CVS commit: src/sys/dev/sysmon

[Paul Goyette <pgoyette%netbsd.org@localhost>]

Module Name:    src
Committed By:   pgoyette
Date:           Thu Apr  1 12:16:14 UTC 2010

Modified Files:
        src/sys/dev/sysmon: sysmon_envsys.c sysmon_envsys_events.c
            sysmon_envsysvar.h sysmonvar.h

Log Message:
Permit creation of an event-monitor for alarm limits even if the limits
are not currently set (and, in case of battery capacity sensors, if there
is no value_max).  Ensure that such an event-monitor does not trigger the
delivery of any actual events.

Provide a mechanism for sensors to set their limits at time other than
system startup (for example, when a battery is inserted).

This allows us to boot a system with a battery missing, install the
battery some time later, and automatically monitor it without requiring
any user intervention to create the event-monitor.  (The actual changes
for battery sensors to use this new capability will come later.)


To generate a diff of this commit:
cvs rdiff -u -r1.103 -r1.104 src/sys/dev/sysmon/sysmon_envsys.c
cvs rdiff -u -r1.90 -r1.91 src/sys/dev/sysmon/sysmon_envsys_events.c
cvs rdiff -u -r1.34 -r1.35 src/sys/dev/sysmon/sysmon_envsysvar.h
cvs rdiff -u -r1.37 -r1.38 src/sys/dev/sysmon/sysmonvar.h

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.