local: Avoid keeping buffer FD opened at all times

analogdevicesinc / libiio

A cross platform library for interfacing with local and remote Linux IIO devices

http://analogdevicesinc.github.io/libiio/

GNU Lesser General Public License v2.1

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Closed pcercuei closed 8 months ago

pcercuei commented 8 months ago

The problem of leaving it opened at all times is that other instances of Libiio cannot be ran in parallel.

Fixes #1111.