Upgrade oneit with -r (restart), -3 (send exiting PID values to child), and signal handling.
diff --git a/lib/lib.h b/lib/lib.h
index a183fd5..e566751 100644
--- a/lib/lib.h
+++ b/lib/lib.h
@@ -129,6 +129,7 @@
 void xpidfile(char *name);
 void xregcomp(regex_t *preg, char *rexec, int cflags);
 char *xtzset(char *new);
+void xsignal(int signal, void *handler);
 
 // lib.c
 void verror_msg(char *msg, int err, va_list va);