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Use to the new stabilised fetch_min

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A minor simplification using the corresponding new standard library function.
This commit is contained in:
Ingvar Stepanyan 2020-10-07 16:03:07 +01:00
parent f5e2de6795
commit 16c7a4b9ba
1 changed files with 2 additions and 14 deletions
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16
src/atomicmin.rs
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@ -1,5 +1,5 @@
use std::sync::atomic::AtomicUsize; use std::sync::atomic::AtomicUsize;
use std::sync::atomic::Ordering::{Relaxed, SeqCst}; use std::sync::atomic::Ordering::SeqCst;
#[derive(Debug)] #[derive(Debug)]
pub struct AtomicMin { pub struct AtomicMin {
@ -28,18 +28,6 @@ impl AtomicMin {
} }
pub fn set_min(&self, new_val: usize) { pub fn set_min(&self, new_val: usize) {
let mut current_val = self.val.load(Relaxed); self.val.fetch_min(new_val, SeqCst);
loop {
if new_val < current_val {
if let Err(v) = self
.val
.compare_exchange(current_val, new_val, SeqCst, Relaxed)
{
current_val = v;
continue;
}
}
break;
}
} }
} }