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I have no idea who's the best to ask for this.
I want to start a task in an initrd and have it stay running after init
is started. Pretty much:
- kernel boot
- initrd loaded
- linuxrc executes
- /bin/mydaemon runs
- mount rootfs
- pivot_root
- exec /sbin/init (PID=1; linuxrc and sh is replaced)
- mydaemon keeps running, reparented under init, uninterrupted
What's the feasibility of this without the system balking and vomiting
chunks everywhere? I'm pretty sure 'exec /sbin/init' from linuxrc
(PID=1) will replace the process image of sh (linuxrc) with init,
keeping PID=1; but I'm worried this may terminate children too. Haven't
tried.
(this actually has a useful application)
- --
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Public Domain, unless otherwise explicitly stated.
Creative brains are a valuable, limited resource. They shouldn't be
wasted on re-inventing the wheel when there are so many fascinating
new problems waiting out there.
-- Eric Steven Raymond
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