* Fix#5128, #5184.
Removed flush() procedure from ioselectors.nim
Changed methods of work with application-driven data
* Make cache switch for kqueue, update test for it.
* Fix registerProcess bug returns wrong id.
Fix tupcoming_async test to compile with upcoming again.
Change socket() as unique identifier to dup(socket) as unique identifier.
This directory contains the test cases.
Each test must have a filename of the form: ``t*.nim``
Each test can contain a spec in a ``discard """"""`` block.
The folder ``rodfiles`` contains special tests that test incremental
compilation via symbol files.
The folder ``dll`` contains simple DLL tests.
The folder ``realtimeGC`` contains a test for validating that the realtime GC
can run properly without linking against the nimrtl.dll/so. It includes a C
client and platform specific build files for manual compilation.