shlSharedLibraryLoader.cpp

Go to the documentation of this file.

/*******************************************************************************
* Copyright (C) 2005, Vintela, Inc. All rights reserved.
* Copyright (C) 2006, Novell, Inc. All rights reserved.
* 
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 
*     * Redistributions of source code must retain the above copyright notice,
*       this list of conditions and the following disclaimer.
*     * Redistributions in binary form must reproduce the above copyright
*       notice, this list of conditions and the following disclaimer in the
*       documentation and/or other materials provided with the distribution.
*     * Neither the name of 
*       Vintela, Inc., 
*       nor Novell, Inc., 
*       nor the names of its contributors or employees may be used to 
*       endorse or promote products derived from this software without 
*       specific prior written permission.
* 
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*******************************************************************************/
 
 
#include "blocxx/BLOCXX_config.h"
#if defined(BLOCXX_USE_SHL)
#include "blocxx/shlSharedLibraryLoader.hpp"
#include "blocxx/shlSharedLibrary.hpp"
#include "blocxx/Format.hpp"
 
#include <dl.h>
#include <errno.h>
 
namespace BLOCXX_NAMESPACE
{
 
namespace
{
   String COMPONENT_NAME("blocxx.shlSharedLibraryLoader");
}
 
SharedLibraryRef
shlSharedLibraryLoader::loadSharedLibrary(const String& filename) const
{
   shl_t libhandle = ::shl_load(filename.c_str(), BIND_IMMEDIATE, 0L);
   if (libhandle)
   {
      try
      {
         return SharedLibraryRef( new shlSharedLibrary(libhandle,
            filename));
      }
      catch (...)
      {
         ::shl_unload(libhandle);
         throw;
      }
   }
   else
   {
      Logger logger(COMPONENT_NAME);
      BLOCXX_LOG_ERROR(logger, Format("shlSharedLibraryLoader::loadSharedLibrary "
         "shl_load returned NULL.  Error is: %1(%2)", errno, strerror(errno)));
      return SharedLibraryRef( 0 );
   }
}
SharedLibraryLoaderRef
SharedLibraryLoader::createSharedLibraryLoader()
{
   return SharedLibraryLoaderRef(new shlSharedLibraryLoader);
}
shlSharedLibraryLoader::~shlSharedLibraryLoader()
{
}
 
} // end namespace BLOCXX_NAMESPACE
 
#endif // #if defined(BLOCXX_USE_SHL)