Simon McVittie cb47d83b72 run: Add option to share /dev/shm between instances of an app-ID ...

Similar to /tmp, applications might well use /dev/shm as an IPC
rendezvous between instances, which wouldn't have worked without
--device=shm until now.

Because /dev/shm has specific characteristics (in particular it's
meant to always be a tmpfs), we offload the actual storage into a
subdirectory of the real /dev/shm. Because /dev/shm is a shared
directory between all uids, we have to be extra-careful how we
do this, which is why the test coverage here is important.

This is done on an opt-in basis because of its extra complexity.

Signed-off-by: Simon McVittie <smcv@collabora.com>

2021-04-16 08:57:20 +02:00

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run: Add option to share /dev/shm between instances of an app-ID

2021-04-16 08:57:20 +02:00

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