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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
commit | 2aa4a82499d4becd2284cdb482213d541b8804dd (patch) | |
tree | b80bf8bf13c3766139fbacc530efd0dd9d54394c /third_party/rust/miow-0.2.1/src/lib.rs | |
parent | Initial commit. (diff) | |
download | firefox-upstream.tar.xz firefox-upstream.zip |
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/rust/miow-0.2.1/src/lib.rs')
-rw-r--r-- | third_party/rust/miow-0.2.1/src/lib.rs | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/third_party/rust/miow-0.2.1/src/lib.rs b/third_party/rust/miow-0.2.1/src/lib.rs new file mode 100644 index 0000000000..58643ffae5 --- /dev/null +++ b/third_party/rust/miow-0.2.1/src/lib.rs @@ -0,0 +1,57 @@ +//! A zero overhead Windows I/O library + +#![cfg(windows)] +#![deny(missing_docs)] +#![allow(bad_style)] +#![doc(html_root_url = "https://docs.rs/miow/0.1/x86_64-pc-windows-msvc/")] + +extern crate kernel32; +extern crate net2; +extern crate winapi; +extern crate ws2_32; + +#[cfg(test)] extern crate rand; + +use std::cmp; +use std::io; +use std::time::Duration; + +use winapi::*; + +macro_rules! t { + ($e:expr) => (match $e { + Ok(e) => e, + Err(e) => panic!("{} failed with {:?}", stringify!($e), e), + }) +} + +mod handle; +mod overlapped; + +pub mod iocp; +pub mod net; +pub mod pipe; + +pub use overlapped::Overlapped; + +fn cvt(i: BOOL) -> io::Result<BOOL> { + if i == 0 { + Err(io::Error::last_os_error()) + } else { + Ok(i) + } +} + +fn dur2ms(dur: Option<Duration>) -> u32 { + let dur = match dur { + Some(dur) => dur, + None => return INFINITE, + }; + let ms = dur.as_secs().checked_mul(1_000); + let ms_extra = dur.subsec_nanos() / 1_000_000; + ms.and_then(|ms| { + ms.checked_add(ms_extra as u64) + }).map(|ms| { + cmp::min(u32::max_value() as u64, ms) as u32 + }).unwrap_or(INFINITE - 1) +} |