65:  */
        !            66: APR_DECLARE(apr_status_t) apr_dso_unload(apr_dso_handle_t *handle);
        !            67: 
        !            68: /**
        !            69:  * Load a symbol from a DSO handle.
        !            70:  * @param ressym Location to store the loaded symbol
        !            71:  * @param handle handle to load the symbol from.
        !            72:  * @param symname Name of the symbol to load.
        !            73:  */
        !            74: APR_DECLARE(apr_status_t) apr_dso_sym(apr_dso_handle_sym_t *ressym, 
        !            75:                                       apr_dso_handle_t *handle,
        !            76:                                       const char *symname);
        !            77: 
        !            78: /**
        !            79:  * Report more information when a DSO function fails.
        !            80:  * @param dso The dso handle that has been opened
        !            81:  * @param buf Location to store the dso error
        !            82:  * @param bufsize The size of the provided buffer
        !            83:  */
        !            84: APR_DECLARE(const char *) apr_dso_error(apr_dso_handle_t *dso, char *buf, apr_size_t bufsize);
        !            85: 
        !            86: #endif /* APR_HAS_DSO */
        !            87: 
        !            88: /** @} */
        !            89: 
        !            90: #ifdef __cplusplus
        !            91: }
        !            92: #endif
        !            93: 
        !            94: #endif