StreamHolder.cxx

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//
// Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
//
 
// Local include(s).
#include "AthCUDAInterfaces/StreamHolder.h"
#include "AthCUDAInterfaces/IStreamPoolSvc.h"
 
namespace AthCUDA {
 
   StreamHolder::StreamHolder()
   : m_stream( nullptr ), m_pool( nullptr ) {
 
   }
 
   StreamHolder::StreamHolder( void* stream, IStreamPoolSvc* pool )
   : m_stream( stream ), m_pool( pool ) {
 
   }
 
   StreamHolder::StreamHolder( StreamHolder&& parent )
   : m_stream( parent.m_stream ), m_pool( parent.m_pool ) {
 
      parent.m_stream = nullptr;
      parent.m_pool = nullptr;
   }
 
   StreamHolder::~StreamHolder() {
 
      if( ( m_stream != nullptr ) && ( m_pool != nullptr ) ) {
         m_pool->yieldStream( *this );
      }
   }
 
   StreamHolder& StreamHolder::operator=( StreamHolder&& rhs ) {
 
      // Check if anything needs to be done.
      if( this == &rhs ) {
         return *this;
      }
 
      // Perform the move.
      m_stream = rhs.m_stream;
      rhs.m_stream = nullptr;
      m_pool = rhs.m_pool;
      rhs.m_pool = nullptr;
      return *this;
   }
 
   StreamHolder::operator bool() const {
 
      return ( m_stream != nullptr );
   }
 
} // namespace AthCUDA