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Condvar: implement wait_timeout for targets without threads #134389

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merged 1 commit into from
Jan 8, 2025
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Condvar: implement wait_timeout for targets without threads #134389

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Implement Condvar::wait_timeout for targets without threads 
This always falls back to sleeping since there is no way
to notify a condvar on a target without threads.
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@surban
surban committed Dec 18, 2024
commit 45c7ddfea6ba9980a1c6f4f9bd9c821e56af035e
6 changes: 4 additions & 2 deletions library/std/src/sys/sync/condvar/no_threads.rs
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Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
use crate::sys::sync::Mutex;
use crate::thread::sleep;
use crate::time::Duration;

pub struct Condvar {}
Expand All @@ -19,7 +20,8 @@ impl Condvar {
panic!("condvar wait not supported")
}

pub unsafe fn wait_timeout(&self, _mutex: &Mutex, _dur: Duration) -> bool {
panic!("condvar wait not supported");
pub unsafe fn wait_timeout(&self, _mutex: &Mutex, dur: Duration) -> bool {
sleep(dur);
false
}
}
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