From 6c2ce28d0dca357195d267406b90e705c35312d5 Mon Sep 17 00:00:00 2001
From: Junegunn Choi <junegunn.c@gmail.com>
Date: Fri, 13 Feb 2015 12:25:19 +0900
Subject: Add `--sync` option

---
 src/util/eventbox.go | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'src/util')

diff --git a/src/util/eventbox.go b/src/util/eventbox.go
index 568ad9f7..a5821eab 100644
--- a/src/util/eventbox.go
+++ b/src/util/eventbox.go
@@ -78,3 +78,18 @@ func (b *EventBox) Unwatch(events ...EventType) {
 		b.ignore[event] = true
 	}
 }
+
+func (b *EventBox) WaitFor(event EventType) {
+	looping := true
+	for looping {
+		b.Wait(func(events *Events) {
+			for evt := range *events {
+				switch evt {
+				case event:
+					looping = false
+					return
+				}
+			}
+		})
+	}
+}
-- 
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