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/* -*- C++ -*- */
//=============================================================================
/**
* @file Message_Block_T.h
*
* @author Douglas C. Schmidt <d.schmidt@vanderbilt.edu>
* @author Carlos O'Ryan <coryan@atdesk.com>
*/
//=============================================================================
#ifndef ACE_MESSAGE_BLOCK_T_H
#define ACE_MESSAGE_BLOCK_T_H
#include /**/ "ace/pre.h"
#include "ace/Message_Block.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
/**
* @class ACE_Locked_Data_Block
*
* @brief A Data_Block with a concrete locking strategy.
*
* Data_Blocks can be parametric on the kind of lock they use; in
* many cases the lifetime of the lock is tied to the lifetime of
* the Data_Block itself. But since Data_Blocks are reference
* counted it is hard for users to control the lock lifetime.
* This class is parametric over the kind of lock used.
*/
template <class ACE_LOCK>
class ACE_Locked_Data_Block : public ACE_Data_Block
{
public:
/// Default "do-nothing" constructor.
ACE_Locked_Data_Block ();
/// Initialize.
ACE_Locked_Data_Block (size_t size,
ACE_Message_Block::ACE_Message_Type msg_type,
const char *msg_data,
ACE_Allocator *allocator_strategy,
ACE_Message_Block::Message_Flags flags,
ACE_Allocator *data_block_allocator);
/// Delete all the resources held in the message.
virtual ~ACE_Locked_Data_Block ();
/**
* Return an exact "deep copy" of the message, the dynamic type is
* ACE_Locked_Data_Block<>
* See the documentation in Message_Block.h for details.
*/
virtual ACE_Data_Block *clone_nocopy (ACE_Message_Block::Message_Flags mask = 0,
size_t max_size = 0) const;
private:
/// The lock
ACE_LOCK lock_;
// = Disallow these operations.
ACE_Locked_Data_Block<ACE_LOCK> &operator= (const ACE_Locked_Data_Block<ACE_LOCK> &) = delete;
ACE_Locked_Data_Block (const ACE_Locked_Data_Block<ACE_LOCK> &) = delete;
};
ACE_END_VERSIONED_NAMESPACE_DECL
#if defined (__ACE_INLINE__)
#include "ace/Message_Block_T.inl"
#endif /* __ACE_INLINE__ */
#if defined (ACE_TEMPLATES_REQUIRE_SOURCE)
#include "ace/Message_Block_T.cpp"
#endif /* ACE_TEMPLATES_REQUIRE_SOURCE */
#if defined (ACE_TEMPLATES_REQUIRE_PRAGMA)
#pragma implementation ("Message_Block_T.cpp")
#endif /* ACE_TEMPLATES_REQUIRE_PRAGMA */
#include /**/ "ace/post.h"
#endif /* ACE_MESSAGE_BLOCK_T_H */
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