diff -r 000000000000 -r 6474c204b198 intl/icu/source/common/cmutex.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/intl/icu/source/common/cmutex.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,39 @@
+/*
+**********************************************************************
+*   Copyright (C) 2013, International Business Machines
+*   Corporation and others.  All Rights Reserved.
+**********************************************************************
+*
+* File cmutex.h
+*
+*     Minimal plain C declarations for ICU mutex functions.
+*     This header provides a transition path for plain C files that 
+*     formerly included mutex.h, which is now a C++ only header.
+*
+*     This header should not be used for new code.
+*
+*     C++ files should include umutex.h, not this header.
+*
+*/
+
+#ifndef __CMUTEX_H__
+#define __CMUTEX_H__
+
+typedef struct UMutex UMutex;
+
+
+/* Lock a mutex.
+ * @param mutex The given mutex to be locked.  Pass NULL to specify
+ *              the global ICU mutex.  Recursive locks are an error
+ *              and may cause a deadlock on some platforms.
+ */
+U_INTERNAL void U_EXPORT2 umtx_lock(UMutex* mutex); 
+
+/* Unlock a mutex.
+ * @param mutex The given mutex to be unlocked.  Pass NULL to specify
+ *              the global ICU mutex.
+ */
+U_INTERNAL void U_EXPORT2 umtx_unlock (UMutex* mutex);
+
+#endif
+