From ff610103b58b3e0dd39fafb539a1cc0bc0fae577 Mon Sep 17 00:00:00 2001
From: Zach Hilman <zachhilman@gmail.com>
Date: Mon, 26 Nov 2018 18:34:07 -0500
Subject: core: Port all current usages of Event to Readable/WritableEvent

---
 src/core/hle/service/nfp/nfp.cpp | 35 ++++++++++++++++++++++-------------
 src/core/hle/service/nfp/nfp.h   | 10 +++++++---
 2 files changed, 29 insertions(+), 16 deletions(-)

(limited to 'src/core/hle/service/nfp')

diff --git a/src/core/hle/service/nfp/nfp.cpp b/src/core/hle/service/nfp/nfp.cpp
index ff9170c24..75c605364 100644
--- a/src/core/hle/service/nfp/nfp.cpp
+++ b/src/core/hle/service/nfp/nfp.cpp
@@ -7,7 +7,9 @@
 #include "common/logging/log.h"
 #include "core/core.h"
 #include "core/hle/ipc_helpers.h"
-#include "core/hle/kernel/event.h"
+#include "core/hle/kernel/kernel.h"
+#include "core/hle/kernel/readable_event.h"
+#include "core/hle/kernel/writable_event.h"
 #include "core/hle/lock.h"
 #include "core/hle/service/hid/hid.h"
 #include "core/hle/service/nfp/nfp.h"
@@ -23,8 +25,8 @@ constexpr ResultCode ERR_TAG_FAILED(ErrorModule::NFP,
 Module::Interface::Interface(std::shared_ptr<Module> module, const char* name)
     : ServiceFramework(name), module(std::move(module)) {
     auto& kernel = Core::System::GetInstance().Kernel();
-    nfc_tag_load =
-        Kernel::Event::Create(kernel, Kernel::ResetType::OneShot, "IUser:NFCTagDetected");
+    nfc_tag_load = Kernel::WritableEvent::CreateRegisteredEventPair(
+        kernel, Kernel::ResetType::OneShot, "IUser:NFCTagDetected");
 }
 
 Module::Interface::~Interface() = default;
@@ -63,10 +65,10 @@ public:
         RegisterHandlers(functions);
 
         auto& kernel = Core::System::GetInstance().Kernel();
-        deactivate_event =
-            Kernel::Event::Create(kernel, Kernel::ResetType::OneShot, "IUser:DeactivateEvent");
-        availability_change_event = Kernel::Event::Create(kernel, Kernel::ResetType::OneShot,
-                                                          "IUser:AvailabilityChangeEvent");
+        deactivate_event = Kernel::WritableEvent::CreateRegisteredEventPair(
+            kernel, Kernel::ResetType::OneShot, "IUser:DeactivateEvent");
+        availability_change_event = Kernel::WritableEvent::CreateRegisteredEventPair(
+            kernel, Kernel::ResetType::OneShot, "IUser:AvailabilityChangeEvent");
     }
 
 private:
@@ -164,7 +166,10 @@ private:
 
         IPC::ResponseBuilder rb{ctx, 2, 1};
         rb.Push(RESULT_SUCCESS);
-        rb.PushCopyObjects(deactivate_event);
+
+        const auto& event{
+            Core::System::GetInstance().Kernel().FindNamedEvent("IUser:DeactivateEvent")};
+        rb.PushCopyObjects(event->second);
     }
 
     void StopDetection(Kernel::HLERequestContext& ctx) {
@@ -264,7 +269,9 @@ private:
 
         IPC::ResponseBuilder rb{ctx, 2, 1};
         rb.Push(RESULT_SUCCESS);
-        rb.PushCopyObjects(availability_change_event);
+        const auto& event{
+            Core::System::GetInstance().Kernel().FindNamedEvent("IUser:AvailabilityChangeEvent")};
+        rb.PushCopyObjects(event->second);
     }
 
     void GetRegisterInfo(Kernel::HLERequestContext& ctx) {
@@ -319,8 +326,8 @@ private:
     const u32 npad_id{0}; // Player 1 controller
     State state{State::NonInitialized};
     DeviceState device_state{DeviceState::Initialized};
-    Kernel::SharedPtr<Kernel::Event> deactivate_event;
-    Kernel::SharedPtr<Kernel::Event> availability_change_event;
+    Kernel::SharedPtr<Kernel::WritableEvent> deactivate_event;
+    Kernel::SharedPtr<Kernel::WritableEvent> availability_change_event;
     const Module::Interface& nfp_interface;
 };
 
@@ -342,8 +349,10 @@ bool Module::Interface::LoadAmiibo(const std::vector<u8>& buffer) {
     nfc_tag_load->Signal();
     return true;
 }
-const Kernel::SharedPtr<Kernel::Event>& Module::Interface::GetNFCEvent() const {
-    return nfc_tag_load;
+
+const Kernel::SharedPtr<Kernel::ReadableEvent>& Module::Interface::GetNFCEvent() const {
+    const auto& event{Core::System::GetInstance().Kernel().FindNamedEvent("IUser:NFCTagDetected")};
+    return event->second;
 }
 const Module::Interface::AmiiboFile& Module::Interface::GetAmiiboBuffer() const {
     return amiibo;
diff --git a/src/core/hle/service/nfp/nfp.h b/src/core/hle/service/nfp/nfp.h
index 5c0ae8a54..0ab1ca997 100644
--- a/src/core/hle/service/nfp/nfp.h
+++ b/src/core/hle/service/nfp/nfp.h
@@ -6,9 +6,13 @@
 
 #include <array>
 #include <vector>
-#include "core/hle/kernel/event.h"
 #include "core/hle/service/service.h"
 
+namespace Kernel {
+class ReadableEvent;
+class WritableEvent;
+} // namespace Kernel
+
 namespace Service::NFP {
 
 class Module final {
@@ -33,11 +37,11 @@ public:
 
         void CreateUserInterface(Kernel::HLERequestContext& ctx);
         bool LoadAmiibo(const std::vector<u8>& buffer);
-        const Kernel::SharedPtr<Kernel::Event>& GetNFCEvent() const;
+        const Kernel::SharedPtr<Kernel::ReadableEvent>& GetNFCEvent() const;
         const AmiiboFile& GetAmiiboBuffer() const;
 
     private:
-        Kernel::SharedPtr<Kernel::Event> nfc_tag_load{};
+        Kernel::SharedPtr<Kernel::WritableEvent> nfc_tag_load{};
         AmiiboFile amiibo{};
 
     protected:
-- 
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