From dcfb7be88d8c72d2bc619317bd28dbda653b99a2 Mon Sep 17 00:00:00 2001
From: Oliver Kowalke <oliver.kowalke@gmx.de>
Date: Wed, 13 Mar 2013 19:29:55 +0100
Subject: [PATCH] release lock in unlock() earlier

---
 src/mutex.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/mutex.cpp b/src/mutex.cpp
index 17e9ee71..44fd464a 100644
--- a/src/mutex.cpp
+++ b/src/mutex.cpp
@@ -55,11 +55,13 @@ mutex::lock()
             {
                 // notifier for main-fiber
                 n = detail::scheduler::instance().notifier();
+
                 // store this fiber in order to be notified later
                 unique_lock< detail::spinlock > lk( splk_);
                 waiting_.push_back( n);
-
                 lk.unlock();
+
+                // wait until main-fiber gets notified
                 while ( ! n->is_ready() )
                 {
                     // run scheduler
@@ -92,6 +94,7 @@ mutex::unlock()
         n.swap( waiting_.front() );
         waiting_.pop_front();
     }
+    lk.unlock();
 
 	state_ = UNLOCKED;