Mark `-1` as an available niche for file descriptors#74699

Merged

bors merged 4 commits intorust-lang:masterfrom notriddle:fd-non-negative

Dec 20, 2020

+27-6

Commits on Dec 10, 2020

Commits on Dec 20, 2020

Check that c_int is i32 in FileDesc::new.
m-ou-se
authored