Using Symbian native mutex type in tst_bench_qmutex

The QMutex benchmark contains benchmarks for the native mutex type.
It was using pthread_mutex_t on Symbian, which isn't the true native
mutex type and so isn't really representative of true native
performance. Now it uses RMutex.

Task-number: QTBUG-13990
Reviewed-by: Shane Kearns

1 files changed, 20 insertions, 1 deletions

diff --git a/tests/benchmarks/corelib/thread/qmutex/tst_qmutex.cpp b/tests/benchmarks/corelib/thread/qmutex/tst_qmutex.cpp
index b0c5702..468096d 100644
--- a/tests/benchmarks/corelib/thread/qmutex/tst_qmutex.cpp
+++ b/tests/benchmarks/corelib/thread/qmutex/tst_qmutex.cpp
@@ -44,7 +44,26 @@
 
 #include <math.h>
 
-#ifdef Q_OS_UNIX
+#ifdef Q_OS_SYMBIAN
+# include <e32std.h>
+typedef RMutex NativeMutexType;
+void NativeMutexInitialize(NativeMutexType *mutex)
+{
+    mutex->CreateLocal();
+}
+void NativeMutexDestroy(NativeMutexType *mutex)
+{
+    mutex->Close();
+}
+void NativeMutexLock(NativeMutexType *mutex)
+{
+    mutex->Wait();
+}
+void NativeMutexUnlock(NativeMutexType *mutex)
+{
+    mutex->Signal();
+}
+#elif defined(Q_OS_UNIX)
 #  include <pthread.h>
 #  include <errno.h>
 typedef pthread_mutex_t NativeMutexType;