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136 lines
3.3 KiB
C++
136 lines
3.3 KiB
C++
// -*- C++ -*-
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//=============================================================================
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/**
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* @file Atomic_Op_GCC_T.h
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*
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* $Id: Atomic_Op_GCC_T.h 89339 2010-03-05 12:20:47Z johnnyw $
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*
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* @author Johnny Willemsen <jwillemsen@remedy.nl
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*/
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//=============================================================================
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#ifndef ACE_ATOMIC_OP_GCC_T_H
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#define ACE_ATOMIC_OP_GCC_T_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 "ace/ACE_export.h"
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#if defined (ACE_HAS_GCC_ATOMIC_BUILTINS) && (ACE_HAS_GCC_ATOMIC_BUILTINS == 1)
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ACE_BEGIN_VERSIONED_NAMESPACE_DECL
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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<typename T>
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class ACE_Export ACE_Atomic_Op_GCC
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{
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public:
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/// Atomically pre-increment @c value_.
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T operator++ (void);
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/// Atomically post-increment @c value_.
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T operator++ (int);
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/// Atomically increment @c value_ by rhs.
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T operator+= (T rhs);
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/// Atomically pre-decrement @c value_.
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T operator-- (void);
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/// Atomically post-decrement @c value_.
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T operator-- (int);
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/// Atomically decrement @c value_ by rhs.
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T operator-= (T rhs);
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/// Atomically compare @c value_ with rhs.
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bool operator== (T rhs) const;
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/// Atomically compare @c value_ with rhs.
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bool operator!= (T rhs) const;
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/// Atomically check if @c value_ greater than or equal to rhs.
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bool operator>= (T rhs) const;
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/// Atomically check if @c value_ greater than rhs.
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bool operator> (T rhs) const;
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/// Atomically check if @c value_ less than or equal to rhs.
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bool operator<= (T rhs) const;
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/// Atomically check if @c value_ less than rhs.
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bool operator< (T rhs) const;
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/// Explicitly return @c value_.
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T 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 T &value_i (void);
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// ACE_ALLOC_HOOK_DECLARE;
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// Declare the dynamic allocation hooks.
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protected:
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/// Atomically assign rhs to @c value_.
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ACE_Atomic_Op_GCC<T> &operator= (T rhs);
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/// Atomically assign <rhs> to @c value_.
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ACE_Atomic_Op_GCC<T> &operator= (const ACE_Atomic_Op_GCC<T> &rhs);
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/// Initialize @c value_ to 0.
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ACE_Atomic_Op_GCC (void);
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/// Initialize @c value_ to c.
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ACE_Atomic_Op_GCC (T c);
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/// Manage copying...
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ACE_Atomic_Op_GCC (const ACE_Atomic_Op_GCC<T> &c);
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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 T value_;
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};
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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_GCC_T.inl"
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#endif /* __ACE_INLINE__ */
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#if defined (ACE_TEMPLATES_REQUIRE_SOURCE)
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#include "ace/Atomic_Op_GCC_T.cpp"
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#endif /* ACE_TEMPLATES_REQUIRE_SOURCE */
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#if defined (ACE_TEMPLATES_REQUIRE_PRAGMA)
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#pragma implementation ("Atomic_Op_GCC_T.cpp")
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#endif /* ACE_TEMPLATES_REQUIRE_PRAGMA */
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#endif /* ACE_HAS_GCC_ATOMIC_BUILTINS */
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#include /**/ "ace/post.h"
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#endif /*ACE_ATOMIC_OP_GCC_T_H*/
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