added ace + vcproj for win
--HG-- branch : trunk
This commit is contained in:
Vendored
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// -*- C++ -*-
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//=============================================================================
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/**
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* @file Atomic_Op.h
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*
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* $Id: Atomic_Op.h 89936 2010-04-20 13:04:53Z johnnyw $
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*
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* @author Douglas C. Schmidt <[email protected]>
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*/
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//=============================================================================
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#ifndef ACE_ATOMIC_OP_H
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#define ACE_ATOMIC_OP_H
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#include /**/ "ace/pre.h"
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#include /**/ "ace/config-all.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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#include "ace/Thread_Mutex.h"
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// Include the templates here.
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#include "ace/Atomic_Op_T.h"
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// Determine whether builtin atomic op support is
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// available on this platform.
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#if defined (ACE_HAS_THREADS)
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# if defined (WIN32)
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# if defined (ACE_HAS_INTRINSIC_INTERLOCKED)
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# define ACE_HAS_BUILTIN_ATOMIC_OP
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# endif /* ACE_HAS_INTRINSIC_INTERLOCKED */
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# if defined (ACE_HAS_INTERLOCKED_EXCHANGEADD)
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# define ACE_HAS_BUILTIN_ATOMIC_OP
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# else /* ACE_HAS_INTERLOCKED_EXCHANGEADD */
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// Inline assembly emulation of InterlockedExchangeAdd
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// is currently only implemented for MSVC (x86 only) and Borland.
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# if (defined (_MSC_VER) && defined (_M_IX86)) || defined (__BORLANDC__)
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# define ACE_HAS_BUILTIN_ATOMIC_OP
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# endif /* _MSC_VER || __BORLANDC__ */
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# endif /* ACE_HAS_INTERLOCKED_EXCHANGEADD */
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# elif defined (ACE_HAS_INTEL_ASSEMBLY)
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# define ACE_HAS_BUILTIN_ATOMIC_OP
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# elif defined (ACE_HAS_VXATOMICLIB)
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# define ACE_HAS_BUILTIN_ATOMIC_OP
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# elif defined (ACE_HAS_SOLARIS_ATOMIC_LIB) && !defined (ACE_HAS_BUILTIN_ATOMIC_OP)
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# define ACE_HAS_BUILTIN_ATOMIC_OP
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# endif /* WIN32 */
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#endif /* ACE_HAS_THREADS */
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// If we have the GCC Atomic builtin support, use it
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#if defined (ACE_HAS_GCC_ATOMIC_BUILTINS) && (ACE_HAS_GCC_ATOMIC_BUILTINS == 1)
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# undef ACE_HAS_BUILTIN_ATOMIC_OP
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#endif
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// Include the templates here.
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#include "ace/Atomic_Op_GCC_T.h"
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ACE_BEGIN_VERSIONED_NAMESPACE_DECL
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#if defined (ACE_HAS_BUILTIN_ATOMIC_OP)
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/**
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* @brief Specialization of ACE_Atomic_Op for platforms that
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* support atomic integer operations.
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*
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* Specialization of ACE_Atomic_Op for platforms that support atomic
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* integer operations.
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*/
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template<>
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class ACE_Export ACE_Atomic_Op<ACE_Thread_Mutex, long>
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{
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public:
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/// Initialize @c value_ to 0.
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ACE_Atomic_Op (void);
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/// Initialize @c value_ to c.
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ACE_Atomic_Op (long c);
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/// Manage copying...
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ACE_Atomic_Op (const ACE_Atomic_Op<ACE_Thread_Mutex, long> &c);
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/// Atomically pre-increment @c value_.
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long operator++ (void);
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/// Atomically post-increment @c value_.
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long operator++ (int);
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/// Atomically increment @c value_ by rhs.
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long operator+= (long rhs);
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/// Atomically pre-decrement @c value_.
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long operator-- (void);
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/// Atomically post-decrement @c value_.
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long operator-- (int);
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/// Atomically decrement @c value_ by rhs.
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long operator-= (long rhs);
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/// Atomically compare @c value_ with rhs.
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bool operator== (long rhs) const;
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/// Atomically compare @c value_ with rhs.
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bool operator!= (long rhs) const;
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/// Atomically check if @c value_ greater than or equal to rhs.
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bool operator>= (long rhs) const;
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/// Atomically check if @c value_ greater than rhs.
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bool operator> (long rhs) const;
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/// Atomically check if @c value_ less than or equal to rhs.
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bool operator<= (long rhs) const;
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/// Atomically check if @c value_ less than rhs.
