[llvm] r278544 - [LibFuzzer] Fix `-jobs=<N>` where <N> > 1 and the number of workers is > 1 on macOS.

[Dan Liew via llvm-commits]

Hi Kostya,

On 17 August 2016 at 01:44, Kostya Serebryany <kcc at google.com> wrote:
> fuzzer-jobs.test periodically fails.
> Do you see that?

Sorry for the delay in responding. I've been travelling back home.

I've not been getting any buildbot failure notifications about this.

The test I've written is racey though. It will fail if LibFuzzer
hasn't managed to spawn two LibFuzzer child processes that have
created their log files within 1 second. Perhaps the 1 second time is
too short for some buildbots if they are under load? We could extend
the time we wait (to something > 1 second) but we'd have to probably
increase `-max_total_time=4` to something larger. This wouldn't be a
real fix though as the test would still be racey.

Dan.