Unused druntime code: Barrier, ReadWriteMutex, Condition

[Denis Feklushkin]

On Monday, 15 June 2026 at 09:41:00 UTC, Denis Feklushkin wrote:

> Most likely, these primitives do not exist in any OS - they are 
> too high-level and can be implemented on the basis of "more 
> primitive" primitives. (Posix implementation just provides 
> convient wrapper, I think)

It is possible make PR on this base which will satisfy everyone. 
However, I'll wait for information about Windows (see previous 
message).