sync: add Semaphore (#1973)

Provide an asynchronous Semaphore implementation. This is useful for
synchronizing concurrent access to a shared resource.

3 files changed, 4 insertions, 4 deletions

diff --git a/tokio/src/sync/tests/loom_semaphore.rs b/tokio/src/sync/tests/loom_semaphore_ll.rs
index 7b8de0f0..cd4314ca 100644
--- a/tokio/src/sync/tests/loom_semaphore.rs
+++ b/tokio/src/sync/tests/loom_semaphore_ll.rs
@@ -1,4 +1,4 @@
-use crate::sync::semaphore::*;
+use crate::sync::semaphore_ll::*;
 
 use futures::future::poll_fn;
 use loom::future::block_on;
diff --git a/tokio/src/sync/tests/mod.rs b/tokio/src/sync/tests/mod.rs
index 06d18e9a..0b50cc95 100644
--- a/tokio/src/sync/tests/mod.rs
+++ b/tokio/src/sync/tests/mod.rs
@@ -1,6 +1,6 @@
 cfg_not_loom! {
     mod atomic_waker;
-    mod semaphore;
+    mod semaphore_ll;
 }
 
 cfg_loom! {
@@ -8,5 +8,5 @@ cfg_loom! {
     mod loom_list;
     mod loom_mpsc;
     mod loom_oneshot;
-    mod loom_semaphore;
+    mod loom_semaphore_ll;
 }
diff --git a/tokio/src/sync/tests/semaphore.rs b/tokio/src/sync/tests/semaphore_ll.rs
index 86dd7da5..8dd56c85 100644
--- a/tokio/src/sync/tests/semaphore.rs
+++ b/tokio/src/sync/tests/semaphore_ll.rs
@@ -1,4 +1,4 @@
-use crate::sync::semaphore::{Permit, Semaphore};
+use crate::sync::semaphore_ll::{Permit, Semaphore};
 use tokio_test::task;
 use tokio_test::{assert_pending, assert_ready_err, assert_ready_ok};