On Aug 7, 2009, at 4:33 PM, Ryan Schmidt wrote:
On Aug 7, 2009, at 13:43, Scott Haneda wrote:
Before I jump over to the launchd mailing list, I wanted to see if
anyone knew a way to detect a Mac going into sleep mode or waking
from sleep mode.
[snip]
I'm aware of sleepwatcher, which seems to work semi ubreliably, so
I am looking for an alternative.
Oh. This is the first I've heard of it being unreliable. What have
you observed?
First, it was just reading the comments on Version Tracker, which I
sort of take with a gain of salt anyway, but it got me in the mind to
at least pay attention.
I made a very simply test case, which was to install, and I am using
the Startup Item with it, but I also have tested with ./sleepwatcher -
d as well. I put in ~/.sleep and ~/.wakeup. In each of those files,
I have very basic code:
#!/bin/bash
date=`date`
echo "$date Clearing out ssh-agent because we are sleeping" >> ~/
Library/Logs/sleepwatcher.log;
launchctl stop org.openbsd.ssh-agent
While the launchd may error, and cause issues, I do not think that is
the case, the basic echo line should not cause any issues. My .wakeup
is identical other than I change "...sleeping" to "...waking"
I performed 10 total sleep and wake cycles, I ended up with only 18
lines total. So 8 sleep and 8 wake log lines were made. I believe it
is reliable in that if it works, it will work both on the sleep and
wake side of the equation. My experience shows a balance in the log
lines, half are wake, half are sleep.
My only guess is that if you sleep/wake too soon, there may be some
confusion, perhaps the sleep did not fully enact, though that is just
a guess.
I will look into, and do my best to solve this, though first, I need
to solve the ssh-agent issues, or I will not even need to use this
application. I think the first thing I will do when I get ssh-agent
playing nice, is to convert the startup item to a launchd item.
--
Scott * If you contact me off list replace talklists@ with scott@ *
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