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bool operator< (long rhs) const;
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/// Atomically assign rhs to @c value_.
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ACE_Atomic_Op<ACE_Thread_Mutex, long> &operator= (long rhs);
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/// Atomically assign <rhs> to @c value_.
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ACE_Atomic_Op<ACE_Thread_Mutex, long> &operator= (const ACE_Atomic_Op<ACE_Thread_Mutex, long> &rhs);
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/// Explicitly return @c value_.
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long value (void) const;
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/// Dump the state of an object.
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void dump (void) const;
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/// Explicitly return @c value_ (by reference).
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volatile long &value_i (void);
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// ACE_ALLOC_HOOK_DECLARE;
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// Declare the dynamic allocation hooks.
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/// Used during ACE object manager initialization to optimize the fast
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/// atomic op implementation according to the number of CPUs.
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static void init_functions (void);
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private:
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// This function cannot be supported by this template specialization.
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// If you need access to an underlying lock, use the ACE_Atomic_Op_Ex
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// template instead.
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ACE_Thread_Mutex &mutex (void);
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private:
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/// Current object decorated by the atomic op.
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volatile long value_;
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// Pointers to selected atomic op implementations.
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static long (*increment_fn_) (volatile long *);
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static long (*decrement_fn_) (volatile long *);
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static long (*exchange_fn_) (volatile long *, long);
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static long (*exchange_add_fn_) (volatile long *, long);
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};
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/**
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* @brief Specialization of ACE_Atomic_Op for platforms that
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* support atomic integer operations.
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*
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* Specialization of ACE_Atomic_Op for platforms that support atomic
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* integer operations.
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*/
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template<>
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class ACE_Export ACE_Atomic_Op<ACE_Thread_Mutex, unsigned long>
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{
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public:
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/// Initialize @c value_ to 0.
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ACE_Atomic_Op (void);
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/// Initialize @c value_ to c.
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ACE_Atomic_Op (unsigned long c);
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/// Manage copying...
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ACE_Atomic_Op (const ACE_Atomic_Op<ACE_Thread_Mutex, unsigned long> &c);
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/// Atomically pre-increment @c value_.
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unsigned long operator++ (void);
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/// Atomically post-increment @c value_.
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unsigned long operator++ (int);
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/// Atomically increment @c value_ by rhs.
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unsigned long operator+= (unsigned long rhs);
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/// Atomically pre-decrement @c value_.
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unsigned long operator-- (void);
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/// Atomically post-decrement @c value_.
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unsigned long operator-- (int);
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/// Atomically decrement @c value_ by rhs.
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unsigned long operator-= (unsigned long rhs);
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/// Atomically compare @c value_ with rhs.
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bool operator== (unsigned long rhs) const;
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/// Atomically compare @c value_ with rhs.
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bool operator!= (unsigned long rhs) const;
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/// Atomically check if @c value_ greater than or equal to rhs.
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bool operator>= (unsigned long rhs) const;
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/// Atomically check if @c value_ greater than rhs.
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bool operator> (unsigned long rhs) const;
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/// Atomically check if @c value_ less than or equal to rhs.
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bool operator<= (unsigned long rhs) const;
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/// Atomically check if @c value_ less than rhs.
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bool operator< (unsigned long rhs) const;
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/// Atomically assign rhs to @c value_.
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ACE_Atomic_Op<ACE_Thread_Mutex, unsigned long> &operator= (unsigned long rhs);
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/// Atomically assign <rhs> to @c value_.
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ACE_Atomic_Op<ACE_Thread_Mutex, unsigned long> &operator= (const ACE_Atomic_Op<ACE_Thread_Mutex, unsigned long> &rhs);
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/// Explicitly return @c value_.
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unsigned long value (void) const;
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/// Dump the state of an object.
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void dump (void) const;
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/// Explicitly return @c value_ (by reference).
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volatile unsigned long &value_i (void);
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// ACE_ALLOC_HOOK_DECLARE;
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// Declare the dynamic allocation hooks.
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/// Used during ACE object manager initialization to optimize the fast
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/// atomic op implementation according to the number of CPUs.
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static void init_functions (void);
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private:
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/// This function cannot be supported by this template specialization.
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/// If you need access to an underlying lock, use the ACE_Atomic_Op_Ex
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/// template instead.
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ACE_Thread_Mutex &mutex (void);
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private:
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/// Current object decorated by the atomic op.
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volatile unsigned long value_;
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// Pointers to selected atomic op implementations.
