Re: How does the IO manager handle reading regular files?

Niklas Hambüchen writes: ...

So GHC is trying to use `O_NONBLOCK` on regular files, which cannot work and will block when used through unsafe foreign calls like that.

Yikes!

Is this a known problem?

Doesn't sound familiar to me. Sounds like a ticket is in order. Thanks for spotting all of these nasty I/O issues; who knew there could be so many of them. Cheers, - Ben