Phil Estes 5e9f05d546 Add synchronization and closure to IO pipes in userns path ...

The execdriver pipes setup uses OS pipes with fds so that they can be
chown'ed to the remapped root user for proper access. Recent flakiness
in certain short-lived tests (usually via the "exec" path) reveals that
the copy routines are not completing before exit/tear-down.

This fix adds synchronization and proper closure such that these
routines exit successfully.

Docker-DCO-1.1-Signed-off-by: Phil Estes <estesp@linux.vnet.ibm.com> (github: estesp)
Upstream-commit: 995386735c2fe47ebb144f95adbc8eb1341ac48b
Component: engine

2016-02-26 13:47:34 -05:00

components/engine

Add synchronization and closure to IO pipes in userns path

2016-02-26 13:47:34 -05:00

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