/
io.rs
30 lines (25 loc) · 943 Bytes
/
io.rs
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#![cfg_attr(not(feature = "net"), allow(dead_code))]
use crate::loom::sync::atomic::{AtomicU64, Ordering::Relaxed};
#[derive(Default)]
pub(crate) struct IoDriverMetrics {
pub(super) fd_registered_count: AtomicU64,
pub(super) fd_deregistered_count: AtomicU64,
pub(super) ready_count: AtomicU64,
}
impl IoDriverMetrics {
pub(crate) fn incr_fd_count(&self) {
let prev = self.fd_registered_count.load(Relaxed);
let new = prev.wrapping_add(1);
self.fd_registered_count.store(new, Relaxed);
}
pub(crate) fn dec_fd_count(&self) {
let prev = self.fd_deregistered_count.load(Relaxed);
let new = prev.wrapping_add(1);
self.fd_deregistered_count.store(new, Relaxed);
}
pub(crate) fn incr_ready_count_by(&self, amt: u64) {
let prev = self.ready_count.load(Relaxed);
let new = prev.wrapping_add(amt);
self.ready_count.store(new, Relaxed);
}
}