Merge pull request #894 from lioncash/object
kernel: Move object class to its own source filesmaster
commit
4c3c608d59
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// Copyright 2018 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "common/assert.h"
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#include "core/hle/kernel/object.h"
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namespace Kernel {
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Object::~Object() = default;
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bool Object::IsWaitable() const {
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switch (GetHandleType()) {
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case HandleType::Event:
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case HandleType::Thread:
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case HandleType::Timer:
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case HandleType::ServerPort:
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case HandleType::ServerSession:
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return true;
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case HandleType::Unknown:
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case HandleType::SharedMemory:
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case HandleType::Process:
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case HandleType::AddressArbiter:
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case HandleType::ResourceLimit:
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case HandleType::CodeSet:
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case HandleType::ClientPort:
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case HandleType::ClientSession:
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return false;
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}
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UNREACHABLE();
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}
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} // namespace Kernel
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// Copyright 2018 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <string>
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#include <utility>
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#include <boost/smart_ptr/intrusive_ptr.hpp>
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#include "common/common_types.h"
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namespace Kernel {
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using Handle = u32;
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enum class HandleType : u32 {
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Unknown,
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Event,
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SharedMemory,
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Thread,
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Process,
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AddressArbiter,
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Timer,
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ResourceLimit,
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CodeSet,
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ClientPort,
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ServerPort,
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ClientSession,
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ServerSession,
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};
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enum class ResetType {
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OneShot,
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Sticky,
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Pulse,
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};
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class Object : NonCopyable {
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public:
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virtual ~Object();
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/// Returns a unique identifier for the object. For debugging purposes only.
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unsigned int GetObjectId() const {
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return object_id;
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}
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virtual std::string GetTypeName() const {
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return "[BAD KERNEL OBJECT TYPE]";
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}
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virtual std::string GetName() const {
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return "[UNKNOWN KERNEL OBJECT]";
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}
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virtual HandleType GetHandleType() const = 0;
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/**
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* Check if a thread can wait on the object
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* @return True if a thread can wait on the object, otherwise false
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*/
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bool IsWaitable() const;
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public:
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static unsigned int next_object_id;
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private:
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friend void intrusive_ptr_add_ref(Object*);
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friend void intrusive_ptr_release(Object*);
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unsigned int ref_count = 0;
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unsigned int object_id = next_object_id++;
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};
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// Special functions used by boost::instrusive_ptr to do automatic ref-counting
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inline void intrusive_ptr_add_ref(Object* object) {
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++object->ref_count;
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}
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inline void intrusive_ptr_release(Object* object) {
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if (--object->ref_count == 0) {
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delete object;
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}
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}
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template <typename T>
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using SharedPtr = boost::intrusive_ptr<T>;
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/**
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* Attempts to downcast the given Object pointer to a pointer to T.
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* @return Derived pointer to the object, or `nullptr` if `object` isn't of type T.
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*/
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template <typename T>
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inline SharedPtr<T> DynamicObjectCast(SharedPtr<Object> object) {
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if (object != nullptr && object->GetHandleType() == T::HANDLE_TYPE) {
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return boost::static_pointer_cast<T>(std::move(object));
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}
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return nullptr;
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}
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} // namespace Kernel
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