diff -r 000000000000 -r 6474c204b198 nsprpub/pr/src/cplus/rcmon.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nsprpub/pr/src/cplus/rcmon.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,47 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/*
+** Class: RCMonitor (ref prmonitor.h)
+**
+** RCMonitor.h - C++ wrapper around NSPR's monitors
+*/
+#if defined(_RCMONITOR_H)
+#else
+#define _RCMONITOR_H
+
+#include "rcbase.h"
+#include "rcinrval.h"
+
+struct PRMonitor;
+
+class PR_IMPLEMENT(RCMonitor): public RCBase
+{
+public:
+    RCMonitor();                    /* timeout is infinity */
+    virtual ~RCMonitor();
+
+    virtual void Enter();           /* reentrant entry */
+    virtual void Exit();
+
+    virtual void Notify();          /* possibly enable one thread */
+    virtual void NotifyAll();       /* enable all waiters */
+
+    virtual void Wait();            /* applies object's timeout */
+
+    virtual void SetTimeout(const RCInterval& timeout);
+
+private:
+    PRMonitor *monitor;
+    RCInterval timeout;
+
+public:
+    RCInterval GetTimeout() const;  /* get the current value */
+
+};  /* RCMonitor */
+
+#endif /* defined(_RCMONITOR_H) */
+
+/* RCMonitor.h */