86 lines
2 KiB
C++
86 lines
2 KiB
C++
// Copyright 2018 Citra Emulator Project
|
|
// Licensed under GPLv2 or any later version
|
|
// Refer to the license.txt file included.
|
|
|
|
#pragma once
|
|
|
|
#include <atomic>
|
|
#include <memory>
|
|
#include <string>
|
|
|
|
#include "common/common_types.h"
|
|
|
|
namespace Kernel {
|
|
|
|
class KernelCore;
|
|
|
|
using Handle = u32;
|
|
|
|
enum class HandleType : u32 {
|
|
Unknown,
|
|
WritableEvent,
|
|
ReadableEvent,
|
|
SharedMemory,
|
|
TransferMemory,
|
|
Thread,
|
|
Process,
|
|
ResourceLimit,
|
|
ClientPort,
|
|
ServerPort,
|
|
ClientSession,
|
|
ServerSession,
|
|
Session,
|
|
};
|
|
|
|
class Object : NonCopyable, public std::enable_shared_from_this<Object> {
|
|
public:
|
|
explicit Object(KernelCore& kernel);
|
|
virtual ~Object();
|
|
|
|
/// Returns a unique identifier for the object. For debugging purposes only.
|
|
u32 GetObjectId() const {
|
|
return object_id.load(std::memory_order_relaxed);
|
|
}
|
|
|
|
virtual std::string GetTypeName() const {
|
|
return "[BAD KERNEL OBJECT TYPE]";
|
|
}
|
|
virtual std::string GetName() const {
|
|
return "[UNKNOWN KERNEL OBJECT]";
|
|
}
|
|
virtual HandleType GetHandleType() const = 0;
|
|
|
|
/**
|
|
* Check if a thread can wait on the object
|
|
* @return True if a thread can wait on the object, otherwise false
|
|
*/
|
|
bool IsWaitable() const;
|
|
|
|
protected:
|
|
/// The kernel instance this object was created under.
|
|
KernelCore& kernel;
|
|
|
|
private:
|
|
std::atomic<u32> object_id{0};
|
|
};
|
|
|
|
template <typename T>
|
|
std::shared_ptr<T> SharedFrom(T* raw) {
|
|
if (raw == nullptr)
|
|
return nullptr;
|
|
return std::static_pointer_cast<T>(raw->shared_from_this());
|
|
}
|
|
|
|
/**
|
|
* Attempts to downcast the given Object pointer to a pointer to T.
|
|
* @return Derived pointer to the object, or `nullptr` if `object` isn't of type T.
|
|
*/
|
|
template <typename T>
|
|
inline std::shared_ptr<T> DynamicObjectCast(std::shared_ptr<Object> object) {
|
|
if (object != nullptr && object->GetHandleType() == T::HANDLE_TYPE) {
|
|
return std::static_pointer_cast<T>(object);
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
} // namespace Kernel
|