From 8d3ce8b77c7bdc939e051347580da2970d7c3e8c Mon Sep 17 00:00:00 2001
From: Max Lv <max.c.lv@gmail.com>
Date: Mon, 7 May 2018 09:05:38 +0800
Subject: [PATCH] Make sure ev_io_stop before ev_io_set

---
 src/resolv.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/src/resolv.c b/src/resolv.c
index 1785f766..c2778ff5 100644
--- a/src/resolv.c
+++ b/src/resolv.c
@@ -460,12 +460,9 @@ static void
 resolv_sock_state_cb(void *data, int s, int read, int write)
 {
     struct resolv_ctx *ctx = (struct resolv_ctx *)data;
-    int io_active          = ev_is_active(&ctx->io);
 
     if (read || write) {
-        if (io_active && ctx->io.fd != s) {
-            ev_io_stop(default_loop, &ctx->io);
-        }
+        ev_io_stop(default_loop, &ctx->io);
         ev_io_set(&ctx->io, s, (read ? EV_READ : 0) | (write ? EV_WRITE : 0));
         ev_io_start(default_loop, &ctx->io);
     } else {