Andreas Kling 9f2b9c82bf More work towards getting bash to build. ...

Implemented some syscalls: dup(), dup2(), getdtablesize().
FileHandle is now a retainable, since that's needed for dup()'ed fd's.
I didn't really test any of this beyond a basic smoke check.

2018-11-05 19:01:59 +01:00

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