From 7045b6f03025dfd0fecdd562fc267765a0072d6e Mon Sep 17 00:00:00 2001
From: Christian Heller <c.heller@plomlompom.de>
Date: Mon, 31 Mar 2014 04:12:58 +0200
Subject: [PATCH 1/1] Server: Poll server/in only every 0.33 seconds to reduce
 CPU usage.

---
 TODO            | 2 --
 src/server/io.c | 3 +++
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/TODO b/TODO
index b90cb76..42c0e9a 100644
--- a/TODO
+++ b/TODO
@@ -11,8 +11,6 @@ BOTH SERVER/CLIENT:
 
 - in textfield_width(), handle too large lines somehow
 
-- use select() polling where possible for server-client communication
-
 - may err_line store the processed line internally as it does the line count
 
 SERVER:
diff --git a/src/server/io.c b/src/server/io.c
index 28c76b8..ba5abd5 100644
--- a/src/server/io.c
+++ b/src/server/io.c
@@ -1,5 +1,6 @@
 /* src/server/io.c */
 
+#define _BSD_SOURCE /* usleep() */
 #include "io.h"
 #include <errno.h> /* global errno */
 #include <limits.h> /* PIPE_BUF */
@@ -10,6 +11,7 @@
 #include <string.h> /* strlen(), memcpy() */
 #include <sys/types.h> /* time_t */
 #include <time.h> /* time() */
+#include <unistd.h> /* usleep() */
 #include "../common/err_try_fgets.h" /* err_line() */
 #include "../common/readwrite.h" /* try_fopen(), try_fclose_unlink_rename(),
                                   * try_fwrite(), try_fputc(), try_fgetc()
@@ -94,6 +96,7 @@ static void read_file_into_queue()
     int test;
     while (EOF == (test = try_fgetc(world.file_in, f_name)))
     {
+        usleep(33);
         if (time(0) > now + wait_seconds)
         {
             return;
-- 
2.30.2