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-rw-r--r--third_party/rust/crossbeam-utils-0.6.6/src/sync/mod.rs17
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diff --git a/third_party/rust/crossbeam-utils-0.6.6/src/sync/mod.rs b/third_party/rust/crossbeam-utils-0.6.6/src/sync/mod.rs
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+//! 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.
+//!
+//! [`Parker`]: struct.Parker.html
+//! [`ShardedLock`]: struct.ShardedLock.html
+//! [`WaitGroup`]: struct.WaitGroup.html
+
+mod parker;
+mod sharded_lock;
+mod wait_group;
+
+pub use self::sharded_lock::{ShardedLock, ShardedLockReadGuard, ShardedLockWriteGuard};
+pub use self::parker::{Parker, Unparker};
+pub use self::wait_group::WaitGroup;