From 52ae826492f50f151138ed115faa5e0ac8c803ce Mon Sep 17 00:00:00 2001
From: Fedor Indutny <fedor@indutny.com>
Date: Wed, 15 Feb 2017 00:44:41 -0500
Subject: [PATCH] unix: remove unused code in `uv__io_start`
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The code path in `uv__io_start` cannot be reached because `pevents` is
always non-zero at that point.

PR-URL: https://github.com/libuv/libuv/pull/1227
Reviewed-By: Saúl Ibarra Corretgé <saghul@gmail.com>
Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
---
 src/unix/core.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/src/unix/core.c b/src/unix/core.c
index 1ec549cc..9ef71349 100644
--- a/src/unix/core.c
+++ b/src/unix/core.c
@@ -839,13 +839,8 @@ void uv__io_start(uv_loop_t* loop, uv__io_t* w, unsigned int events) {
    * every tick of the event loop but the other backends allow us to
    * short-circuit here if the event mask is unchanged.
    */
-  if (w->events == w->pevents) {
-    if (w->events == 0 && !QUEUE_EMPTY(&w->watcher_queue)) {
-      QUEUE_REMOVE(&w->watcher_queue);
-      QUEUE_INIT(&w->watcher_queue);
-    }
+  if (w->events == w->pevents)
     return;
-  }
 #endif
 
   if (QUEUE_EMPTY(&w->watcher_queue))