<<On Sat, 30 Aug 2003 12:23:35 -0400 (EDT), Robert Watson <[EMAIL PROTECTED]> said:
> The only way to close this sort of race is to have a notion of a > unique process identifier that lasts beyond the lifetime of the > process itself -- i.e., the ability to return EMYSINCERESTREGRESTS > if you try to signal a process after it has died, and have a > guarantee that the handle won't be reused. This is traditionally done by holding an advisory lock on the pid file; if the file is no longer locked, then the process holding the lock must have exited. You could also do it with UUIDs and a more heavyweight signal API. -GAWollman _______________________________________________ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "[EMAIL PROTECTED]"
