mirror of
https://gitlab.com/suyu-emu/suyu.git
synced 2024-03-15 23:15:44 +00:00
64ecf81a3c
Now that HandleTable doesn't directly depend on WaitObject anymore, this can be separated from the main kernel.h header.
69 lines
1.8 KiB
C++
69 lines
1.8 KiB
C++
// Copyright 2014 Citra Emulator Project
|
|
// Licensed under GPLv2 or any later version
|
|
// Refer to the license.txt file included.
|
|
|
|
#pragma once
|
|
|
|
#include <string>
|
|
#include "common/common_types.h"
|
|
#include "core/hle/kernel/kernel.h"
|
|
#include "core/hle/kernel/wait_object.h"
|
|
|
|
namespace Kernel {
|
|
|
|
class Thread;
|
|
|
|
class Mutex final : public WaitObject {
|
|
public:
|
|
/**
|
|
* Creates a mutex.
|
|
* @param initial_locked Specifies if the mutex should be locked initially
|
|
* @param name Optional name of mutex
|
|
* @return Pointer to new Mutex object
|
|
*/
|
|
static SharedPtr<Mutex> Create(bool initial_locked, std::string name = "Unknown");
|
|
|
|
std::string GetTypeName() const override {
|
|
return "Mutex";
|
|
}
|
|
std::string GetName() const override {
|
|
return name;
|
|
}
|
|
|
|
static const HandleType HANDLE_TYPE = HandleType::Mutex;
|
|
HandleType GetHandleType() const override {
|
|
return HANDLE_TYPE;
|
|
}
|
|
|
|
int lock_count; ///< Number of times the mutex has been acquired
|
|
u32 priority; ///< The priority of the mutex, used for priority inheritance.
|
|
std::string name; ///< Name of mutex (optional)
|
|
SharedPtr<Thread> holding_thread; ///< Thread that has acquired the mutex
|
|
|
|
/**
|
|
* Elevate the mutex priority to the best priority
|
|
* among the priorities of all its waiting threads.
|
|
*/
|
|
void UpdatePriority();
|
|
|
|
bool ShouldWait(Thread* thread) const override;
|
|
void Acquire(Thread* thread) override;
|
|
|
|
void AddWaitingThread(SharedPtr<Thread> thread) override;
|
|
void RemoveWaitingThread(Thread* thread) override;
|
|
|
|
void Release();
|
|
|
|
private:
|
|
Mutex();
|
|
~Mutex() override;
|
|
};
|
|
|
|
/**
|
|
* Releases all the mutexes held by the specified thread
|
|
* @param thread Thread that is holding the mutexes
|
|
*/
|
|
void ReleaseThreadMutexes(Thread* thread);
|
|
|
|
} // namespace
|