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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include "common/common_types.h"
#include "core/hle/kernel/object.h"
union ResultCode;
namespace Kernel {
class HandleTable;
class Thread;
class Mutex final {
public:
/// Flag that indicates that a mutex still has threads waiting for it.
static constexpr u32 MutexHasWaitersFlag = 0x40000000;
/// Mask of the bits in a mutex address value that contain the mutex owner.
static constexpr u32 MutexOwnerMask = 0xBFFFFFFF;
/// Attempts to acquire a mutex at the specified address.
static ResultCode TryAcquire(HandleTable& handle_table, VAddr address,
Handle holding_thread_handle, Handle requesting_thread_handle);
/// Releases the mutex at the specified address.
static ResultCode Release(VAddr address);
private:
Mutex() = default;
~Mutex() = default;
};
} // namespace Kernel
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