diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /third_party/rust/mio-extras/src/lib.rs | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | third_party/rust/mio-extras/src/lib.rs | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/third_party/rust/mio-extras/src/lib.rs b/third_party/rust/mio-extras/src/lib.rs new file mode 100644 index 0000000000..69a000556c --- /dev/null +++ b/third_party/rust/mio-extras/src/lib.rs @@ -0,0 +1,33 @@ +//! Extra components for use with Mio. +#![deny(missing_docs)] +extern crate lazycell; +extern crate mio; +extern crate slab; + +#[macro_use] +extern crate log; + +pub mod channel; +pub mod timer; + +// Conversion utilities +mod convert { + use std::time::Duration; + + const NANOS_PER_MILLI: u32 = 1_000_000; + const MILLIS_PER_SEC: u64 = 1_000; + + /// Convert a `Duration` to milliseconds, rounding up and saturating at + /// `u64::MAX`. + /// + /// The saturating is fine because `u64::MAX` milliseconds are still many + /// million years. + pub fn millis(duration: Duration) -> u64 { + // Round up. + let millis = (duration.subsec_nanos() + NANOS_PER_MILLI - 1) / NANOS_PER_MILLI; + duration + .as_secs() + .saturating_mul(MILLIS_PER_SEC) + .saturating_add(u64::from(millis)) + } +} |