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| author | Niklas Söderlund <niklas.soderlund@ragnatech.se> | 2019-04-14 02:53:35 +0200 |
|---|---|---|
| committer | Niklas Söderlund <niklas.soderlund@ragnatech.se> | 2019-05-17 20:35:09 +0200 |
| commit | 2e22ee4310d47bc76c9db0da1b6b48f12f032743 (patch) | |
| tree | 6e1a919fc97c51f45d5750d68e1636217862fb63 /test/v4l2_device | |
| parent | 1657291f5820713c0f1859f1e311fe47cfbcdc53 (diff) | |
libcamera: media_device: Add functions to lock device for other processes
Add lock() and unlock() which are backed by lockf() and allow an
instance of libcamera to claim exclusive access to a media device.
These functions are the base of allowing multiple user of libcamera to
coexist in the system without stepping on each other's toes.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Diffstat (limited to 'test/v4l2_device')
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