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-rw-r--r--tokio/src/sync/semaphore.rs9
1 files changed, 9 insertions, 0 deletions
diff --git a/tokio/src/sync/semaphore.rs b/tokio/src/sync/semaphore.rs
index 2489d34a..136f14e6 100644
--- a/tokio/src/sync/semaphore.rs
+++ b/tokio/src/sync/semaphore.rs
@@ -74,6 +74,15 @@ impl Semaphore {
}
}
+ /// Creates a new semaphore with the initial number of permits.
+ #[cfg(all(feature = "parking_lot", not(all(loom, test))))]
+ #[cfg_attr(docsrs, doc(cfg(feature = "parking_lot")))]
+ pub const fn const_new(permits: usize) -> Self {
+ Self {
+ ll_sem: ll::Semaphore::const_new(permits),
+ }
+ }
+
/// Returns the current number of available permits.
pub fn available_permits(&self) -> usize {
self.ll_sem.available_permits()