Hello
+void
+setup_cancel_handler(void (*signal_callback) (void),
+ void (*thread_callback) (void))
+{
+...
+ create_cancel_thread();
+ pqsignal(SIGINT, CancelSignalHandler);
+#endif
+}Maybe this should have a doc comment explaining that this function should only be called once (or alternatively, create_cancel_thread should have a guard against repeated callers)?
