diff options
Diffstat (limited to 'src/VBox/Main/include/MediumLock.h')
| -rw-r--r-- | src/VBox/Main/include/MediumLock.h | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/src/VBox/Main/include/MediumLock.h b/src/VBox/Main/include/MediumLock.h index eaa12f8b..a65ebd03 100644 --- a/src/VBox/Main/include/MediumLock.h +++ b/src/VBox/Main/include/MediumLock.h @@ -6,7 +6,7 @@ */ /* - * Copyright (C) 2010 Oracle Corporation + * Copyright (C) 2010-2013 Oracle Corporation * * This file is part of VirtualBox Open Source Edition (OSE), as * available from http://www.virtualbox.org. This file is free software; @@ -89,11 +89,18 @@ public: bool GetLockRequest() const; /** + * Check if this medium object has been locked by this MediumLock. + */ + bool IsLocked() const; + + /** * Acquire a medium lock. * * @return COM status code + * @param aIgnoreLockedMedia If set ignore all media which is already + * locked in an incompatible way. */ - HRESULT Lock(); + HRESULT Lock(bool aIgnoreLockedMedia = false); /** * Release a medium lock. @@ -104,6 +111,7 @@ public: private: ComObjPtr<Medium> mMedium; + ComPtr<IToken> mToken; AutoCaller mMediumCaller; bool mLockWrite; bool mIsLocked; @@ -207,8 +215,14 @@ public: * Acquire all medium locks "atomically", i.e. all or nothing. * * @return COM status code + * @param aSkipOverLockedMedia If set ignore all media which is already + * locked for reading or writing. For callers + * which need to know which medium objects + * have been locked by this lock list you + * can iterate over the list and check the + * MediumLock state. */ - HRESULT Lock(); + HRESULT Lock(bool aSkipOverLockedMedia = false); /** * Release all medium locks. |