| // Copyright 2016 The RLS Project Developers. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| #[cfg(unix)] |
| pub fn get_resident() -> Option<usize> { |
| use std::fs::File; |
| use std::io::Read; |
| |
| let field = 1; |
| let mut f = File::open("/proc/self/statm").ok()?; |
| let mut contents = String::new(); |
| f.read_to_string(&mut contents).ok()?; |
| let s = contents.split_whitespace().nth(field)?; |
| let npages = s.parse::<usize>().ok()?; |
| Some(npages * 4096) |
| } |
| |
| #[cfg(not(unix))] |
| pub fn get_resident() -> Option<usize> { |
| None |
| } |
