On Thu, 22 Sep 2005 12:18:04 +0100 Dave wrote:
DS> On Thu, 2005-09-22 at 18:36 +0800, Jim Su wrote:
DS> > I want the process to be executed exactly on the
DS> > 0, 5, 10, 15 .. 55 minutes on the hour.
DS>
DS> In the 'init_ABCTable' routine, calculate how long
DS> until the next 5-minute mark, and register a one-off
DS> alarm to fire then. That will trigger an alarm
DS> callback routine 'init_ABCData' which should:
DS>
DS> a) initialise the list data, and
DS> b) register a repeating alarm to call a
DS> different callback routine ('load_ABCData')
DS>
DS> This second routine should then be invoked on
DS> the 5-minute marks, as required.
I'm not sure this will work. Looking at the code, it looks like it will run
every 5 minutes from the last time it was run. Thus, each time the agent is
busy when the timer expires, it will drift a little. Eventually, this will add
up. Instead of using the SA_REPEAT, you may want to have the callback function
calculate the time til the next 5 minute mark and reschedule itself. A little
more overhead, but it won't drift.
--
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Robert Story; NET-SNMP Junkie
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You are lost in a twisty maze of little standards, all different.
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