[Boost-commit] svn:boost r85776 - trunk/boost/sync/detail/event

Subject: [Boost-commit] svn:boost r85776 - trunk/boost/sync/detail/event
From: tim_at_[hidden]
Date: 2013-09-18 09:04:51

Author: timblechmann
Date: 2013-09-18 09:04:51 EDT (Wed, 18 Sep 2013)
New Revision: 85776
URL: http://svn.boost.org/trac/boost/changeset/85776

Log:
sync: event - mach event fixes

Text files modified: 
   trunk/boost/sync/detail/event/event_mach.hpp |    14 +++++++-------                          
   1 files changed, 7 insertions(+), 7 deletions(-)

Modified: trunk/boost/sync/detail/event/event_mach.hpp
==============================================================================
--- trunk/boost/sync/detail/event/event_mach.hpp	Wed Sep 18 08:20:12 2013	(r85775)
+++ trunk/boost/sync/detail/event/event_mach.hpp	2013-09-18 09:04:51 EDT (Wed, 18 Sep 2013)	(r85776)
@@ -14,7 +14,6 @@
 
 #include <boost/sync/detail/config.hpp>
 #include <boost/sync/exceptions/resource_error.hpp>
-#include <boost/sync/detail/header.hpp>
 
 #include <mach/task.h>
 #include <mach/semaphore.h>
@@ -23,6 +22,8 @@
 
 #include <boost/atomic.hpp>
 
+#include <boost/sync/detail/header.hpp>
+
 namespace boost {
 
 namespace sync {
@@ -72,14 +73,13 @@
 
         try_again:
             kern_return_t result = semaphore_wait( m_sem );
+            BOOST_VERIFY (result == KERN_SUCCESS);
 
-            if (result == KERN_SUCCESS) {
-                bool isTrue = true;
-                bool firstWaiter = m_signaled.compare_exchange_strong(isTrue, false);
+            bool isTrue = true;
+            bool firstWaiter = m_signaled.compare_exchange_strong(isTrue, false);
 
-                if (firstWaiter) // only the first waiter succeeds
-                    return;
-            }
+            if (firstWaiter) // only the first waiter succeeds
+                return;
 
             goto try_again;
         } else {