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Author SHA1 Message Date
Tomasz Miąsko a7a79f28a8 rt: use release ordering in drop_join_handle_fast (#2044) 
Previously acquire operations reading a value written by a successful
CAS in `drop_join_handle_fast` did not synchronize with it. The CAS
wasn't guaranteed to happen before the task deallocation, and so
created a data race between the two.

Use release success ordering to ensure synchronization.
 2020-01-09 12:06:11 -08:00
Tomasz Miąsko 5930acef73 rt: share vtable between waker and waker ref (#2045) 
The `Waker::will_wake` compares both a data pointer and a vtable to
decide if wakers are equivalent. To avoid false negatives during
comparison, use the same vtable for a waker stored in `WakerRef`.
 2020-01-06 10:39:48 -08:00
Tomasz Miąsko 756606a58b uds: implement split and split_mut for UnixStream (#1395) 
This mirrors split API available in TcpStream.
 2019-08-09 12:50:18 -07:00