Hi,
I have been working with the new vloopback device which implements
non-standard asynchronous notification. It sends SIGIO signals to the
owner of /dev/video[0-9] everytime it needs attention, e.g. data has
arrived or configuration has changed. The standard way for this would be
the fasync file operation. Unfortunately the V4L videodev.c in 2.2.14
does not implement fasync. Therefore applications cannot control the
notification via fcntl :(
Is fasync implemented in 2.4 or are there plans to add this feature ?
Regards,
Marko
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