service: Replace service event creation with ServiceContext::CreateEvent

The service context helps to manage all created events and allows us to close them upon destruction.

src/core/hle/service/bcat/backend/backend.cpp

@@ -5,22 +5,24 @@
 #include "common/hex_util.h"
 #include "common/logging/log.h"
 #include "core/core.h"
-#include "core/hle/kernel/k_readable_event.h"
-#include "core/hle/kernel/k_writable_event.h"
+#include "core/hle/kernel/k_event.h"
 #include "core/hle/lock.h"
 #include "core/hle/service/bcat/backend/backend.h"
 
 namespace Service::BCAT {
 
-ProgressServiceBackend::ProgressServiceBackend(Kernel::KernelCore& kernel,
-                                               std::string_view event_name)
-    : update_event{kernel} {
-    Kernel::KAutoObject::Create(std::addressof(update_event));
-    update_event.Initialize("ProgressServiceBackend:UpdateEvent:" + std::string(event_name));
+ProgressServiceBackend::ProgressServiceBackend(Core::System& system, std::string_view event_name)
+    : service_context{system, "ProgressServiceBackend"} {
+    update_event = service_context.CreateEvent("ProgressServiceBackend:UpdateEvent:" +
+                                               std::string(event_name));
+}
+
+ProgressServiceBackend::~ProgressServiceBackend() {
+    service_context.CloseEvent(update_event);
 }
 
 Kernel::KReadableEvent& ProgressServiceBackend::GetEvent() {
-    return update_event.GetReadableEvent();
+    return update_event->GetReadableEvent();
 }
 
 DeliveryCacheProgressImpl& ProgressServiceBackend::GetImpl() {
@@ -88,9 +90,9 @@ void ProgressServiceBackend::FinishDownload(ResultCode result) {
 void ProgressServiceBackend::SignalUpdate() {
     if (need_hle_lock) {
         std::lock_guard lock(HLE::g_hle_lock);
-        update_event.GetWritableEvent().Signal();
+        update_event->GetWritableEvent().Signal();
     } else {
-        update_event.GetWritableEvent().Signal();
+        update_event->GetWritableEvent().Signal();
     }
 }
 

src/core/hle/service/bcat/backend/backend.h

@@ -11,8 +11,8 @@
 
 #include "common/common_types.h"
 #include "core/file_sys/vfs_types.h"
-#include "core/hle/kernel/k_event.h"
 #include "core/hle/result.h"
+#include "core/hle/service/kernel_helpers.h"
 
 namespace Core {
 class System;
@@ -70,6 +70,8 @@ class ProgressServiceBackend {
     friend class IBcatService;
 
 public:
+    ~ProgressServiceBackend();
+
     // Clients should call this with true if any of the functions are going to be called from a
     // non-HLE thread and this class need to lock the hle mutex. (default is false)
     void SetNeedHLELock(bool need);
@@ -97,15 +99,17 @@ public:
     void FinishDownload(ResultCode result);
 
 private:
-    explicit ProgressServiceBackend(Kernel::KernelCore& kernel, std::string_view event_name);
+    explicit ProgressServiceBackend(Core::System& system, std::string_view event_name);
 
     Kernel::KReadableEvent& GetEvent();
     DeliveryCacheProgressImpl& GetImpl();
 
     void SignalUpdate();
 
+    KernelHelpers::ServiceContext service_context;
+
     DeliveryCacheProgressImpl impl{};
-    Kernel::KEvent update_event;
+    Kernel::KEvent* update_event;
     bool need_hle_lock = false;
 };
 

src/core/hle/service/bcat/bcat_module.cpp

@@ -127,8 +127,8 @@ public:
     explicit IBcatService(Core::System& system_, Backend& backend_)
         : ServiceFramework{system_, "IBcatService"}, backend{backend_},
           progress{{
-              ProgressServiceBackend{system_.Kernel(), "Normal"},
-              ProgressServiceBackend{system_.Kernel(), "Directory"},
+              ProgressServiceBackend{system_, "Normal"},
+              ProgressServiceBackend{system_, "Directory"},
           }} {
         // clang-format off
         static const FunctionInfo functions[] = {