Constant RUSAGE_SELF

pub const RUSAGE_SELF: i32 = 0;

Available on crate feature dep_nc only.

Resource control/accounting header file for linux Definition of struct rusage taken from BSD 4.3 Reno

We don’t support all of these yet, but we might as well have them…. Otherwise, each time we add new items, programs which depend on this structure will lose. This reduces the chances of that happening.