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update.

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yamt 2007-04-18 12:19:45 +00:00
parent 2c410c0431
commit 483db2967f
1 changed files with 12 additions and 8 deletions
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20
share/man/man9/cpu_switchto.9
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@ -1,4 +1,4 @@
.\" $NetBSD: cpu_switchto.9,v 1.4 2007/03/20 11:11:51 yamt Exp $
.\" $NetBSD: cpu_switchto.9,v 1.5 2007/04/18 12:19:45 yamt Exp $
.\"
.\" Copyright (c)2007 YAMAMOTO Takashi,
.\" All rights reserved.
@ -25,7 +25,7 @@
.\" SUCH DAMAGE.
.\"
.\" ------------------------------------------------------------
.Dd March 20, 2007
.Dd April 18, 2007
.Dt CPU_SWITCHTO 9
.Os
.\" ------------------------------------------------------------
@ -50,16 +50,20 @@ and restores the context of the LWP specified by
doesn't switch address spaces.
.Pp
.Fn cpu_switchto
doesn't modify or use
sets
.Dv curlwp
or
.Dv curproc .
to
.Fa newlwp .
.Pp
.Fn cpu_switchto
is called with spin mutexes held.
However, implementations of
should be called at
.Dv IPL_SCHED .
When
.Fn cpu_switchto
should not rely on it.
returns, the caller should lower the priority level as soon as possible.
.Pp
.Fn cpu_switchto
might be called with spin mutexes held.
.Pp
It takes the following arguments.
.Bl -tag -width oldlwp