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Diffstat (limited to 'Attic/mutex/mutex.h')
-rw-r--r-- | Attic/mutex/mutex.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/Attic/mutex/mutex.h b/Attic/mutex/mutex.h new file mode 100644 index 000000000..f209466d5 --- /dev/null +++ b/Attic/mutex/mutex.h @@ -0,0 +1,71 @@ +/* +* 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 Mutex + { + public: + /** + * Lock the mutex + */ + virtual void lock() = 0; + + /** + * Unlock the mutex + */ + virtual void unlock() = 0; + virtual ~Mutex() {} + }; + +/** +* Mutex Factory +*/ +class Mutex_Factory + { + public: + /** + * @return newly allocated mutex + */ + virtual Mutex* make() = 0; + + virtual ~Mutex_Factory() {} + }; + +/** +* Mutex Holding Class for RAII +*/ +class Mutex_Holder + { + public: + /** + * Hold onto a mutex until we leave scope + * @param m the mutex to lock + */ + 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 |