From b34d3d58821d15ecb5ffc1b436c908ffbb29adea Mon Sep 17 00:00:00 2001
From: Liam <byteslice@airmail.cc>
Date: Thu, 10 Nov 2022 16:14:03 -0500
Subject: service_thread: remove explicit KProcess

---
 src/core/hle/kernel/k_event.cpp        | 15 +++++++++++----
 src/core/hle/kernel/service_thread.cpp | 27 ++-------------------------
 2 files changed, 13 insertions(+), 29 deletions(-)

diff --git a/src/core/hle/kernel/k_event.cpp b/src/core/hle/kernel/k_event.cpp
index 27f70e5c5..d973853ab 100644
--- a/src/core/hle/kernel/k_event.cpp
+++ b/src/core/hle/kernel/k_event.cpp
@@ -20,8 +20,12 @@ void KEvent::Initialize(KProcess* owner) {
     m_readable_event.Initialize(this);
 
     // Set our owner process.
-    m_owner = owner;
-    m_owner->Open();
+    // HACK: this should never be nullptr, but service threads don't have a
+    // proper parent process yet.
+    if (owner != nullptr) {
+        m_owner = owner;
+        m_owner->Open();
+    }
 
     // Mark initialized.
     m_initialized = true;
@@ -50,8 +54,11 @@ Result KEvent::Clear() {
 void KEvent::PostDestroy(uintptr_t arg) {
     // Release the event count resource the owner process holds.
     KProcess* owner = reinterpret_cast<KProcess*>(arg);
-    owner->GetResourceLimit()->Release(LimitableResource::EventCountMax, 1);
-    owner->Close();
+
+    if (owner != nullptr) {
+        owner->GetResourceLimit()->Release(LimitableResource::EventCountMax, 1);
+        owner->Close();
+    }
 }
 
 } // namespace Kernel
diff --git a/src/core/hle/kernel/service_thread.cpp b/src/core/hle/kernel/service_thread.cpp
index f5c2ab23f..e6e41ac34 100644
--- a/src/core/hle/kernel/service_thread.cpp
+++ b/src/core/hle/kernel/service_thread.cpp
@@ -40,7 +40,6 @@ private:
     std::mutex m_session_mutex;
     std::map<KServerSession*, std::shared_ptr<SessionRequestManager>> m_sessions;
     KEvent* m_wakeup_event;
-    KProcess* m_process;
     KThread* m_thread;
     std::atomic<bool> m_shutdown_requested;
     const std::string m_service_name;
@@ -180,39 +179,17 @@ ServiceThread::Impl::~Impl() {
 
     // Close thread.
     m_thread->Close();
-
-    // Close process.
-    m_process->Close();
 }
 
 ServiceThread::Impl::Impl(KernelCore& kernel_, const std::string& service_name)
     : kernel{kernel_}, m_service_name{service_name} {
-    // Initialize process.
-    m_process = KProcess::Create(kernel);
-    KProcess::Initialize(m_process, kernel.System(), service_name,
-                         KProcess::ProcessType::KernelInternal, kernel.GetSystemResourceLimit());
-
-    // Reserve a new event from the process resource limit
-    KScopedResourceReservation event_reservation(m_process, LimitableResource::EventCountMax);
-    ASSERT(event_reservation.Succeeded());
-
     // Initialize event.
     m_wakeup_event = KEvent::Create(kernel);
-    m_wakeup_event->Initialize(m_process);
-
-    // Commit the event reservation.
-    event_reservation.Commit();
-
-    // Reserve a new thread from the process resource limit
-    KScopedResourceReservation thread_reservation(m_process, LimitableResource::ThreadCountMax);
-    ASSERT(thread_reservation.Succeeded());
+    m_wakeup_event->Initialize(nullptr);
 
     // Initialize thread.
     m_thread = KThread::Create(kernel);
-    ASSERT(KThread::InitializeDummyThread(m_thread, m_process).IsSuccess());
-
-    // Commit the thread reservation.
-    thread_reservation.Commit();
+    ASSERT(KThread::InitializeDummyThread(m_thread, nullptr).IsSuccess());
 
     // Start thread.
     m_host_thread = std::jthread([this] { LoopProcess(); });
-- 
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