From ea5c0965c69bac549bf2023eaff20082bf85f67e Mon Sep 17 00:00:00 2001
From: Samuel Coleman <samuel@seenet.ca>
Date: Fri, 20 Nov 2015 09:18:40 -0500
Subject: [PATCH] Reduce CPU usage of serial event generator.

There's no reason for the select(2) call to have a 1ms timeout. At that
point, it's basically a busy loop. A 100ms timeout greatly reduces CPU
usage while retaining fairly quick responsiveness to port closure.

Closes #36.
---
 src/main/c/src/SerialImp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/c/src/SerialImp.c b/src/main/c/src/SerialImp.c
index 8e1cc8ae..d076e18f 100644
--- a/src/main/c/src/SerialImp.c
+++ b/src/main/c/src/SerialImp.c
@@ -4146,7 +4146,7 @@ int initialise_event_info_struct( struct event_info_struct *eis )
 	if (eis->fd < FD_SETSIZE && eis->fd > 0) {
 		FD_SET( eis->fd, &eis->rfds );
 		eis->tv_sleep.tv_sec = 0;
-		eis->tv_sleep.tv_usec = 1000;
+		eis->tv_sleep.tv_usec = 100 * 1000;
 		eis->initialised = 1;
 		return( 1 );
 	} else {