shlSharedLibrary.cpp

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00001 /*******************************************************************************
00002 * Copyright (C) 2004 Vintela, Inc. All rights reserved.
00003 * Copyright (C) 2005 Novell, Inc. All rights reserved.
00004 *
00005 * Redistribution and use in source and binary forms, with or without
00006 * modification, are permitted provided that the following conditions are met:
00007 *
00008 *  - Redistributions of source code must retain the above copyright notice,
00009 *    this list of conditions and the following disclaimer.
00010 *
00011 *  - Redistributions in binary form must reproduce the above copyright notice,
00012 *    this list of conditions and the following disclaimer in the documentation
00013 *    and/or other materials provided with the distribution.
00014 *
00015 *  - Neither the name of Vintela, Inc., Novell, Inc., nor the names of its
00016 *    contributors may be used to endorse or promote products derived from this
00017 *    software without specific prior written permission.
00018 *
00019 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
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00022 * ARE DISCLAIMED. IN NO EVENT SHALL Vintela, Inc., Novell, Inc., OR THE 
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00031 
00032 
00037 #include "blocxx/BLOCXX_config.h"
00038 #if defined(BLOCXX_USE_SHL)
00039 #include "blocxx/shlSharedLibrary.hpp"
00040 #include <dl.h>
00041 
00042 namespace BLOCXX_NAMESPACE
00043 {
00044 
00045 shlSharedLibrary::~shlSharedLibrary()
00046 {
00047    ::shl_unload( m_libhandle );
00048 }
00049 bool shlSharedLibrary::doGetFunctionPointer(const String& functionName,
00050       void** fp) const
00051 {
00052    void *symaddr = NULL;
00053    int status = ::shl_findsym( &m_libhandle, functionName.c_str(), TYPE_PROCEDURE, &symaddr );
00054    if (status == -1 || symaddr == NULL)
00055    {
00056       return false;
00057    }
00058    *fp = symaddr;
00059    return true;
00060 }
00061 
00062 } // end namespace BLOCXX_NAMESPACE
00063 
00064 #endif // #if defined(BLOCXX_USE_SHL)

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