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=== Add support for pidfd file descriptors ===
−'''Summary:''' Support C/R of pidfd descriptors
−There is pidfd_open syscall which allows opening
−a special PID file descriptor. A user can send a signal to
−the process (pidfd_send_signal syscall), wait for the process
−(poll() on pidfd).
−At the moment CRIU can't dump processes that have pidfd's opened.
−'''Links:'''
−* https://lwn.net/Articles/801319/
−* https://lwn.net/Articles/794707/
−* https://github.com/torvalds/linux/blob/v5.16/kernel/fork.c#L1877
−
−'''Details:'''
−* Skill level: intermediate
−* Language: C
−* Expected size: 350 hours
−* Mentors: Alexander Mikhalitsyn <alexander@mihalicyn.com>, Christian Brauner <christian@brauner.io>
−* Suggested by: Alexander Mikhalitsyn <alexander@mihalicyn.com>
* Expected size: 350 hours
* Expected size: 350 hours
* Mentors: Alexander Mikhalitsyn <alexander@mihalicyn.com>, Pavel Tikhomirov <ptikhomirov@virtuozzo.com>, Andrei Vagin <avagin@gmail.com>
* Mentors: Alexander Mikhalitsyn <alexander@mihalicyn.com>, Pavel Tikhomirov <ptikhomirov@virtuozzo.com>, Andrei Vagin <avagin@gmail.com>
−=== Use eBPF to lock and unlock the network ===
=== Use eBPF to lock and unlock the network ===