From: "Russ Cox" <rsc@plan9.bell-labs.com>
To: 9fans@cse.psu.edu
Subject: Re: [9fans] sleep(), sched() and ilock()
Date: Thu, 9 Nov 2000 21:11:32 -0500 [thread overview]
Message-ID: <20001110023525.CC1E7199E4@mail.cse.psu.edu> (raw)
You never do anything that would schedule
or sleep when you hold an ilock.
Second, the ilock sets the processor splhi,
so you won't get interrupted.
Thus iunlock always happens on the ilock
processor.
Russ
next reply other threads:[~2000-11-10 2:11 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-11-10 2:11 Russ Cox [this message]
2000-11-10 9:17 ` Boyd Roberts
2000-09-20 5:27 ` Jakub Jermar
-- strict thread matches above, loose matches on Subject: below --
2000-11-10 13:06 presotto
2000-09-20 9:22 ` Jakub Jermar
2000-11-09 21:15 presotto
2000-09-20 4:35 ` Jakub Jermar
2000-09-20 2:40 Jakub Jermář
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