Edit File: apr_dso.h
/* 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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