tree 48fc178f8187038f1bebc8c1321e8627e25fe1a7
parent 20c2435836cc8094c68828a891fa6c1e91965c56
author Nathan Mulcahey <nmulcahey@google.com> 1558814179 -0700
committer Nathan Mulcahey <nmulcahey@google.com> 1561560077 -0700

[serial][botanist] Respect ctx.Cancel().

This refactors the Serial object into its own interface that extends the
normal io.ReadWriteCloser behavior to allow cancellation during
io.Read() so that io.Copy() may be cancelled prematurely on
ctx.Cancel().

Change-Id: I1c3dc325cf3a02b0475a4a878ef251076b1f681c