shlSharedLibraryLoader.cpp

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* Copyright (C) 2006, Novell, Inc. All rights reserved.
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#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)