cylc/cylc — pull request #1012 by hjoliver (2014-07-11 13:06:04+00:00)
Title: Process or thread pool to replace command execution threads.

Replaces #891 (which, pre cylc-6, targeted the wrong branch)

A process pool to handle execution of job submission, event handler, and poll and kill commands.
Replaces batched command execution in threads.