Module Name: src
Committed By: yamt
Date: Mon Oct 24 07:30:29 UTC 2011
Modified Files:
src/share/man/man9: cpu_need_resched.9
Log Message:
- document RESCHED_KPREEMPT
- "Specifically" -> "Typically" in the paragraph which says what this
function can do, because they are merely examples.
To generate a diff of this commit:
cvs rdiff -u -r1.8 -r1.9 src/share/man/man9/cpu_need_resched.9
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/share/man/man9/cpu_need_resched.9
diff -u src/share/man/man9/cpu_need_resched.9:1.8 src/share/man/man9/cpu_need_resched.9:1.9
--- src/share/man/man9/cpu_need_resched.9:1.8 Sat Jul 31 02:12:20 2010
+++ src/share/man/man9/cpu_need_resched.9 Mon Oct 24 07:30:29 2011
@@ -1,4 +1,4 @@
-.\" $NetBSD: cpu_need_resched.9,v 1.8 2010/07/31 02:12:20 jruoho Exp $
+.\" $NetBSD: cpu_need_resched.9,v 1.9 2011/10/24 07:30:29 yamt Exp $
.\"
.\" Copyright (c) 2002 The NetBSD Foundation, Inc.
.\" All rights reserved.
@@ -49,6 +49,17 @@ This event may occur if a higher priorit
queue or if the current LWP has exceeded its time slice.
.Pp
If
+.Dv RESCHED_KPREEMPT
+flag is specified in
+.Fa flags
+and
+.Dv __HAVE_PREEMPTION
+C pre-processor macro is defined in
+.In machine/intr.h ,
+machine-dependent code should make a context switch happen as soon as possible
+even if the cpu is running the kernel code.
+.Pp
+If
.Dv RESCHED_IMMED
flag is specified in
.Fa flags ,
@@ -60,7 +71,7 @@ is not the current processor,
typically issues an inter processor call to the processor to make it
notice the need of a context switch as soon as possible.
.Pp
-Specifically, the
+Typically, the
.Fn cpu_need_resched
function will perform the following operations:
.Bl -bullet -offset indent
