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78 lines
2 KiB
C++
78 lines
2 KiB
C++
// -*- C++ -*-
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//=============================================================================
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/**
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* @file Static_Object_Lock.h
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*
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* $Id: Static_Object_Lock.h 80826 2008-03-04 14:51:23Z wotte $
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*
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* @author David L. Levine <levine@cs.wustl.edu>
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* @author Matthias Kerkhoff
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* @author Per Andersson
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*/
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//=============================================================================
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#ifndef ACE_STATIC_OBJECT_LOCK_H
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#define ACE_STATIC_OBJECT_LOCK_H
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#include /**/ "ace/pre.h"
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#include /**/ "ace/ACE_export.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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#if defined (ACE_HAS_THREADS)
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ACE_BEGIN_VERSIONED_NAMESPACE_DECL
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class ACE_Recursive_Thread_Mutex;
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/**
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* @class ACE_Static_Object_Lock
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*
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* @brief Provide an interface to access a global lock.
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*
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* This class is used to serialize the creation of static
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* singleton objects. It really isn't needed any more, because
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* anyone can access ACE_STATIC_OBJECT_LOCK directly. But, it
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* is retained for backward compatibility.
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*/
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class ACE_Export ACE_Static_Object_Lock
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{
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public:
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/// Static lock access point.
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static ACE_Recursive_Thread_Mutex *instance (void);
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/// For use only by ACE_Object_Manager to clean up lock if it
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/// what dynamically allocated.
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static void cleanup_lock (void);
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};
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ACE_END_VERSIONED_NAMESPACE_DECL
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#endif /* ACE_HAS_THREADS */
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// hack to get around errors while compiling using split-cpp
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#if defined (ACE_HAS_THREADS)
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ACE_BEGIN_VERSIONED_NAMESPACE_DECL
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# if defined (ACE_IS_SPLITTING)
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typedef ACE_Cleanup_Adapter<ACE_Recursive_Thread_Mutex> ACE_Static_Object_Lock_Type;
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# if defined (__GNUC__)
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// With g++, suppress the warning that this is unused.
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static ACE_Static_Object_Lock_Type *ACE_Static_Object_Lock_lock __attribute__ ((unused)) = 0;
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# else
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static ACE_Static_Object_Lock_Type *ACE_Static_Object_Lock_lock = 0;
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# endif /* __GNUC__ */
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# endif /* ACE_IS_SPLITTING */
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ACE_END_VERSIONED_NAMESPACE_DECL
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#endif /* ACE_HAS_THREADS */
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#include /**/ "ace/post.h"
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#endif /* ACE_STATIC_OBJECT_LOCK_H */
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