Implement app management support (suspend, resume, close, etc) (#6322)

src/core/hle/kernel/kernel.h

@@ -133,6 +133,12 @@ public:
 
     std::shared_ptr<Process> CreateProcess(std::shared_ptr<CodeSet> code_set);
 
+    /**
+     * Removes a process from the kernel process list
+     * @param process Process to remove
+     */
+    void RemoveProcess(std::shared_ptr<Process> process);
+
     /**
      * Creates and returns a new thread. The new thread is immediately scheduled
      * @param name The friendly name desired for the thread

src/core/hle/kernel/process.cpp

@@ -79,6 +79,10 @@ std::shared_ptr<Process> KernelSystem::CreateProcess(std::shared_ptr<CodeSet> co
     return process;
 }
 
+void KernelSystem::RemoveProcess(std::shared_ptr<Process> process) {
+    std::erase(process_list, process);
+}
+
 void Process::ParseKernelCaps(const u32* kernel_caps, std::size_t len) {
     for (std::size_t i = 0; i < len; ++i) {
         u32 descriptor = kernel_caps[i];
@@ -208,9 +212,6 @@ void Process::Exit() {
     if (plgldr) {
         plgldr->OnProcessExit(*this, kernel);
     }
-
-    // Clear the process's open handles.
-    handle_table.Clear();
 }
 
 VAddr Process::GetLinearHeapAreaAddress() const {
@@ -474,6 +475,8 @@ Kernel::Process::Process(KernelSystem& kernel)
     kernel.memory.RegisterPageTable(vm_manager.page_table);
 }
 Kernel::Process::~Process() {
+    LOG_INFO(Kernel, "Cleaning up process {}", process_id);
+
     // Release all objects this process owns first so that their potential destructor can do clean
     // up with this process before further destruction.
     // TODO(wwylele): explicitly destroy or invalidate objects this process owns (threads, shared

src/core/hle/kernel/svc.cpp

@@ -565,6 +565,9 @@ void SVC::ExitProcess() {
     // Kill the current thread
     kernel.GetCurrentThreadManager().GetCurrentThread()->Stop();
 
+    // Remove kernel reference to process so it can be cleaned up.
+    kernel.RemoveProcess(current_process);
+
     system.PrepareReschedule();
 }