Re: [pm] fix time after suspend-to-*

[Pavel Machek]

Hi!

> Stephen> On Tue, 28 Oct 2003 10:32:33 +0100 Pavel Machek
> Stephen> <pavel@xxxxxxx> wrote:
> Stephen> We could invent a new signal whose default action is ignore
> Stephen> ... Solaris has SIGFREEZE and SIGTHAW (the comment in the
> Stephen> header file says used by CPR - whatever that is).  SIGSUSPEND
> Stephen> and SIGRESUME?
> 
> CPR -- checkpoint/restart
> 
> POSIX said to use SIGCKPT and SIGCONT (in at least *one* of the draft
> 1003.1m standards -- I've lost access to them recently, and the
> working group stopped working back in 2000)
> 
> Suspend/resume is essentially a system-wide checkpoint+restart.
> 
> Maybe use SIGCKPT and SIGCONT?  Or even SIGSTOP and SIGCONT (after
> all, you're stopping the process, then restarting it)

SIGSTOP/SIGCONT is non-starter; too many apps have problem with that.

I guess Patrick's /sbin/hotplug solution is best; implement it as
kill -SIGSTOP -1 if you want to.
								Pavel
-- 
When do you have a heart between your knees?
[Johanka's followup: and *two* hearts?]
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