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{ Copyright 2000-2005 The Apache Software Foundation or its licensors, as
* applicable.
*
* Licensed 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.
}
{
* @file apr_dso.h
* @brief APR Dynamic Object Handling Routines
}
{#include "apr.h"
#include "apr_pools.h"
#include "apr_errno.h"}
{
* @defgroup apr_dso Dynamic Object Handling
* @ingroup APR
}
{$define APR_HAS_DSO}
{$if defined(APR_HAS_DSO) or defined(DOXYGEN)}
{
* Structure for referencing dynamic objects
}
type
apr_dso_handle_t = record
end;
Papr_dso_handle_t = ^apr_dso_handle_t;
PPapr_dso_handle_t = ^Papr_dso_handle_t;
{
* Structure for referencing symbols from dynamic objects
}
apr_dso_handle_sym_t = Pointer;
Papr_dso_handle_sym_t = ^apr_dso_handle_sym_t;
PPapr_dso_handle_sym_t = ^Papr_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.
}
function apr_dso_load(res_handle: PPapr_dso_handle_t; const path: PChar;
ctx: Papr_pool_t): apr_status_t;
{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
external LibAPR name LibNamePrefix + 'apr_dso_load' + LibSuff12;
{
* Close a DSO library.
* @param handle handle to close.
}
function apr_dso_unload(handle: Papr_dso_handle_t): apr_status_t;
{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
external LibAPR name LibNamePrefix + 'apr_dso_unload' + LibSuff4;
{
* 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.
}
function apr_dso_sym(ressym: Papr_dso_handle_t; handle: Papr_dso_handle_t;
const symname: PChar): apr_status_t;
{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
external LibAPR name LibNamePrefix + 'apr_dso_sym' + LibSuff12;
{
* Report more information when a DSO function fails.
* @param dso The dso handle that has been opened
* @param buf Location to store the dso error
* @param bufsize The size of the provided buffer
}
function apr_dso_error(dso: Papr_dso_handle_t; buf: PChar;
bufsize: apr_size_t): PChar;
{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
external LibAPR name LibNamePrefix + 'apr_dso_error' + LibSuff12;
{$endif}
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