[swift-server-dev] TSAN errors with current PoC implementation?

[Carl Brown]

The current implementation has been deemed insufficiently asynchronous for our purposes, so work has shifted to focus on https://github.com/swift-server/http/pull/96 - which would effectively replace it.

That said, I have a branch that has additional DispatchSemaphores that allows the tests to pass with ASAN/TSAN enabled.  I'll be happy to put up a PR for that if it would be useful to you (or the community) for the time being until the tests for PR#96 get fixed and it gets merged.

-Carl


> On Nov 30, 2017, at 11:17 AM, Daniel Dunbar via swift-server-dev <swift-server-dev at swift.org> wrote:
> 
> Hi all,
> 
> I’ve been working on making llbuild itself be a Swift package, and one of the things I built up was a demo of computing Conway’s “Game of Life” using llbuild, with a web frontend.
> 
> I am hitting some reliability issues, which could completely be the fault of llbuild, but when I went to run under TSAN I noticed I am getting loads of TSAN errors coming from the HTTP server implementation. Has anyone looked at this?
> 
> For reference, this is my WIP implementation:
> https://github.com/apple/swift-llbuild/pull/200
> https://github.com/apple/swift-llbuild/pull/200/files#diff-2ee604f667e001f91c67ef2b933a3057R53
> 
> - Daniel
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