Move mutex.h to src/mutex (from Attic)

1 files changed, 56 insertions, 0 deletions

diff --git a/src/mutex/mutex.h b/src/mutex/mutex.h
new file mode 100644
index 000000000..a04ff83c9
--- /dev/null
+++ b/src/mutex/mutex.h
@@ -0,0 +1,56 @@
+/*
+* Mutex
+* (C) 1999-2007 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#ifndef BOTAN_MUTEX_H__
+#define BOTAN_MUTEX_H__
+
+#include <botan/exceptn.h>
+
+namespace Botan {
+
+/*
+* Mutex Base Class
+*/
+class BOTAN_DLL Mutex
+   {
+   public:
+      virtual void lock() = 0;
+      virtual void unlock() = 0;
+      virtual ~Mutex() {}
+   };
+
+/*
+* Mutex Factory
+*/
+class BOTAN_DLL Mutex_Factory
+   {
+   public:
+      virtual Mutex* make() = 0;
+      virtual ~Mutex_Factory() {}
+   };
+
+/*
+* Mutex Holding Class
+*/
+class BOTAN_DLL Mutex_Holder
+   {
+   public:
+      Mutex_Holder(Mutex* m) : mux(m)
+         {
+         if(!mux)
+            throw Invalid_Argument("Mutex_Holder: Argument was NULL");
+         mux->lock();
+         }
+
+      ~Mutex_Holder() { mux->unlock(); }
+   private:
+      Mutex* mux;
+   };
+
+}
+
+#endif