diff -r 68c94f286e25 -r cc37b5a06e32 contrib/chg/procutil.c
--- a/contrib/chg/procutil.c	Wed Mar 08 13:34:25 2017 -0800
+++ b/contrib/chg/procutil.c	Wed Mar 08 13:46:26 2017 -0800
@@ -115,6 +115,11 @@
 	sa.sa_flags = SA_RESTART;
 	if (sigaction(SIGWINCH, &sa, NULL) < 0)
 		goto error;
+	/* forward user-defined signals */
+	if (sigaction(SIGUSR1, &sa, NULL) < 0)
+		goto error;
+	if (sigaction(SIGUSR2, &sa, NULL) < 0)
+		goto error;
 	/* propagate job control requests to worker */
 	sa.sa_handler = forwardsignal;
 	sa.sa_flags = SA_RESTART;