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/* -*- C++ -*- */
// =========================================================================
// $Id$
//
// = LIBRARY
// Trading
//
// = FILENAME
// Locking.h
//
// = AUTHOR
// Marina Spivak <marina@cs.wustl.edu>
// Seth Widoff <sbw1@cs.wustl.edu>
// Irfan Pyarali <irfan@cs.wustl.edu>
//
// ==========================================================================
#ifndef TAO_LOCKING_H
#define TAO_LOCKING_H
#include "tao/corba.h"
// Macros for obtaining read/write locks that are
// automatically released at the end of scope.
// In case of failure, CORBA::SystemException is thrown.
#define TAO_WRITE_GUARD(MUTEX,OBJ,LOCK) \
ACE_Write_Guard<MUTEX> OBJ (LOCK); \
if (OBJ.locked () == 0) \
TAO_THROW (CORBA::UNKNOWN (CORBA::COMPLETED_NO));
#define TAO_READ_GUARD(MUTEX,OBJ,LOCK) \
ACE_Read_Guard<MUTEX> OBJ (LOCK); \
if (OBJ.locked () == 0) \
TAO_THROW (CORBA::UNKNOWN (CORBA::COMPLETED_NO));
#define TAO_WRITE_GUARD_RETURN(MUTEX,OBJ,LOCK,RETURN) \
ACE_Write_Guard<MUTEX> OBJ (LOCK); \
if (OBJ.locked () == 0) \
TAO_THROW_RETURN (CORBA::UNKNOWN (CORBA::COMPLETED_NO), RETURN);
#define TAO_READ_GUARD_RETURN(MUTEX,OBJ,LOCK,RETURN) \
ACE_Read_Guard<MUTEX> OBJ (LOCK); \
if (OBJ.locked () == 0) \
TAO_THROW_RETURN (CORBA::UNKNOWN (CORBA::COMPLETED_NO), RETURN);
#endif /* TAO_LOCKING_H */
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