diff options
Diffstat (limited to 'src/libcore/task')
| -rw-r--r-- | src/libcore/task/wake.rs | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/libcore/task/wake.rs b/src/libcore/task/wake.rs index c2768e70aec..c9fb22e0080 100644 --- a/src/libcore/task/wake.rs +++ b/src/libcore/task/wake.rs @@ -190,8 +190,9 @@ impl LocalWaker { impl From<LocalWaker> for Waker { /// Converts a `LocalWaker` into a `Waker`. /// - /// This conversion forgets local waker and allocates a new waker with - /// the same inner. + /// This conversion turns a `!Sync` `LocalWaker` into a `Sync` `Waker`, allowing a wakeup + /// object to be sent to another thread, but giving up its ability to do specialized + /// thread-local wakeup behavior. #[inline] fn from(local_waker: LocalWaker) -> Self { local_waker.0 |