Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 17 insertions, 0 deletions

diff --git a/third_party/rust/crossbeam-utils/src/sync/mod.rs b/third_party/rust/crossbeam-utils/src/sync/mod.rs
new file mode 100644
index 0000000000..f9eec71fb3
--- /dev/null
+++ b/third_party/rust/crossbeam-utils/src/sync/mod.rs
@@ -0,0 +1,17 @@
+//! Thread synchronization primitives.
+//!
+//! * [`Parker`], a thread parking primitive.
+//! * [`ShardedLock`], a sharded reader-writer lock with fast concurrent reads.
+//! * [`WaitGroup`], for synchronizing the beginning or end of some computation.
+
+#[cfg(not(crossbeam_loom))]
+mod once_lock;
+mod parker;
+#[cfg(not(crossbeam_loom))]
+mod sharded_lock;
+mod wait_group;
+
+pub use self::parker::{Parker, Unparker};
+#[cfg(not(crossbeam_loom))]
+pub use self::sharded_lock::{ShardedLock, ShardedLockReadGuard, ShardedLockWriteGuard};
+pub use self::wait_group::WaitGroup;