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From: Pavel Machek <pavel@suse.cz>
To: Felipe Alfaro Solana <felipe_alfaro@linuxmail.org>
Cc: Patrick Mochel <mochel@osdl.org>,
	George Anzinger <george@mvista.com>, Pavel Machek <pavel@suse.cz>,
	John stultz <johnstul@us.ibm.com>,
	kernel list <linux-kernel@vger.kernel.org>
Subject: Re: [pm] fix time after suspend-to-*
Date: Tue, 28 Oct 2003 10:32:33 +0100	[thread overview]
Message-ID: <20031028093233.GA1253@elf.ucw.cz> (raw)
In-Reply-To: <1067329994.861.3.camel@teapot.felipe-alfaro.com>

Hi!

> > Userspace behavior on suspend transitions is still a bit fuzzy at best. I 
> > am beginning to look at userspace requirements, so if anyone wants to send 
> > me suggestions, no matter how trivial or wacky, please feel free (on- or 
> > off-list). 
> 
> Many userspace applications are not prepared for suspension, like
> Evolution. When suspending the machine for a long time, all IMAP
> sessions are broken as their counterpart TCP sockets timeout. While
> resuming, Evolution is unable to handle this condition and simply
> informs the network connection has been dropped.
> 
> What about sending the SIGPWR signal to all userspace processes before
> suspending so applications like Evolution can be improved to handle this
> signal, drop their IMAP connections and then, when resuming, reestablish
> them?

Not sure... We do not want applications to know. Certainly we can't
send a signal; SIGPWR already has some meaning and it would be bad to
override it.
								Pavel
-- 
When do you have a heart between your knees?
[Johanka's followup: and *two* hearts?]

  reply	other threads:[~2003-10-28  9:32 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-10-22 23:33 Pavel Machek
2003-10-22 23:52 ` john stultz
2003-10-23  8:17   ` Pavel Machek
2003-10-23 20:23     ` George Anzinger
2003-10-23 20:55       ` john stultz
2003-10-23 23:09         ` George Anzinger
2003-10-23 23:38           ` Pavel Machek
2003-10-24  0:29           ` john stultz
2003-10-24  0:39             ` john stultz
2003-10-24  2:10             ` George Anzinger
2003-10-24  7:48               ` Pavel Machek
2003-10-27 23:24                 ` George Anzinger
2003-10-27 23:43                   ` Patrick Mochel
2003-10-28  1:35                     ` Nigel Cunningham
2003-10-28  8:33                     ` Felipe Alfaro Solana
2003-10-28  9:32                       ` Pavel Machek [this message]
2003-10-28 11:41                         ` Stephen Rothwell
2003-10-28 12:29                           ` Pavel Machek
2003-10-28 12:39                             ` Stephen Rothwell
2003-10-28 22:23                           ` Peter Chubb
2003-10-29  2:24                             ` Valdis.Kletnieks
2003-10-29  9:43                             ` Pavel Machek
2003-10-28 14:30                         ` Felipe Alfaro Solana
2003-10-28 17:28                           ` Pavel Machek
2003-10-28 20:16                             ` Felipe Alfaro Solana
2003-10-28 21:13                               ` Andreas Schwab
2003-10-28 21:29                               ` George Anzinger
2003-10-29  9:38                               ` Pavel Machek
2003-10-29 11:28                                 ` Gabriel Paubert
2003-10-29 11:55                                   ` PCI Bus error 6290 or 0290 Remus
2003-10-29 12:40                                     ` Meelis Roos
2003-10-29 12:49                                       ` Remus
2003-10-29 20:42                                 ` [pm] fix time after suspend-to-* George Anzinger
2003-10-30  9:02                                   ` Pavel Machek
2003-10-28 15:21                         ` Valdis.Kletnieks
2003-10-28 17:26                           ` Pavel Machek
2003-10-28 18:20                       ` Patrick Mochel
2003-10-28 19:36                         ` Valdis.Kletnieks
2003-10-28 20:19                         ` Felipe Alfaro Solana
2003-10-24  7:49             ` Pavel Machek
2003-10-23 23:40       ` Pavel Machek
2003-10-27 22:43         ` Patrick Mochel
2003-10-22 23:57 ` Måns Rullgård
2003-10-29  8:20 Mathias Fröhlich

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