From 34400ee551b0c1e15c029342724a20acd8e9375e Mon Sep 17 00:00:00 2001
From: VilhoRaatikka <vilho.raatikka@skysql.com>
Date: Fri, 10 Oct 2014 23:53:55 +0300
Subject: [PATCH] Fixed the use of nanosleep which removed a spinloop and
 degraded the performance dramatically.

---
 server/core/gateway.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/server/core/gateway.c b/server/core/gateway.c
index 34783bc52..8e6dbb5ee 100644
--- a/server/core/gateway.c
+++ b/server/core/gateway.c
@@ -1671,9 +1671,11 @@ static void log_flush_cb(
         void* arg)
 {
         ssize_t timeout_ms = *(ssize_t *)arg;
-	const struct timespec ts1 = {0, 1000000*timeout_ms};
-	struct timespec ts2;
+	struct timespec ts1;
 
+	ts1.tv_sec = timeout_ms/1000;
+	ts1.tv_nsec = (timeout_ms%1000)*1000000;
+	
         LOGIF(LM, (skygw_log_write(LOGFILE_MESSAGE,
                                    "Started MaxScale log flusher.")));
         while (!do_exit) {
@@ -1681,7 +1683,7 @@ static void log_flush_cb(
             skygw_log_flush(LOGFILE_MESSAGE);
             skygw_log_flush(LOGFILE_TRACE);
             skygw_log_flush(LOGFILE_DEBUG);
-	    nanosleep(&ts1, &ts2);
+	    nanosleep(&ts1, NULL);
         }
         LOGIF(LM, (skygw_log_write(LOGFILE_MESSAGE,
                                    "Finished MaxScale log flusher.")));