robust interprocess mutex enhancments proposal

[lsopko@…]

As we discus with Ion Gaztanaga, I post here my proposal for future enhancements of robust interprocess mutex.

there is code posted on : codereview.stackexchange.com with question : questions/57083/portable-c-boostiterprocessmutex-an-another-try

I'll follow also Niall Douglas considerations about use timestamp.

Ladislav.

[lsopko@…]

actual code