1 files changed, 24 insertions, 0 deletions
diff --git a/src/runtime/io/metrics.rs b/src/runtime/io/metrics.rs
new file mode 100644
index 0000000..ec341ef
--- /dev/null
+++ b/src/runtime/io/metrics.rs
@@ -0,0 +1,24 @@
+//! This file contains mocks of the metrics types used in the I/O driver.
+//!
+//! The reason these mocks don't live in `src/runtime/mock.rs` is because
+//! these need to be available in the case when `net` is enabled but
+//! `rt` is not.
+
+cfg_not_rt_and_metrics_and_net! {
+    #[derive(Default)]
+    pub(crate) struct IoDriverMetrics {}
+
+    impl IoDriverMetrics {
+        pub(crate) fn incr_fd_count(&self) {}
+        pub(crate) fn dec_fd_count(&self) {}
+        pub(crate) fn incr_ready_count_by(&self, _amt: u64) {}
+    }
+}
+
+cfg_net! {
+    cfg_rt! {
+        cfg_metrics! {
+            pub(crate) use crate::runtime::IoDriverMetrics;
+        }
+    }
+}