Replace ThreadWorker with scgi::ThreadScgi.

src/globals.h

@@ -6,20 +6,33 @@
 #include "rpc/ip_table_list.h"
 
 class Control;
-class ThreadWorker;
 
 extern rpc::ip_table_list ip_tables;
 
 extern Control*      control;
 
-// TODO: Update to new thread model.
-extern ThreadWorker* worker_thread;
+namespace rpc {
+class SCgi;
+}
 
 namespace session {
-
 class SessionManager;
+}
 
-} // namespace session
+namespace scgi_thread {
+
+torrent::utils::Thread* thread();
+std::thread::id         thread_id();
+
+void                    callback(void* target, std::function<void ()>&& fn);
+void                    cancel_callback(void* target);
+void                    cancel_callback_and_wait(void* target);
+
+rpc::SCgi*              scgi();
+void                    set_scgi(rpc::SCgi* scgi);
+void                    set_rpc_log(const std::string& filename);
+
+} // namespace torrent::scgi_thread
 
 
 namespace session_thread {