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static long (*increment_fn_) (volatile long *);
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static long (*decrement_fn_) (volatile long *);
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static long (*exchange_fn_) (volatile long *, long);
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static long (*exchange_add_fn_) (volatile long *, long);
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};
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#endif /* !ACE_HAS_BUILTIN_ATOMIC_OP */
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#if defined (ACE_HAS_GCC_ATOMIC_BUILTINS) && (ACE_HAS_GCC_ATOMIC_BUILTINS == 1)
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template<>
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class ACE_Export ACE_Atomic_Op<ACE_Thread_Mutex, int>
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: public ACE_Atomic_Op_GCC<int>
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{
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public:
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ACE_Atomic_Op (void);
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ACE_Atomic_Op (int c);
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ACE_Atomic_Op (const ACE_Atomic_Op<ACE_Thread_Mutex, int> &c);
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ACE_Atomic_Op<ACE_Thread_Mutex, int> &operator= (int rhs);
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};
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template<>
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class ACE_Export ACE_Atomic_Op<ACE_Thread_Mutex, unsigned int>
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: public ACE_Atomic_Op_GCC<unsigned int>
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{
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public:
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ACE_Atomic_Op (void);
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ACE_Atomic_Op (unsigned int c);
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ACE_Atomic_Op (const ACE_Atomic_Op<ACE_Thread_Mutex, unsigned> &c);
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ACE_Atomic_Op<ACE_Thread_Mutex, unsigned int> &operator= (unsigned int rhs);
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};
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// If we have built in atomic op, use that, the assignment operator
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// is faster for a long/unsinged long
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template<>
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class ACE_Export ACE_Atomic_Op<ACE_Thread_Mutex, long>
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: public ACE_Atomic_Op_GCC<long>
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{
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public:
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ACE_Atomic_Op (void);
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ACE_Atomic_Op (long c);
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ACE_Atomic_Op (const ACE_Atomic_Op<ACE_Thread_Mutex, long> &c);
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ACE_Atomic_Op<ACE_Thread_Mutex, long> &operator= (long rhs);
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};
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template<>
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class ACE_Export ACE_Atomic_Op<ACE_Thread_Mutex, unsigned long>
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: public ACE_Atomic_Op_GCC<unsigned long>
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{
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public:
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ACE_Atomic_Op (void);
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ACE_Atomic_Op (unsigned long c);
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ACE_Atomic_Op (const ACE_Atomic_Op<ACE_Thread_Mutex, unsigned long> &c);
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ACE_Atomic_Op<ACE_Thread_Mutex, unsigned long> &operator= (unsigned long rhs);
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};
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#if !defined (ACE_LACKS_GCC_ATOMIC_BUILTINS_2)
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template<>
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class ACE_Export ACE_Atomic_Op<ACE_Thread_Mutex, short>
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: public ACE_Atomic_Op_GCC<short>
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{
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public:
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ACE_Atomic_Op (void);
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ACE_Atomic_Op (short c);
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ACE_Atomic_Op (const ACE_Atomic_Op<ACE_Thread_Mutex, short> &c);
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ACE_Atomic_Op<ACE_Thread_Mutex, short> &operator= (short rhs);
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};
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template<>
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class ACE_Export ACE_Atomic_Op<ACE_Thread_Mutex, unsigned short>
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: public ACE_Atomic_Op_GCC<unsigned short>
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{
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public:
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ACE_Atomic_Op (void);
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ACE_Atomic_Op (unsigned short c);
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ACE_Atomic_Op (const ACE_Atomic_Op<ACE_Thread_Mutex, unsigned short> &c);
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ACE_Atomic_Op<ACE_Thread_Mutex, unsigned short> &operator= (unsigned short rhs);
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};
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#endif
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#if !defined (ACE_LACKS_GCC_ATOMIC_BUILTINS_1)
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template<>
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class ACE_Export ACE_Atomic_Op<ACE_Thread_Mutex, bool>
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: public ACE_Atomic_Op_GCC<bool>
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{
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public:
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ACE_Atomic_Op (void);
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ACE_Atomic_Op (bool c);
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ACE_Atomic_Op (const ACE_Atomic_Op<ACE_Thread_Mutex, bool> &c);
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ACE_Atomic_Op<ACE_Thread_Mutex, bool> &operator= (bool rhs);
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};
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#endif
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#endif /* ACE_HAS_BUILTIN_ATOMIC_OP */
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ACE_END_VERSIONED_NAMESPACE_DECL
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#if defined (__ACE_INLINE__)
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#include "ace/Atomic_Op.inl"
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#endif /* __ACE_INLINE__ */
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#include /**/ "ace/post.h"
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#endif /*ACE_ATOMIC_OP_H*/
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