From eb2c0981974ef5d93e6315880973c4c256c89dc3 Mon Sep 17 00:00:00 2001
From: bernard <bernard.xiong@rt-thread.com>
Date: Tue, 31 Jan 2017 13:19:18 +0800
Subject: [C++] Add C++ interface for RT-Thread kernel.

---
 components/cplusplus/Mutex.cpp | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 components/cplusplus/Mutex.cpp

(limited to 'components/cplusplus/Mutex.cpp')

diff --git a/components/cplusplus/Mutex.cpp b/components/cplusplus/Mutex.cpp
new file mode 100644
index 0000000000..c8dbbe6598
--- /dev/null
+++ b/components/cplusplus/Mutex.cpp
@@ -0,0 +1,35 @@
+#include "Mutex.h"
+
+using namespace rtthread;
+
+Mutex::Mutex(const char *name)
+{
+    rt_mutex_init(&mID, name, RT_IPC_FLAG_FIFO);
+}
+
+bool Mutex::lock(int32_t millisec)
+{
+    rt_int32_t tick;
+
+    if (millisec < 0)
+        tick = -1;
+    else
+        tick = rt_tick_from_millisecond(millisec);
+
+    return rt_mutex_take(&mID, tick) == RT_EOK;
+}
+
+bool Mutex::trylock()
+{
+    return lock(0);
+}
+
+void Mutex::unlock()
+{
+    rt_mutex_release(&mID);
+}
+
+Mutex::~Mutex()
+{
+    rt_mutex_detach(&mID);
+}
-- 
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