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[src/trunk]: src/share/man/man9 Refer to cpu_switchto(9) instead of nonexiste...
details: https://anonhg.NetBSD.org/src/rev/fe57bd9db2e3
branches: trunk
changeset: 753936:fe57bd9db2e3
user: jruoho <jruoho%NetBSD.org@localhost>
date: Wed Apr 14 09:34:35 2010 +0000
description:
Refer to cpu_switchto(9) instead of nonexistent cpu_switch(9).
In addition, small markup changes.
diffstat:
share/man/man9/ras.9 | 34 ++++++++++++++++++++--------------
1 files changed, 20 insertions(+), 14 deletions(-)
diffs (80 lines):
diff -r 7585e563314f -r fe57bd9db2e3 share/man/man9/ras.9
--- a/share/man/man9/ras.9 Wed Apr 14 09:10:30 2010 +0000
+++ b/share/man/man9/ras.9 Wed Apr 14 09:34:35 2010 +0000
@@ -1,4 +1,4 @@
-.\" $NetBSD: ras.9,v 1.10 2008/04/30 13:10:58 martin Exp $
+.\" $NetBSD: ras.9,v 1.11 2010/04/14 09:34:35 jruoho Exp $
.\"
.\" Copyright (c) 2002 The NetBSD Foundation, Inc.
.\" All rights reserved.
@@ -27,7 +27,7 @@
.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
.\" POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd August 12, 2002
+.Dd April 14, 2010
.Dt RAS 9
.Os
.Sh NAME
@@ -50,19 +50,22 @@
guaranteed to execute without preemption.
This property is assured by checking the set of restartable atomic
sequences registered for a process during
-.Xr cpu_switch 9 .
+.Xr cpu_switchto 9 .
If a process is found to have been preempted during a restartable
sequence, then its execution is rolled-back to the start of the
-sequence by resetting its program counter saved in its process control
-block (PCB).
+sequence by resetting its program counter saved in its process control block
+.Pq Tn PCB .
.Pp
-The RAS functionality is provided by a combination of the
+The
+.Tn RAS
+functionality is provided by a combination of the
machine-independent routines discussed in this page and
a machine-dependent component in
-.Xr cpu_switch 9 .
+.Xr cpu_switchto 9 .
A port which supports restartable atomic sequences will define
-__HAVE_RAS in
-.Pa machine/types.h
+.Dv __HAVE_RAS
+in
+.In machine/types.h
for machine-independent code to conditionally provide RAS support.
.Pp
A complicated side-effect of restartable atomic sequences is their
@@ -85,8 +88,11 @@
.Fa addr .
If the address
.Fa addr
-is found within a RAS, then the restart address of the RAS is
-returned, otherwise \-1 is returned.
+is found within a
+.Tn RAS ,
+then the restart address of the
+.Tn RAS
+is returned, otherwise \-1 is returned.
.It Fn ras_fork "p1" "p2"
This function is used to copy all registered restartable atomic
sequences for process
@@ -118,14 +124,14 @@
.Pa sys/kern/kern_ras.c .
Data structures and function prototypes for the framework are located
in
-.Pa sys/sys/ras.h .
+.In sys/sys/ras.h .
Machine-dependent portions are implemented within
-.Xr cpu_switch 9
+.Xr cpu_switchto 9
in the machine-dependent file
.Pa sys/arch/\*[Lt]arch\*[Gt]/\*[Lt]arch\*[Gt]/locore.S .
.Sh SEE ALSO
.Xr rasctl 2 ,
-.Xr cpu_switch 9 ,
+.Xr cpu_switchto 9 ,
.Xr fork1 9
.Sh HISTORY
The RAS functionality first appeared in
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