send doesn't work

[unDEFER via Digitalmars-d]

On Tuesday, 15 November 2016 at 20:46:59 UTC, Steven 
Schveighoffer wrote:

> From experience, this smells like a race condition.

And I have found the error! And you are right! It is really race 
condition.
The problem was that I had not one receiveTimeout() but 3 
receiveTimeout() for each thread. I don't know how I expect that 
each send must go to his own receiveTimeout, but of course it was 
false.

Big thanks to all!