From 83430937087620dbe145c035c3eb711378e76eb2 Mon Sep 17 00:00:00 2001
From: Paul Hollinsky <phollinsky@intrepidcs.com>
Date: Tue, 18 Sep 2018 16:51:22 -0400
Subject: [PATCH] Fixed an issue where Windows VCP data latency was bad at low
 traffic

---
 platform/windows/vcp.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/platform/windows/vcp.cpp b/platform/windows/vcp.cpp
index c522a47..ee3849c 100644
--- a/platform/windows/vcp.cpp
+++ b/platform/windows/vcp.cpp
@@ -142,6 +142,10 @@ bool VCP::open(bool fromAsync) {
 		return false;
 	}
 
+	// See https://docs.microsoft.com/en-us/windows/desktop/api/winbase/ns-winbase-_commtimeouts#remarks
+	timeouts.ReadIntervalTimeout = MAXDWORD;
+	timeouts.ReadTotalTimeoutMultiplier = MAXDWORD;
+	timeouts.ReadTotalTimeoutConstant = 100;
 	timeouts.WriteTotalTimeoutConstant = 10000;
 	timeouts.WriteTotalTimeoutMultiplier = 0;