[Haskell-cafe] GDB and ticks

Sylvain Henry sylvain at haskus.fr
Mon Oct 18 15:32:30 UTC 2021

On 18/10/2021 16:27, Donn Cave wrote:
> What does it break?  Just about anything I'd run that was written in
> Haskell must run this way, to avoid fatal interrupts in things like
> socket I/O, so it's essentially a default - everything must be built
> with -rtsopts, and run with GHCRTS=-V0 environment.

It shouldn't be necessary on Linux: since 2016 [1] the RTS uses timerfd 
which doesn't use signals and avoids interrupting other I/O.



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