[src/trunk]: src Introduce new option APM_NO_POWER_PRINT which disables printing

[itohy <itohy%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/1c9cae51963f
branches:  trunk
changeset: 476186:1c9cae51963f
user:      itohy <itohy%NetBSD.org@localhost>
date:      Thu Sep 09 03:52:21 1999 +0000

description:
Introduce new option APM_NO_POWER_PRINT which disables printing
power status on the console (if apmd is absent).
Some systems generate APM_POWER_CHANGE events too frequently (more then
once per minute), and printing the status makes single user operations
rather difficult.

diffstat:

 share/man/man4/man4.i386/apm.4 |  7 ++++++-
 sys/arch/i386/conf/files.i386  |  3 ++-
 sys/arch/i386/i386/apm.c       |  4 +++-
 3 files changed, 11 insertions(+), 3 deletions(-)

diffs (63 lines):

diff -r bea57beee3ab -r 1c9cae51963f share/man/man4/man4.i386/apm.4
--- a/share/man/man4/man4.i386/apm.4    Thu Sep 09 01:36:30 1999 +0000
+++ b/share/man/man4/man4.i386/apm.4    Thu Sep 09 03:52:21 1999 +0000
@@ -24,7 +24,7 @@
 .\" ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 .\" POSSIBILITY OF SUCH DAMAGE.
 .\"   
-.\"   $NetBSD: apm.4,v 1.5 1999/04/15 01:01:17 jtk Exp $
+.\"   $NetBSD: apm.4,v 1.6 1999/09/09 03:52:22 itohy Exp $
 .\"
 .Dd May 18, 1996
 .Dt APM 4 i386
@@ -71,6 +71,11 @@
 Enable kernel printout of events received from the APM BIOS.
 .It Dv APMCALLDEBUG
 Enable kernel printout of every call to the APM BIOS (this is very noisy).
+.It Dv APM_NO_POWER_PRINT
+Do not print power state on console at
+.Dv APM_POWER_CHANGE
+events.  (Some systems generate the events too frequently,
+and printing the status may disturb single-user operations.)
 .El
 .Pp
 If no processes are holding open file descriptors to the APM device, the
diff -r bea57beee3ab -r 1c9cae51963f sys/arch/i386/conf/files.i386
--- a/sys/arch/i386/conf/files.i386     Thu Sep 09 01:36:30 1999 +0000
+++ b/sys/arch/i386/conf/files.i386     Thu Sep 09 03:52:21 1999 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: files.i386,v 1.137 1999/08/17 21:31:57 drochner Exp $
+#      $NetBSD: files.i386,v 1.138 1999/09/09 03:52:21 itohy Exp $
 #
 # new style config file for i386 architecture
 #
@@ -11,6 +11,7 @@
 # APM options
 defopt opt_apm.h APM_DISABLE APM_FORCE_64K_SEGMENTS APM_NO_IDLE
        APM_NO_STANDBY APM_V10_ONLY APM_NO_V12 APMDEBUG APMDEBUG_VALUE
+       APM_NO_POWER_PRINT
 
 # Processor type options.
 defopt opt_cputype.h I386_CPU I486_CPU I586_CPU I686_CPU
diff -r bea57beee3ab -r 1c9cae51963f sys/arch/i386/i386/apm.c
--- a/sys/arch/i386/i386/apm.c  Thu Sep 09 01:36:30 1999 +0000
+++ b/sys/arch/i386/i386/apm.c  Thu Sep 09 03:52:21 1999 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: apm.c,v 1.40 1999/08/17 19:04:24 drochner Exp $ */
+/*     $NetBSD: apm.c,v 1.41 1999/09/09 03:52:21 itohy Exp $ */
 
 /*-
  * Copyright (c) 1996, 1997 The NetBSD Foundation, Inc.
@@ -478,10 +478,12 @@
        case APM_POWER_CHANGE:
                DPRINTF(APMDEBUG_EVENTS, ("apmev: power status change\n"));
                error = apm_get_powstat(&nregs);
+#ifndef APM_NO_POWER_PRINT
                /* only print if nobody is catching events. */
                if (error == 0 &&
                    (sc->sc_flags & (SCFLAG_OREAD|SCFLAG_OWRITE)) == 0)
                        apm_power_print(sc, &nregs);
+#endif
                apm_record_event(sc, regs->BX);
                break;