also sprach Erich Schubert <[EMAIL PROTECTED]> [2005.08.29.0244 +0200]: > 4. shared memory and sysv semaphores, or sysv messages > Drawbacks: > - difficult semantics, signalling? > Pro: > - portable to BSD? (can anyone verify?)
IPC? also sprach a-aa <[EMAIL PROTECTED]> [2005.08.29.1340 +0200]: > You can use /dev, which means it's accessable from very early in > the boot, initng does this and it works well. Also, are we sure > this needs a writable filesystem? I think if the socket exists it > might not, I can't really remember ;) I think it would be a bug if you can write to a socket on an r/o filesystem. also sprach Erich Schubert <[EMAIL PROTECTED]> [2005.08.29.1401 +0200]: > That only works with FIFOs IIRC - sockets will disappear when > closed, so they only live for the runtime of the program. I don't > know if they'll actually get a node on the disk. No, they do not. They disappear when closed. also sprach Erich Schubert <[EMAIL PROTECTED]> [2005.08.29.1704 +0200]: > write "montior stdout,stderr" to the "toinit" fd, then read on "frominit"? What does the daemon read from init in monitor mode? init receives stdout,stderr anyway. Plugins can subscribe to those streams, per daemon or as a whole. Then a plugin would handle simple status output to the console, another could handle LSB output, a third could handle a splashscreen. I quite like the idea of using FDs for this. also sprach Erich Schubert <[EMAIL PROTECTED]> [2005.08.29.1647 +0200]: > What if it changes after the start of udev, with nothing else starting > inbetween? > It then would e.g. wait for a new start command, but can't recieve it > due to the hidden socket? I think it would work. If it aquired the filehandle, it will still hold it even if udev now "obscures" the hierarchy. For the same reason that all processes can still use files even after you unlink() them. also sprach Sven Mueller <[EMAIL PROTECTED]> [2005.08.29.2129 +0200]: > To each his own. I would not forget about "runlevels" (I currently don't > have a better name for it, perhaps "states" or "(service) collections"?) profiles :) -- .''`. martin f. krafft <[EMAIL PROTECTED]> : :' : proud Debian developer and author: http://debiansystem.info `. `'` `- Debian - when you have better things to do than fixing a system Invalid/expired PGP (sub)keys? Use subkeys.pgp.net as keyserver! "m.c.s.e": minesweeper consultant & solitaire expert
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