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deb-mbse/html/misc/semafore.html
2001-10-22 17:33:55 +00:00

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<META name="author" lang="en" content="Michiel Broek">
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<META name="description" lang="en" content="MBSE BBS Manual">
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<TITLE>Semafore files with MBSE BBS.</TITLE>
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<h5>Last update 27-jul-2001</h5>
<P>&nbsp;<P>
<H1>Semafore files with MBSE BBS.</H1>
The directory $MBSE_ROOT/sema is the hardcoded semafore directory where all
semafore's must be created, tested and removed. When the system is booting,
the init script will erase all semafore's just before the BBS is started.
This description is valid from MBSE BBS v0.33.18 and newer.
<PRE>
zmh Purpose: to mark the state of Zone Mail Hour.
Created by "mbtask" at the start of Zone Mail Hour.
Removed by "mbtask" at the end of Zone Mail Hour.
upsalarm Purpose: Signal that the system is running on battery power.
Created and removed by UPS software.
Checked by mbtask to suspend processing.
Checked by mbfido to stop processing.
upsdown Purpose: Signal that the system will go down on low battery.
Created and removed by UPS software.
Checked by mbtask to go down.
Checked by several scripts and "mbstat wait".
newnews Purpose: Signal that there are new articles on the news server.
Checked by mbtask to start news processing.
Removed by mbtask as soon as it is detected.
mailout Purpose: Signal that there is mail posted in the message base.
Checked by mbtask to start scan the message base.
Removed by mbtask as soon as it is detected.
mailin Purpose: Signal that there is new mail in the inbound.
Checked by mbtask to start the tosser.
Removed by mbtask as soon as it is detected.
scanout Purpose: Signal that the outbound must be rescanned.
Checked by mbtask to check the outbound.
Removed by mbtask as soon as it is detected.
mbtask.last Purpose: A timestamp created and touched by "mbtask" every
minute so you can check it is running.
</PRE>
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