Date: Mon, 22 Feb 1999 02:30:50 +1100 From: Bruce Evans <bde@zeta.org.au> To: bde@zeta.org.au, green@unixhelp.org Cc: current@FreeBSD.ORG Subject: Re: one SysV bug/fix, how many more Message-ID: <199902211530.CAA15265@godzilla.zeta.org.au>
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>> spl is for blocking interrupts. Process-related things shouldn't be and >> mostly aren't touched by interrupts. >But without an spl, couldn't multiple processes do Very Bad Things in a >partially shared proc context? They can do that with or without an spl if they don't lock things properly spl can give improper giant locking as a side effect, but it doesn't necessarily prevent other processes running, since tsleep() isn't locked by spls. Bruce To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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