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88 lines
2.7 KiB
C++
88 lines
2.7 KiB
C++
/* -*- C++ -*- */
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//=============================================================================
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/**
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* @file Message_Block_T.h
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*
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* $Id: Message_Block_T.h 80826 2008-03-04 14:51:23Z wotte $
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*
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* @author Douglas C. Schmidt <schmidt@cs.wustl.edu>
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* @author Carlos O'Ryan <coryan@atdesk.com>
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*/
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//=============================================================================
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#ifndef ACE_MESSAGE_BLOCK_T_H
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#define ACE_MESSAGE_BLOCK_T_H
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#include /**/ "ace/pre.h"
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#include "ace/Message_Block.h"
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#if !defined (ACE_LACKS_PRAGMA_ONCE)
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# pragma once
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#endif /* ACE_LACKS_PRAGMA_ONCE */
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ACE_BEGIN_VERSIONED_NAMESPACE_DECL
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/**
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* @class ACE_Locked_Data_Block
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*
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* @brief A Data_Block with a concrete locking strategy.
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*
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* Data_Blocks can be parametric on the kind of lock they use; in
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* many cases the lifetime of the lock is tied to the lifetime of
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* the Data_Block itself. But since Data_Blocks are reference
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* counted it is hard for users to control the lock lifetime.
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* This class is parametric over the kind of lock used.
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*/
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template <class ACE_LOCK>
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class ACE_Locked_Data_Block : public ACE_Data_Block
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{
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public:
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// = Initialization and termination methods.
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/// Default "do-nothing" constructor.
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ACE_Locked_Data_Block (void);
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/// Initialize.
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ACE_Locked_Data_Block (size_t size,
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ACE_Message_Block::ACE_Message_Type msg_type,
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const char *msg_data,
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ACE_Allocator *allocator_strategy,
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ACE_Message_Block::Message_Flags flags,
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ACE_Allocator *data_block_allocator);
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/// Delete all the resources held in the message.
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virtual ~ACE_Locked_Data_Block (void);
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/**
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* Return an exact "deep copy" of the message, the dynamic type is
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* ACE_Locked_Data_Block<>
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* See the documentation in Message_Block.h for details.
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*/
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virtual ACE_Data_Block *clone_nocopy (ACE_Message_Block::Message_Flags mask = 0,
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size_t max_size = 0) const;
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private:
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/// The lock
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ACE_LOCK lock_;
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// = Disallow these operations.
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ACE_UNIMPLEMENTED_FUNC (ACE_Locked_Data_Block<ACE_LOCK> &operator= (const ACE_Locked_Data_Block<ACE_LOCK> &))
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ACE_UNIMPLEMENTED_FUNC (ACE_Locked_Data_Block (const ACE_Locked_Data_Block<ACE_LOCK> &))
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};
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ACE_END_VERSIONED_NAMESPACE_DECL
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#if defined (__ACE_INLINE__)
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#include "ace/Message_Block_T.inl"
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#endif /* __ACE_INLINE__ */
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#if defined (ACE_TEMPLATES_REQUIRE_SOURCE)
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#include "ace/Message_Block_T.cpp"
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#endif /* ACE_TEMPLATES_REQUIRE_SOURCE */
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#if defined (ACE_TEMPLATES_REQUIRE_PRAGMA)
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#pragma implementation ("Message_Block_T.cpp")
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#endif /* ACE_TEMPLATES_REQUIRE_PRAGMA */
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#include /**/ "ace/post.h"
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#endif /* ACE_MESSAGE_BLOCK_T_H */
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