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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /vendor/miow/src/lib.rs
parentInitial commit. (diff)
downloadrustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz
rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/miow/src/lib.rs')
-rw-r--r--vendor/miow/src/lib.rs54
1 files changed, 54 insertions, 0 deletions
diff --git a/vendor/miow/src/lib.rs b/vendor/miow/src/lib.rs
new file mode 100644
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+++ b/vendor/miow/src/lib.rs
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+//! A zero overhead Windows I/O library
+
+#![cfg(windows)]
+#![deny(missing_docs)]
+#![allow(bad_style)]
+#![doc(html_root_url = "https://docs.rs/miow/0.3/x86_64-pc-windows-msvc/")]
+
+use std::cmp;
+use std::io;
+use std::time::Duration;
+
+use windows_sys::Win32::Foundation::*;
+use windows_sys::Win32::System::WindowsProgramming::*;
+
+#[cfg(test)]
+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 crate::overlapped::Overlapped;
+pub(crate) const TRUE: BOOL = 1;
+pub(crate) const FALSE: BOOL = 0;
+
+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)
+}