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copyOnWriteObject.I
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205 lines (184 loc) · 4.05 KB
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/**
* PANDA 3D SOFTWARE
* Copyright (c) Carnegie Mellon University. All rights reserved.
*
* All use of this software is subject to the terms of the revised BSD
* license. You should have received a copy of this license along
* with this source code in a file named "LICENSE."
*
* @file copyOnWriteObject.I
* @author drose
* @date 2007-04-09
*/
template<class Base>
TypeHandle CopyOnWriteObj<Base>::_type_handle;
template<class Base, class Param1>
TypeHandle CopyOnWriteObj1<Base, Param1>::_type_handle;
/**
*
*/
INLINE CopyOnWriteObject::
CopyOnWriteObject()
#ifdef COW_THREADED
: _lock_mutex("CopyOnWriteObject::_lock"),
_lock_cvar(_lock_mutex)
#endif
{
#ifdef DO_MEMORY_USAGE
MemoryUsage::update_type(this, this);
#endif
#ifdef COW_THREADED
_lock_status = LS_unlocked;
_locking_thread = nullptr;
#endif // COW_THREADED
}
/**
*
*/
INLINE CopyOnWriteObject::
CopyOnWriteObject(const CopyOnWriteObject ©) :
CachedTypedWritableReferenceCount(copy)
#ifdef COW_THREADED
, _lock_mutex("CopyOnWriteObject::_lock"),
_lock_cvar(_lock_mutex)
#endif
{
#ifdef DO_MEMORY_USAGE
MemoryUsage::update_type(this, this);
#endif
#ifdef COW_THREADED
_lock_status = LS_unlocked;
_locking_thread = nullptr;
#endif // COW_THREADED
}
/**
*
*/
INLINE void CopyOnWriteObject::
operator = (const CopyOnWriteObject ©) {
CachedTypedWritableReferenceCount::operator = (copy);
}
#ifdef COW_THREADED
/**
* @see CachedTypedWritableReferenceCount::cache_ref()
*/
INLINE void CopyOnWriteObject::
cache_ref() const {
MutexHolder holder(_lock_mutex);
CachedTypedWritableReferenceCount::cache_ref();
}
/**
* @see CachedTypedWritableReferenceCount::cache_unref()
*/
INLINE bool CopyOnWriteObject::
cache_unref() const {
MutexHolder holder(_lock_mutex);
return CachedTypedWritableReferenceCount::cache_unref();
}
#endif // COW_THREADED
/**
*
*/
template<class Base>
INLINE CopyOnWriteObj<Base>::
CopyOnWriteObj() {
}
/**
*
*/
template<class Base>
INLINE CopyOnWriteObj<Base>::
CopyOnWriteObj(const Base ©) :
Base(copy)
{
}
/**
*
*/
template<class Base>
INLINE CopyOnWriteObj<Base>::
CopyOnWriteObj(const CopyOnWriteObj<Base> ©) :
CopyOnWriteObject(copy),
Base(copy)
{
}
/**
*
*/
template<class Base>
PT(CopyOnWriteObject) CopyOnWriteObj<Base>::
make_cow_copy() {
return new CopyOnWriteObj<Base>(*this);
}
/**
*
*/
template<class Base>
void CopyOnWriteObj<Base>::
init_type() {
#if defined(HAVE_RTTI) && !defined(__EDG__)
// If we have RTTI, we can determine the name of the base type.
std::string base_name = typeid(Base).name();
#else
std::string base_name = "unknown";
#endif
TypeHandle base_type = register_dynamic_type(base_name);
CopyOnWriteObject::init_type();
_type_handle =
register_dynamic_type("CopyOnWriteObj<" + base_name + ">",
base_type,
CopyOnWriteObject::get_class_type());
}
/**
*
*/
template<class Base, class Param1>
INLINE CopyOnWriteObj1<Base, Param1>::
CopyOnWriteObj1(Param1 p1) : Base(p1) {
}
/**
*
*/
template<class Base, class Param1>
INLINE CopyOnWriteObj1<Base, Param1>::
CopyOnWriteObj1(const Base ©) :
Base(copy)
{
}
/**
*
*/
template<class Base, class Param1>
INLINE CopyOnWriteObj1<Base, Param1>::
CopyOnWriteObj1(const CopyOnWriteObj1<Base, Param1> ©) :
CopyOnWriteObject(copy),
Base(copy)
{
}
/**
*
*/
template<class Base, class Param1>
PT(CopyOnWriteObject) CopyOnWriteObj1<Base, Param1>::
make_cow_copy() {
return new CopyOnWriteObj1<Base, Param1>(*this);
}
/**
*
*/
template<class Base, class Param1>
void CopyOnWriteObj1<Base, Param1>::
init_type() {
#if defined(HAVE_RTTI) && !defined(__EDG__)
// If we have RTTI, we can determine the name of the base type.
std::string base_name = typeid(Base).name();
#else
std::string base_name = "unknown";
#endif
TypeHandle base_type = register_dynamic_type(base_name);
CopyOnWriteObject::init_type();
_type_handle =
register_dynamic_type("CopyOnWriteObj1<" + base_name + ">",
base_type,
CopyOnWriteObject::get_class_type());
}