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Diffstat (limited to 'ACE/ace/Atomic_Op_GCC_T.h')
-rw-r--r-- | ACE/ace/Atomic_Op_GCC_T.h | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/ACE/ace/Atomic_Op_GCC_T.h b/ACE/ace/Atomic_Op_GCC_T.h new file mode 100644 index 00000000000..348be5e95e0 --- /dev/null +++ b/ACE/ace/Atomic_Op_GCC_T.h @@ -0,0 +1,136 @@ +// -*- C++ -*- + +//============================================================================= +/** + * @file Atomic_Op_GCC_T.h + * + * $Id$ + * + * @author Johnny Willemsen <jwillemsen@remedy.nl + */ +//============================================================================= + +#ifndef ACE_ATOMIC_OP_GCC_T_H +#define ACE_ATOMIC_OP_GCC_T_H +#include /**/ "ace/pre.h" + +#include /**/ "ace/config-all.h" + +#if !defined (ACE_LACKS_PRAGMA_ONCE) +# pragma once +#endif /* ACE_LACKS_PRAGMA_ONCE */ + +#include "ace/Thread_Mutex.h" +#include "ace/ACE_export.h" + +#if defined (ACE_HAS_GCC_ATOMIC_BUILTINS) && (ACE_HAS_GCC_ATOMIC_BUILTINS == 1) + +ACE_BEGIN_VERSIONED_NAMESPACE_DECL + +/** + * @brief Specialization of ACE_Atomic_Op for platforms that + * support atomic integer operations. + * + * Specialization of ACE_Atomic_Op for platforms that support atomic + * integer operations. + */ +template<typename T> +class ACE_Export ACE_Atomic_Op_GCC +{ +public: + /// Atomically pre-increment @c value_. + T operator++ (void); + + /// Atomically post-increment @c value_. + T operator++ (int); + + /// Atomically increment @c value_ by rhs. + T operator+= (T rhs); + + /// Atomically pre-decrement @c value_. + T operator-- (void); + + /// Atomically post-decrement @c value_. + T operator-- (int); + + /// Atomically decrement @c value_ by rhs. + T operator-= (T rhs); + + /// Atomically compare @c value_ with rhs. + bool operator== (T rhs) const; + + /// Atomically compare @c value_ with rhs. + bool operator!= (T rhs) const; + + /// Atomically check if @c value_ greater than or equal to rhs. + bool operator>= (T rhs) const; + + /// Atomically check if @c value_ greater than rhs. + bool operator> (T rhs) const; + + /// Atomically check if @c value_ less than or equal to rhs. + bool operator<= (T rhs) const; + + /// Atomically check if @c value_ less than rhs. + bool operator< (T rhs) const; + + /// Explicitly return @c value_. + T value (void) const; + + /// Dump the state of an object. + void dump (void) const; + + /// Explicitly return @c value_ (by reference). + volatile T &value_i (void); + + // ACE_ALLOC_HOOK_DECLARE; + // Declare the dynamic allocation hooks. + +protected: + /// Atomically assign rhs to @c value_. + ACE_Atomic_Op_GCC<T> &operator= (T rhs); + + /// Atomically assign <rhs> to @c value_. + ACE_Atomic_Op_GCC<T> &operator= (const ACE_Atomic_Op_GCC<T> &rhs); + + /// Initialize @c value_ to 0. + ACE_Atomic_Op_GCC (void); + + /// Initialize @c value_ to c. + ACE_Atomic_Op_GCC (T c); + + /// Manage copying... + ACE_Atomic_Op_GCC (const ACE_Atomic_Op_GCC<T> &c); + +private: + + // This function cannot be supported by this template specialization. + // If you need access to an underlying lock, use the ACE_Atomic_Op_Ex + // template instead. + ACE_Thread_Mutex &mutex (void); + +private: + + /// Current object decorated by the atomic op. + volatile T value_; +}; + +ACE_END_VERSIONED_NAMESPACE_DECL + +#if defined (__ACE_INLINE__) +#include "ace/Atomic_Op_GCC_T.inl" +#endif /* __ACE_INLINE__ */ + +#if defined (ACE_TEMPLATES_REQUIRE_SOURCE) +#include "ace/Atomic_Op_GCC_T.cpp" +#endif /* ACE_TEMPLATES_REQUIRE_SOURCE */ + +#if defined (ACE_TEMPLATES_REQUIRE_PRAGMA) +#pragma implementation ("Atomic_Op_GCC_T.cpp") +#endif /* ACE_TEMPLATES_REQUIRE_PRAGMA */ + + +#endif /* ACE_HAS_GCC_ATOMIC_BUILTINS */ + +#include /**/ "ace/post.h" +#endif /*ACE_ATOMIC_OP_GCC_T_H*/ |