-extern int afb_sig_handler_init();
-
-extern void afb_sig_monitor(void (*function)(int sig, void*), void *closure, int timeout);
-extern int afb_sig_req(struct afb_req req, void (*callback)(struct afb_req req));
-extern int afb_sig_req_timeout(struct afb_req req, void (*callback)(struct afb_req req), int timeout);
+extern void sig_monitor(int timeout, void (*function)(int sig, void*), void *arg);
+extern void sig_monitor2(int timeout, void (*function)(int sig, void*, void*), void *arg1, void *arg2);
+extern void sig_monitor3(int timeout, void (*function)(int sig, void*, void*, void*), void *arg1, void *arg2, void *arg3);