From 417321072f0a266528b82e05528039cccf34ad2c Mon Sep 17 00:00:00 2001
From: Tatsuhiro Tsujikawa <tatsuhiro.t@gmail.com>
Date: Tue, 3 Jan 2017 16:43:49 +0900
Subject: [PATCH] nghttpx: Fix assertion error in libev ev_io_start

---
 src/shrpx_rate_limit.cc | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/shrpx_rate_limit.cc b/src/shrpx_rate_limit.cc
index 182e10a6..65b0f66c 100644
--- a/src/shrpx_rate_limit.cc
+++ b/src/shrpx_rate_limit.cc
@@ -83,13 +83,16 @@ void RateLimit::regen() {
     avail_ += rate_;
   }
 
-  if (avail_ > 0 && startw_req_) {
+  if (w_->fd >= 0 && avail_ > 0 && startw_req_) {
     ev_io_start(loop_, w_);
     handle_tls_pending_read();
   }
 }
 
 void RateLimit::startw() {
+  if (w_->fd < 0) {
+    return;
+  }
   startw_req_ = true;
   if (rate_ == 0 || avail_ > 0) {
     ev_io_start(loop_, w_);