tree b0c56a9e8d11a2980d0505e2b387dd74bca5f7c8
parent b86e9b0b63f4fbcc80859ff2637f86ee3ddc374c
author Alex Light <allight@google.com> 1576629574 -0800
committer Treehugger Robot <treehugger-gerrit@google.com> 1578629329 +0000

Improve parallel_run.py somewhat

Make parallel_run just wait for any remaining jobs to finish before
exiting. Attempting to exit early generally didn't work very well.

Also improve documentation a bit.

Test: ./art/tools/parallel_run.py -j80 runit.sh
Change-Id: Ie8b3f1b4ad9bbc03a04e6bdc8e8cea6140b85f7f