+#if defined(LISP_FEATURE_SB_SAFEPOINT_STRICTLY) && !defined(LISP_FEATURE_WIN32)
+void
+signal_handler_callback(lispobj run_handler, int signo, void *info, void *ctx)
+{
+ init_thread_data scribble;
+ void *args[2];
+ args[0] = info;
+ args[1] = ctx;
+
+ attach_os_thread(&scribble);
+
+ odxprint(misc, "callback from signal handler thread for: %d\n", signo);
+ funcall3(StaticSymbolFunction(SIGNAL_HANDLER_CALLBACK),
+ run_handler, make_fixnum(signo), alloc_sap(args));
+
+ detach_os_thread(&scribble);
+ return;
+}
+#endif
+