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Work around cygwin issue on condvar timeout #140210

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Merged
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Apr 25, 2025
Merged

Work around cygwin issue on condvar timeout #140210

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5 changes: 4 additions & 1 deletion library/std/src/sys/pal/unix/sync/condvar.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -64,7 +64,10 @@ impl Condvar {
// https://gist.github.com/stepancheg/198db4623a20aad2ad7cddb8fda4a63c
//
// To work around this issue, the timeout is clamped to 1000 years.
#[cfg(target_vendor = "apple")]
//
// Cygwin implementation is based on NT API and a super large timeout
// makes the syscall block forever.
#[cfg(any(target_vendor = "apple", target_os = "cygwin"))]
let dur = Duration::min(dur, Duration::from_secs(1000 * 365 * 86400));

let timeout = Timespec::now(Self::CLOCK).checked_add_duration(&dur);
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