205 lines
4 KiB
Text
205 lines
4 KiB
Text
/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file copyOnWriteObject.I
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* @author drose
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* @date 2007-04-09
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*/
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template<class Base>
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TypeHandle CopyOnWriteObj<Base>::_type_handle;
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template<class Base, class Param1>
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TypeHandle CopyOnWriteObj1<Base, Param1>::_type_handle;
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/**
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*
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*/
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INLINE CopyOnWriteObject::
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CopyOnWriteObject()
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#ifdef COW_THREADED
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: _lock_mutex("CopyOnWriteObject::_lock"),
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_lock_cvar(_lock_mutex)
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#endif
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{
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#ifdef DO_MEMORY_USAGE
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MemoryUsage::update_type(this, this);
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#endif
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#ifdef COW_THREADED
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_lock_status = LS_unlocked;
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_locking_thread = nullptr;
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#endif // COW_THREADED
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}
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/**
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*
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*/
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INLINE CopyOnWriteObject::
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CopyOnWriteObject(const CopyOnWriteObject ©) :
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CachedTypedWritableReferenceCount(copy)
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#ifdef COW_THREADED
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, _lock_mutex("CopyOnWriteObject::_lock"),
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_lock_cvar(_lock_mutex)
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#endif
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{
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#ifdef DO_MEMORY_USAGE
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MemoryUsage::update_type(this, this);
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#endif
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#ifdef COW_THREADED
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_lock_status = LS_unlocked;
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_locking_thread = nullptr;
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#endif // COW_THREADED
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}
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/**
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*
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*/
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INLINE void CopyOnWriteObject::
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operator = (const CopyOnWriteObject ©) {
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CachedTypedWritableReferenceCount::operator = (copy);
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}
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#ifdef COW_THREADED
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/**
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* @see CachedTypedWritableReferenceCount::cache_ref()
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*/
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INLINE void CopyOnWriteObject::
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cache_ref() const {
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MutexHolder holder(_lock_mutex);
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CachedTypedWritableReferenceCount::cache_ref();
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}
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/**
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* @see CachedTypedWritableReferenceCount::cache_unref()
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*/
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INLINE bool CopyOnWriteObject::
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cache_unref() const {
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MutexHolder holder(_lock_mutex);
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return CachedTypedWritableReferenceCount::cache_unref();
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}
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#endif // COW_THREADED
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/**
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*
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*/
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template<class Base>
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INLINE CopyOnWriteObj<Base>::
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CopyOnWriteObj() {
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}
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/**
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*
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*/
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template<class Base>
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INLINE CopyOnWriteObj<Base>::
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CopyOnWriteObj(const Base ©) :
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Base(copy)
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{
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}
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/**
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*
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*/
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template<class Base>
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INLINE CopyOnWriteObj<Base>::
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CopyOnWriteObj(const CopyOnWriteObj<Base> ©) :
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CopyOnWriteObject(copy),
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Base(copy)
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{
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}
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/**
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*
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*/
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template<class Base>
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PT(CopyOnWriteObject) CopyOnWriteObj<Base>::
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make_cow_copy() {
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return new CopyOnWriteObj<Base>(*this);
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}
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/**
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*
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*/
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template<class Base>
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void CopyOnWriteObj<Base>::
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init_type() {
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#if defined(HAVE_RTTI) && !defined(__EDG__)
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// If we have RTTI, we can determine the name of the base type.
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std::string base_name = typeid(Base).name();
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#else
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std::string base_name = "unknown";
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#endif
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TypeHandle base_type = register_dynamic_type(base_name);
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CopyOnWriteObject::init_type();
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_type_handle =
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register_dynamic_type("CopyOnWriteObj<" + base_name + ">",
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base_type,
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CopyOnWriteObject::get_class_type());
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}
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/**
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*
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*/
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template<class Base, class Param1>
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INLINE CopyOnWriteObj1<Base, Param1>::
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CopyOnWriteObj1(Param1 p1) : Base(p1) {
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}
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/**
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*
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*/
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template<class Base, class Param1>
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INLINE CopyOnWriteObj1<Base, Param1>::
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CopyOnWriteObj1(const Base ©) :
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Base(copy)
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{
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}
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/**
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*
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*/
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template<class Base, class Param1>
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INLINE CopyOnWriteObj1<Base, Param1>::
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CopyOnWriteObj1(const CopyOnWriteObj1<Base, Param1> ©) :
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CopyOnWriteObject(copy),
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Base(copy)
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{
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}
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/**
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*
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*/
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template<class Base, class Param1>
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PT(CopyOnWriteObject) CopyOnWriteObj1<Base, Param1>::
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make_cow_copy() {
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return new CopyOnWriteObj1<Base, Param1>(*this);
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}
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/**
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*
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*/
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template<class Base, class Param1>
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void CopyOnWriteObj1<Base, Param1>::
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init_type() {
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#if defined(HAVE_RTTI) && !defined(__EDG__)
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// If we have RTTI, we can determine the name of the base type.
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std::string base_name = typeid(Base).name();
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#else
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std::string base_name = "unknown";
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#endif
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TypeHandle base_type = register_dynamic_type(base_name);
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CopyOnWriteObject::init_type();
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_type_handle =
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register_dynamic_type("CopyOnWriteObj1<" + base_name + ">",
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base_type,
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CopyOnWriteObject::get_class_type());
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}
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