From 501acd8b0c5e1faf1ccb709d6370f5317c0f5f5f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ren=C3=A9=20Canna=C3=B2?= <rene.cannao@gmail.com>
Date: Sat, 27 Feb 2016 13:35:33 +0000
Subject: [PATCH] Add a small pause in listener_add()

---
 lib/MySQL_Thread.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/MySQL_Thread.cpp b/lib/MySQL_Thread.cpp
index 29f5e7713..befdc56ec 100644
--- a/lib/MySQL_Thread.cpp
+++ b/lib/MySQL_Thread.cpp
@@ -289,7 +289,9 @@ int MySQL_Threads_Handler::listener_add(const char *iface) {
 		unsigned int i;
 		for (i=0;i<num_threads;i++) {
 			MySQL_Thread *thr=(MySQL_Thread *)mysql_threads[i].worker;
-			while(!__sync_bool_compare_and_swap(&thr->mypolls.pending_listener_add,0,rc));
+			while(!__sync_bool_compare_and_swap(&thr->mypolls.pending_listener_add,0,rc)) {
+				usleep(100); // pause a bit
+			}
 /*		
 			while(!__sync_bool_compare_and_swap(&thr->mypolls.pending_listener_change,0,1)) { cpu_relax_pa(); }
 			while(__sync_fetch_and_add(&thr->mypolls.pending_listener_change,0)==1) { cpu_relax_pa(); }