From: Uli Luckas <u.luckas@road.de>
To: linux-pm@lists.linux-foundation.org
Cc: swetland@google.com
Subject: Re: [PATCH 06/11] PM: Add user-space wake lock api.
Date: Fri, 30 Jan 2009 13:43:08 +0100 [thread overview]
Message-ID: <200901301343.08604.u.luckas@road.de> (raw)
In-Reply-To: <1231896476-22445-7-git-send-email-arve@android.com>
On Wednesday, 14. January 2009, Arve Hjønnevåg wrote:
> This adds /sys/power/wake_lock and /sys/power/wake_unlock.
> Writing a string to wake_lock creates a wake lock the
> first time is sees a string and locks it. Optionally, the
> string can be followed by a timeout.
> To unlock the wake lock, write the same string to wake_unlock.
What happens if a process takes a lock and then dies?
Instead of using sysfs, how about using a device for this purpose which the
caller has to keep open as long as they want to hold the lock.
Uli
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next prev parent reply other threads:[~2009-01-30 12:43 UTC|newest]
Thread overview: 87+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-14 1:27 [RFC][PATCH 00/11] Android PM extensions Arve Hjønnevåg
2009-01-14 1:27 ` [PATCH 01/11] PM: Add wake lock api Arve Hjønnevåg
2009-01-14 1:27 ` [PATCH 02/11] PM: Add early suspend api Arve Hjønnevåg
2009-01-14 1:27 ` [PATCH 03/11] PM: Implement wakelock api Arve Hjønnevåg
2009-01-14 1:27 ` [PATCH 04/11] PM: Implement early suspend api Arve Hjønnevåg
2009-01-14 1:27 ` [PATCH 05/11] PM: Enable early suspend through /sys/power/state Arve Hjønnevåg
2009-01-14 1:27 ` [PATCH 06/11] PM: Add user-space wake lock api Arve Hjønnevåg
2009-01-14 1:27 ` [PATCH 07/11] PM: wakelock: Abort task freezing if a wake lock is held Arve Hjønnevåg
2009-01-14 1:27 ` [PATCH 08/11] PM: earlysuspend: Add console switch when user requested sleep state changes Arve Hjønnevåg
2009-01-14 1:27 ` [PATCH 09/11] PM: earlysuspend: Removing dependence on console Arve Hjønnevåg
2009-01-14 1:27 ` [PATCH 10/11] Input: Hold wake lock while event queue is not empty Arve Hjønnevåg
2009-01-14 1:27 ` [PATCH 11/11] ledtrig-sleep: Add led trigger for sleep debugging Arve Hjønnevåg
2009-01-30 12:43 ` Uli Luckas [this message]
2009-01-31 0:17 ` [PATCH 06/11] PM: Add user-space wake lock api Arve Hjønnevåg
2009-01-31 7:24 ` Brian Swetland
2009-01-28 19:34 ` [PATCH 05/11] PM: Enable early suspend through /sys/power/state Pavel Machek
2009-01-31 3:13 ` Arve Hjønnevåg
2009-01-31 15:49 ` Alan Stern
2009-02-02 11:44 ` Pavel Machek
2009-02-02 11:45 ` Pavel Machek
2009-02-02 22:36 ` Arve Hjønnevåg
2009-01-14 9:48 ` [PATCH 04/11] PM: Implement early suspend api Nigel Cunningham
2009-01-14 23:57 ` Arve Hjønnevåg
2009-01-14 9:30 ` [PATCH 03/11] PM: Implement wakelock api Nigel Cunningham
2009-01-14 23:28 ` Arve Hjønnevåg
2009-01-14 9:17 ` [PATCH 02/11] PM: Add early suspend api Nigel Cunningham
2009-01-14 23:18 ` Arve Hjønnevåg
2009-01-14 9:09 ` [PATCH 01/11] PM: Add wake lock api Nigel Cunningham
2009-01-14 23:07 ` Arve Hjønnevåg
2009-01-14 9:01 ` [RFC][PATCH 00/11] Android PM extensions Nigel Cunningham
2009-01-15 0:10 ` Arve Hjønnevåg
2009-01-15 4:42 ` Arve Hjønnevåg
2009-01-15 15:08 ` Alan Stern
2009-01-15 20:34 ` Arve Hjønnevåg
2009-01-29 13:04 ` Pavel Machek
2009-01-30 1:16 ` Arve Hjønnevåg
2009-01-30 3:27 ` Alan Stern
2009-01-30 4:40 ` Arve Hjønnevåg
2009-01-30 6:04 ` Arve Hjønnevåg
2009-02-02 11:49 ` Pavel Machek
2009-01-30 9:11 ` Pavel Machek
2009-01-30 12:34 ` Uli Luckas
2009-02-02 11:46 ` Pavel Machek
2009-01-30 15:13 ` Alan Stern
2009-01-31 0:02 ` Arve Hjønnevåg
2009-01-31 16:19 ` Alan Stern
2009-01-31 23:28 ` Arve Hjønnevåg
2009-02-02 10:42 ` Uli Luckas
2009-02-02 15:05 ` Alan Stern
2009-02-02 16:15 ` Uli Luckas
2009-02-02 16:35 ` Alan Stern
2009-02-03 20:15 ` Pavel Machek
2009-01-31 7:47 ` Brian Swetland
2009-01-31 15:41 ` Alan Stern
2009-01-31 18:39 ` Rafael J. Wysocki
2009-01-31 18:54 ` Igor Stoppa
2009-02-01 1:04 ` Arve Hjønnevåg
2009-02-02 11:55 ` Pavel Machek
2009-01-31 22:41 ` Arve Hjønnevåg
2009-01-31 23:20 ` Rafael J. Wysocki
2009-01-31 23:32 ` Arve Hjønnevåg
2009-02-01 0:18 ` Rafael J. Wysocki
2009-02-01 1:17 ` Arve Hjønnevåg
2009-02-01 1:32 ` Rafael J. Wysocki
2009-02-01 2:14 ` Arve Hjønnevåg
2009-02-01 12:30 ` Rafael J. Wysocki
2009-02-01 14:03 ` Woodruff, Richard
2009-02-01 17:43 ` Alan Stern
2009-02-01 19:27 ` Woodruff, Richard
2009-02-02 11:00 ` Uli Luckas
2009-02-02 15:09 ` Alan Stern
2009-02-02 16:24 ` Uli Luckas
2009-02-02 21:47 ` Nigel Cunningham
2009-02-02 23:21 ` Arve Hjønnevåg
2009-02-02 23:51 ` Nigel Cunningham
2009-02-03 0:08 ` Arve Hjønnevåg
2009-02-04 13:25 ` Pavel Machek
2009-02-02 23:10 ` Arve Hjønnevåg
2009-02-03 3:27 ` Alan Stern
2009-02-03 4:18 ` Arve Hjønnevåg
2009-02-03 20:30 ` Alan Stern
2009-02-04 13:29 ` Pavel Machek
2009-02-02 11:56 ` Pavel Machek
2009-02-02 12:38 ` Uli Luckas
2009-01-30 9:08 ` Pavel Machek
2009-01-30 9:25 ` Brian Swetland
2009-01-28 19:31 ` Pavel Machek
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