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Author SHA1 Message Date
Dan Burkert d8139fef7a Add Handle::block_on method (#2437) 2020-04-24 15:25:48 +03:00
Dan Burkert 46dd38b7d7 Clean up Sink implementation on Framed 
This commit makes a few changes to the Sink implementation on Framed:

* Backpressure is implemented for `start_send`. If the write buffer is
  over 8KiB and can't be flushed, no new items are accepted.
* 0 length writes to the upstream transport are translated into a
  `WriteZero` error, as with `io::Write::write_all`. `write_all` checks
  for and ignores `Interrupted` errors, but I do not think this is
  necessary for non-blocking writes.
* In `poll_complete`, the upstream transport is not flushed until
  *after* writing the entire write buffer.
 2016-11-16 18:42:30 -08:00