Date: Tue, 15 Dec 1998 22:31:43 -0700 From: Warner Losh <imp@village.org> To: wcp@lpds.sublink.org Cc: hackers@FreeBSD.ORG Subject: Re: Auto power off for poor people Message-ID: <199812160531.WAA09345@harmony.village.org> In-Reply-To: Your message of "Tue, 15 Dec 1998 19:17:18 %2B0100." <13942.39950.631562.882793@luppolo.lpds.sublink.org> References: <13942.39950.631562.882793@luppolo.lpds.sublink.org>
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In message <13942.39950.631562.882793@luppolo.lpds.sublink.org> "Walter C. Pelissero" writes: : Since I think it might be of general interest (I saw a few requests in : freebsd-questions), here are the patches I made to a 2.2.7 system to : get the power-off-on-shutdown feature. I think that Mike Smith has already implemented this. : While at this. It would be nice to have a shutdown on power-off : switch in FreeBSD 3.0. Judging from the switch block in : apm_processevent() function it seems there is not even an hook for a : daemon doing this kind of job. PMEV_POWERSTATECHANGE is ignored. Am : I wrong? FreeBSD power management is in the kernel. There are no provisions for having a daemon control this. I'd like there to be either a loadable module that copes, or a userland daemon with an expansion of the apm interface. I have a kludge shell script somewhere that is a proof of concept for a battery daemon for my Libretto so I could suspend it when idle and the machine is plugged in and the battery charge isn't 100%. It would sleep for 2x 100 - the percentage of battery minutes and then wake up again. My Libretto 50 doesn't charge while on.... However, the script is a total kludge and I'd rather have some simple tcl driven (or perl drive, I don't care which scripting language) powerd that would allow me to do things like this. Warner To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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