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// -*- C++ -*-
//==========================================================================
/**
* @file Synch_Traits.h
*
* @author Douglas C. Schmidt <d.schmidt@vanderbilt.edu>
*/
//==========================================================================
#ifndef ACE_SYNCH_TRAITS_H
#define ACE_SYNCH_TRAITS_H
#include /**/ "ace/pre.h"
#include /**/ "ace/config-all.h" /* Need to know threads, template settings */
#include "ace/Lock.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
// Forward decl
class ACE_Null_Mutex;
class ACE_Null_Semaphore;
class ACE_Null_Mutex;
class ACE_Thread_Mutex;
class ACE_Process_Mutex;
class ACE_Recursive_Thread_Mutex;
class ACE_RW_Thread_Mutex;
class ACE_Thread_Semaphore;
template <class MUTEX> class ACE_Condition;
typedef ACE_Condition<ACE_Null_Mutex> ACE_Null_Condition;
typedef ACE_Condition<ACE_Thread_Mutex> ACE_Condition_Thread_Mutex;
typedef ACE_Condition<ACE_Recursive_Thread_Mutex> ACE_Condition_Recursive_Thread_Mutex;
/**
* @class ACE_NULL_SYNCH
*
* @brief Implement a do nothing Synchronization wrapper that
* typedefs the @c ACE_Condition and @c ACE_Mutex to the
* @c Null* versions.
*/
class ACE_Export ACE_NULL_SYNCH
{
public:
typedef ACE_Null_Mutex MUTEX;
typedef ACE_Null_Mutex NULL_MUTEX;
typedef ACE_Null_Mutex PROCESS_MUTEX;
typedef ACE_Null_Mutex RECURSIVE_MUTEX;
typedef ACE_Null_Mutex RW_MUTEX;
typedef ACE_Null_Condition CONDITION;
typedef ACE_Null_Condition RECURSIVE_CONDITION;
typedef ACE_Null_Semaphore SEMAPHORE;
typedef ACE_Null_Mutex NULL_SEMAPHORE;
};
#if defined (ACE_HAS_THREADS)
class ACE_Process_Mutex;
/**
* @class ACE_MT_SYNCH
*
* @brief Implement a default thread safe synchronization wrapper that
* typedefs the @c ACE_Condition and @c ACE_Mutex to the
* @c ACE_Condition and @c ACE_Mutex versions.
*
* @todo This should be a template, but SunC++ 4.0.1 complains about
* this.
*/
class ACE_Export ACE_MT_SYNCH
{
public:
typedef ACE_Thread_Mutex MUTEX;
typedef ACE_Null_Mutex NULL_MUTEX;
typedef ACE_Process_Mutex PROCESS_MUTEX;
typedef ACE_Recursive_Thread_Mutex RECURSIVE_MUTEX;
typedef ACE_RW_Thread_Mutex RW_MUTEX;
typedef ACE_Condition_Thread_Mutex CONDITION;
typedef ACE_Condition_Recursive_Thread_Mutex RECURSIVE_CONDITION;
typedef ACE_Thread_Semaphore SEMAPHORE;
typedef ACE_Null_Semaphore NULL_SEMAPHORE;
};
#endif /* ACE_HAS_THREADS */
#define ACE_SYNCH_MUTEX ACE_SYNCH::MUTEX
#define ACE_SYNCH_NULL_MUTEX ACE_SYNCH::NULL_MUTEX
#define ACE_SYNCH_RECURSIVE_MUTEX ACE_SYNCH::RECURSIVE_MUTEX
#define ACE_SYNCH_RW_MUTEX ACE_SYNCH::RW_MUTEX
#define ACE_SYNCH_CONDITION ACE_SYNCH::CONDITION
#define ACE_SYNCH_RECURSIVE_CONDITION ACE_SYNCH::RECURSIVE_CONDITION
#define ACE_SYNCH_NULL_SEMAPHORE ACE_SYNCH::NULL_SEMAPHORE
#define ACE_SYNCH_SEMAPHORE ACE_SYNCH::SEMAPHORE
// These are available on *all* platforms
#define ACE_SYNCH_PROCESS_SEMAPHORE ACE_Process_Semaphore
#define ACE_SYNCH_PROCESS_MUTEX ACE_Process_Mutex
#if defined (ACE_HAS_THREADS)
#define ACE_SYNCH ACE_MT_SYNCH
#else /* ACE_HAS_THREADS */
#define ACE_SYNCH ACE_NULL_SYNCH
#endif /* ACE_HAS_THREADS */
ACE_END_VERSIONED_NAMESPACE_DECL
#include /**/ "ace/post.h"
#endif /* ACE_SYNCH_TRAITS_H */
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