[CRIU] Process receive -EINTR on epoll_wait() after restore

[Stanislav Kinsburskiy]

Good day,

While debugging issues with systemd and AutoFS, I found, that attached 
program receive -EINTR after restore from epoll_wait() system call.
Unfortunately, without AutoFS restore support in CRIU, it can't be used 
as a reproducer. But the result if 100% reproducible (on each 
suspend/restore).
However, I suspect , that receiving -EINTR is not something I should 
expect. Is it true?
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