# HG changeset patch
# User Kim Alvefur <zash@zash.se>
# Date 1570281779 -7200
# Node ID 78f2a3a9c5375cea50069d2647176712e2ec74a8
# Parent  fd94721186b84bf6c3763eafc8c0de5109427470
net.server_epoll: Return early when attepting to set write lock state to current state

Reduces needless duplication of work and log messages..

diff -r fd94721186b8 -r 78f2a3a9c537 net/server_epoll.lua
--- a/net/server_epoll.lua	Thu Oct 03 16:38:46 2019 +0100
+++ b/net/server_epoll.lua	Sat Oct 05 15:22:59 2019 +0200
@@ -668,6 +668,9 @@
 end
 
 function interface:pause_writes()
+	if self._write_lock then
+		return
+	end
 	self:debug("Pause writes");
 	self._write_lock = true;
 	self:setwritetimeout(false);
@@ -675,6 +678,9 @@
 end
 
 function interface:resume_writes()
+	if not self._write_lock then
+		return
+	end
 	self:debug("Resume writes");
 	self._write_lock = nil;
 	if self.writebuffer[1] then