# HG changeset patch
# User Yuya Nishihara <yuya@tcha.org>
# Date 1466002196 -32400
# Node ID 3ddf4d0c41702904a4966edba78765582f35bea5
# Parent  85a18f3c0bddb989ba9f93eb85470c5d479703e9
chg: ignore SIGINT while waiting pager termination

Otherwise the terminal would be left with unclean state. This is what
fcc4b55876c3 does.

diff -r 85a18f3c0bdd -r 3ddf4d0c4170 contrib/chg/chg.c
--- a/contrib/chg/chg.c	Wed Jun 15 23:32:00 2016 +0900
+++ b/contrib/chg/chg.c	Wed Jun 15 23:49:56 2016 +0900
@@ -434,8 +434,6 @@
 
 	if (sigaction(SIGHUP, &sa, NULL) < 0)
 		goto error;
-	if (sigaction(SIGINT, &sa, NULL) < 0)
-		goto error;
 	if (sigaction(SIGTERM, &sa, NULL) < 0)
 		goto error;
 	if (sigaction(SIGWINCH, &sa, NULL) < 0)
@@ -445,6 +443,11 @@
 	if (sigaction(SIGTSTP, &sa, NULL) < 0)
 		goto error;
 
+	/* ignore Ctrl+C while shutting down to make pager exits cleanly */
+	sa.sa_handler = SIG_IGN;
+	if (sigaction(SIGINT, &sa, NULL) < 0)
+		goto error;
+
 	peerpid = 0;
 	return;