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// -*- C++ -*-
//=============================================================================
/**
* @file RT_Mutex.h
*
* $Id$
*
* @author Frank Hunleth <fhunleth@cs.wustl.edu>
*/
//=============================================================================
#ifndef TAO_RT_MUTEX_H
#define TAO_RT_MUTEX_H
#include /**/ "ace/pre.h"
#include "tao/orbconf.h"
#if defined (TAO_HAS_CORBA_MESSAGING) && TAO_HAS_CORBA_MESSAGING != 0
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#define TAO_RTCORBA_SAFE_INCLUDE
#include "tao/RTCORBA/RTCORBAC.h"
#undef TAO_RTCORBA_SAFE_INCLUDE
#include "tao/LocalObject.h"
#if (TAO_HAS_NAMED_RT_MUTEXES == 1)
# include "ace/SString.h"
#endif /* TAO_HAS_NAMED_RT_MUTEXES == 1 */
#if defined(_MSC_VER)
#pragma warning(push)
#pragma warning(disable:4250)
#endif /* _MSC_VER */
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
/**
* @class TAO_RT_Mutex
*
* @brief Abstract base class for the TAO RT Mutex implementations
*
* This class just serves as a base class for any of the TAO
* RT Mutex implementations. Instances of these classes should
* be created using the RTCORBA::create_mutex() method.
*
*/
class TAO_RTCORBA_Export TAO_RT_Mutex
: public RTCORBA::Mutex,
public TAO_Local_RefCounted_Object
{
public:
/// Acquire the lock.
virtual void lock (void);
/// Release the lock.
virtual void unlock (void);
/**
* Acquire the lock, but only wait up to @a max_wait time. Note
* that this operation may not be available on all OS platforms, so
* if you're interested in writing maximally portable programs avoid
* using this operation in your program designs.
*/
virtual CORBA::Boolean try_lock (TimeBase::TimeT max_wait
);
/// Returns the name of the mutex.
virtual const char *name (void) const;
protected:
/// Destructor.
virtual ~TAO_RT_Mutex (void);
protected:
/// Synchronization lock.
TAO_SYNCH_MUTEX mu_;
};
#if (TAO_HAS_NAMED_RT_MUTEXES == 1)
/**
* @class TAO_Named_RT_Mutex
*
* @brief Extension to TAO_RT_Mutex to support named mutexes.
*
*/
class TAO_RTCORBA_Export TAO_Named_RT_Mutex : public TAO_RT_Mutex
{
public:
/// Constructor.
TAO_Named_RT_Mutex (const char *name);
/// Returns the name of the mutex.
virtual const char *name (void) const;
protected:
/// My name.
ACE_CString name_;
};
#endif /* TAO_HAS_NAMED_RT_MUTEXES == 1 */
TAO_END_VERSIONED_NAMESPACE_DECL
#if defined(_MSC_VER)
#pragma warning(pop)
#endif /* _MSC_VER */
#endif /* TAO_HAS_CORBA_MESSAGING && TAO_HAS_CORBA_MESSAGING != 0 */
#include /**/ "ace/post.h"
#endif /* TAO_RT_MUTEX_H */
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