Merge pull request #4608 from wwylele/sharedmem-circular

Kernel/SharedMemory: make owner_process a raw pointer

src/core/hle/kernel/process.cpp

@@ -407,6 +407,12 @@ Kernel::Process::Process(KernelSystem& kernel)
     kernel.memory.RegisterPageTable(&vm_manager.page_table);
 }
 Kernel::Process::~Process() {
+    // 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
+    // memory etc.) even if they are still referenced by other processes.
+    handle_table.Clear();
+
     kernel.memory.UnregisterPageTable(&vm_manager.page_table);
 }
 

src/core/hle/kernel/shared_memory.h

@@ -94,7 +94,7 @@ private:
     /// Permission restrictions applied to other processes mapping the block.
     MemoryPermission other_permissions{};
     /// Process that created this shared memory block.
-    SharedPtr<Process> owner_process;
+    Process* owner_process;
     /// Address of shared memory block in the owner process if specified.
     VAddr base_address = 0;
     /// Name of shared memory object.