#include <cpPlugins/OS/DLLManager.h>
#ifdef cpExtensions_OS_Windows
#else // cpExtensions_OS_Windows
#  include <dlfcn.h>
#endif // cpExtensions_OS_Windows

// -------------------------------------------------------------------------
void* cpPlugins::OS::DLLManager::
Open( const std::string& filename )
{
  void* hnd = NULL;
#ifdef cpExtensions_OS_Windows
#else // cpExtensions_OS_Windows
  hnd = dlopen( filename.c_str( ), RTLD_NOW | RTLD_GLOBAL );
  char* error = dlerror( );
  if( error != NULL )
    throw std::runtime_error( error );
#endif // cpExtensions_OS_Windows
  return( hnd );
}

// -------------------------------------------------------------------------
void cpPlugins::OS::DLLManager::
Close( void* hnd )
{
#ifdef cpExtensions_OS_Windows
#else // cpExtensions_OS_Windows
  /* TODO: why this clashes with VTK? -> Unregistering of factories.
     dlclose( hnd );
     dlerror( );
  */
#endif // cpExtensions_OS_Windows
}

// -------------------------------------------------------------------------
void* cpPlugins::OS::DLLManager::
Sym( void* hnd, const std::string& symbol )
{
  void* sym = NULL;
#ifdef cpExtensions_OS_Windows
#else // cpExtensions_OS_Windows
  sym = dlsym( hnd, symbol.c_str( ) );
  char* error = dlerror( );
  if( error != NULL )
    throw std::runtime_error( error );
#endif // cpExtensions_OS_Windows
  return( sym );
}

// eof - $RCSfile$