blob: 638afff9e5fd1fa2126e465908dff0993f182df0 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
// 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/kernel.h"
// Address arbiters are an underlying kernel synchronization object that can be created/used via
// supervisor calls (SVCs). They function as sort of a global lock. Typically, games/other CTR
// applications use them as an underlying mechanism to implement thread-safe barriers, events, and
// semphores.
////////////////////////////////////////////////////////////////////////////////////////////////////
// Kernel namespace
namespace Kernel {
enum class ArbitrationType : u32 {
Signal,
WaitIfLessThan,
DecrementAndWaitIfLessThan,
WaitIfLessThanWithTimeout,
DecrementAndWaitIfLessThanWithTimeout,
};
class AddressArbiter final : public Object {
public:
/**
* Creates an address arbiter.
*
* @param name Optional name used for debugging.
* @returns The created AddressArbiter.
*/
static ResultVal<SharedPtr<AddressArbiter>> Create(std::string name = "Unknown");
std::string GetTypeName() const override { return "Arbiter"; }
std::string GetName() const override { return name; }
static const HandleType HANDLE_TYPE = HandleType::AddressArbiter;
HandleType GetHandleType() const override { return HANDLE_TYPE; }
std::string name; ///< Name of address arbiter object (optional)
ResultCode ArbitrateAddress(ArbitrationType type, VAddr address, s32 value, u64 nanoseconds);
private:
AddressArbiter() = default;
};
} // namespace FileSys
|
