Core/HLE: Implemented the SVCs GetProcessId and GetProcessIdOfThread

src/core/hle/kernel/process.h

@@ -55,6 +55,14 @@ public:
     static const HandleType HANDLE_TYPE = HandleType::Process;
     HandleType GetHandleType() const override { return HANDLE_TYPE; }
 
+    static u32 next_process_id;
+
+    /*
+     * Gets the process' id
+     * @returns The process' id
+     */
+    u32 GetProcessId() const { return process_id; }
+
     /// Name of the process
     std::string name;
     /// Title ID corresponding to the process
@@ -69,6 +77,9 @@ public:
     boost::container::static_vector<AddressMapping, 8> address_mappings;
     ProcessFlags flags;
 
+    /// The id of this process
+    u32 process_id = next_process_id++;
+
     /**
      * Parses a list of kernel capability descriptors (as found in the ExHeader) and applies them
      * to this process.