From 38e7122f23424d40e0555fa40daeff55e23e4da4 Mon Sep 17 00:00:00 2001
From: Yuri Kunde Schlesner <yuriks@yuriks.net>
Date: Sun, 11 Jan 2015 14:46:49 -0200
Subject: Kernel: Convert AddressArbiter to not use Handles

---
 src/core/hle/kernel/address_arbiter.cpp | 39 ++++++++-------------------------
 src/core/hle/kernel/address_arbiter.h   | 24 ++++++++++++++++++--
 2 files changed, 31 insertions(+), 32 deletions(-)

(limited to 'src/core/hle/kernel')

diff --git a/src/core/hle/kernel/address_arbiter.cpp b/src/core/hle/kernel/address_arbiter.cpp
index 2a66f8dd5..2d01e2ef5 100644
--- a/src/core/hle/kernel/address_arbiter.cpp
+++ b/src/core/hle/kernel/address_arbiter.cpp
@@ -15,25 +15,18 @@
 
 namespace Kernel {
 
-class AddressArbiter : public Object {
-public:
-    std::string GetTypeName() const override { return "Arbiter"; }
-    std::string GetName() const override { return name; }
+ResultVal<SharedPtr<AddressArbiter>> AddressArbiter::Create(std::string name) {
+    SharedPtr<AddressArbiter> address_arbiter(new AddressArbiter);
+    // TOOD(yuriks): Don't create Handle (see Thread::Create())
+    CASCADE_RESULT(auto unused, Kernel::g_handle_table.Create(address_arbiter));
 
-    static const HandleType HANDLE_TYPE = HandleType::AddressArbiter;
-    HandleType GetHandleType() const override { return HANDLE_TYPE; }
+    address_arbiter->name = std::move(name);
 
-    std::string name;   ///< Name of address arbiter object (optional)
-};
-
-////////////////////////////////////////////////////////////////////////////////////////////////////
-
-ResultCode ArbitrateAddress(Handle handle, ArbitrationType type, u32 address, s32 value, u64 nanoseconds) {
-    AddressArbiter* object = Kernel::g_handle_table.Get<AddressArbiter>(handle).get();
-
-    if (object == nullptr)
-        return InvalidHandle(ErrorModule::Kernel);
+    return MakeResult<SharedPtr<AddressArbiter>>(std::move(address_arbiter));
+}
 
+ResultCode AddressArbiter::ArbitrateAddress(ArbitrationType type, VAddr address, s32 value,
+        u64 nanoseconds) {
     switch (type) {
 
     // Signal thread(s) waiting for arbitrate address...
@@ -91,18 +84,4 @@ ResultCode ArbitrateAddress(Handle handle, ArbitrationType type, u32 address, s3
     return RESULT_SUCCESS;
 }
 
-static AddressArbiter* CreateAddressArbiter(Handle& handle, const std::string& name) {
-    AddressArbiter* address_arbiter = new AddressArbiter;
-    // TOOD(yuriks): Fix error reporting
-    handle = Kernel::g_handle_table.Create(address_arbiter).ValueOr(INVALID_HANDLE);
-    address_arbiter->name = name;
-    return address_arbiter;
-}
-
-Handle CreateAddressArbiter(const std::string& name) {
-    Handle handle;
-    CreateAddressArbiter(handle, name);
-    return handle;
-}
-
 } // namespace Kernel
diff --git a/src/core/hle/kernel/address_arbiter.h b/src/core/hle/kernel/address_arbiter.h
index 81084bdc8..536f0f017 100644
--- a/src/core/hle/kernel/address_arbiter.h
+++ b/src/core/hle/kernel/address_arbiter.h
@@ -26,8 +26,28 @@ enum class ArbitrationType : u32 {
     DecrementAndWaitIfLessThanWithTimeout,
 };
 
-ResultCode ArbitrateAddress(Handle handle, ArbitrationType type, u32 address, s32 value, u64 nanoseconds);
+class AddressArbiter : 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");
 
-Handle CreateAddressArbiter(const 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
-- 
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