From 90360351b452a909f2d0d391a6565b94719e046d Mon Sep 17 00:00:00 2001
From: Chakrit Wichian <chakrit@oozou.com>
Date: Wed, 21 Aug 2013 14:47:28 +0700
Subject: [PATCH] Fix #97 unref() the rotation timeout in RotatingFileStream.

The rotation `setTimeout` from `RotatingFileStream` will prevent the process from exiting.
This fix simply `unref()` the timeout immediately after it is set.
---
 lib/bunyan.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/bunyan.js b/lib/bunyan.js
index 6eaf539..b43e7a6 100644
--- a/lib/bunyan.js
+++ b/lib/bunyan.js
@@ -990,6 +990,9 @@ RotatingFileStream.prototype._setupNextRot = function () {
     this.timeout = setTimeout(
         function () { self.rotate(); },
         this.rotAt - Date.now());
+    if (typeof this.timeout.unref === 'function') {
+      this.timeout.unref();
+    }
 }
 
 RotatingFileStream.prototype._nextRotTime = function _nextRotTime(first) {