add vorgabe10

c_os/lib/SpinLock.h

@@ -0,0 +1,31 @@
+/*****************************************************************************
+ *                                                                           *
+ *                              S P I N L O C K                              *
+ *                                                                           *
+ *---------------------------------------------------------------------------*
+ * Beschreibung:    Implementierung eines Spinlocks mithilfe der cmpxchg     *
+ *					Instruktion. 											 *
+ *                                                                           *
+ * Autor:           Michael Schoettner, 2.2.2018                             *
+ *****************************************************************************/
+
+#ifndef __SpinLock_include__
+#define __SpinLock_include__
+
+class SpinLock {
+
+private:
+    SpinLock(const SpinLock& copy) = delete;  // Verhindere Kopieren
+
+    unsigned long lock;
+    unsigned long* ptr;
+
+public:
+    SpinLock() : lock(0), ptr(&lock) {}
+
+    void acquire();
+
+    void release();
+};
+
+#endif