From 03752b3f44fbb61d4b392959ba6c28cbde6e667f Mon Sep 17 00:00:00 2001
From: paulc <paulc@acf43c95-373e-0410-b603-e72c3f656dc1>
Date: Fri, 13 Nov 2015 07:47:38 +0000
Subject: [PATCH] Slow down the consumer waiting loop as to not burn too much
 CPU.

git-svn-id: http://yate.null.ro/svn/yate/trunk@6064 acf43c95-373e-0410-b603-e72c3f656dc1
---
 modules/wavefile.cpp | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/modules/wavefile.cpp b/modules/wavefile.cpp
index 67f5e4a0..075c97f1 100644
--- a/modules/wavefile.cpp
+++ b/modules/wavefile.cpp
@@ -362,11 +362,19 @@ void WaveSource::run()
     // internally reference if used for override or replace purpose
     bool noChan = (0 == m_chan);
     // wait until at least one consumer is attached
+    unsigned int fast = 4;
     while (!r) {
 	lock();
 	r = m_consumers.count();
 	unlock();
-	Thread::yield();
+	if (r)
+	    ;
+	else if (fast) {
+	    --fast;
+	    Thread::yield();
+	}
+	else
+	    Thread::idle();
 	if (!looping(noChan)) {
 	    notify(0,"replaced");
 	    return;