- Prevents destruction of MemObj while it may still be in use.
- Add UNRECOVERABLE to check whether object is deleted while having
dependencies, fix all problems is tests due to that fact.
- Fix special queue setting, clean interfaces.
Change-Id: I2a467e80df00ea1650decdcfa6866acf10b441f8
- This causes event tree update if virtual event is holding commands or
callbacks
- That causes race between other threads that may be updating the tree
Change-Id: Ic80a8b71ed1e1c1deab8af1bc64f8ce81c21de1b