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Line 33:
Line 33: − +
→memfd
FIXME how
FIXME how
HOW: The memfd in question is created in the task with lowest PID among those having this shmem segment
HOW: The memfd in question is created in the task with lowest PID (see [[postulates]]) among those having this shmem segment
mapped, then criu waits for the others to get this file by opening the creator's /proc/pid/fd/ link.
mapped, then criu waits for the others to get this file by opening the creator's /proc/pid/fd/ link.
Afterwards all the files just mmap() this descriptor into their address space.
Afterwards all the files just mmap() this descriptor into their address space.