citra/src/core/hle/kernel/mutex.h

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// Copyright 2014 Citra Emulator Project
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// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
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#pragma once
#include <string>
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#include "common/common_types.h"
#include "core/hle/kernel/kernel.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
std::string name; ///< Name of mutex (optional)
SharedPtr<Thread> holding_thread; ///< Thread that has acquired the mutex
bool ShouldWait(Thread* thread) const override;
void Acquire(Thread* thread) override;
/**
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* Acquires the specified mutex for the specified thread
* @param thread Thread that will acquire the mutex
*/
void Acquire(SharedPtr<Thread> thread);
void Release();
private:
Mutex();
~Mutex() override;
};
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/**
* Releases all the mutexes held by the specified thread
* @param thread Thread that is holding the mutexes
*/
void ReleaseThreadMutexes(Thread* thread);
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} // namespace