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[tip:timers/core] posix-timers: Add cancel/arm callbacks

From tip-bot for Thomas Gleixner <tipbot@zytor.com>
Newsgroups linux.kernel
Subject [tip:timers/core] posix-timers: Add cancel/arm callbacks
Date 2017-06-05 10:30 +0200
Message-ID <tOVyI-rf-57@gated-at.bofh.it> (permalink)
References <tMXbz-4e6-15@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Commit-ID:  525b8ed91671e29e187dfe02d408b11190ccf494
Gitweb:     http://git.kernel.org/tip/525b8ed91671e29e187dfe02d408b11190ccf494
Author:     Thomas Gleixner <tglx@linutronix.de>
AuthorDate: Tue, 30 May 2017 23:15:52 +0200
Committer:  Thomas Gleixner <tglx@linutronix.de>
CommitDate: Sun, 4 Jun 2017 15:40:28 +0200

posix-timers: Add cancel/arm callbacks

Add timer_try_to_cancel() and timer_arm() callbacks to kclock which allow
to make common_timer_set() usable by both hrtimer and alarmtimer based
clocks.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: John Stultz <john.stultz@linaro.org>
Link: http://lkml.kernel.org/r/20170530211657.278022962@linutronix.de

---
 kernel/time/posix-timers.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/kernel/time/posix-timers.h b/kernel/time/posix-timers.h
index 3bc5b74..b0ad77e 100644
--- a/kernel/time/posix-timers.h
+++ b/kernel/time/posix-timers.h
@@ -21,6 +21,9 @@ struct k_clock {
 	void	(*timer_rearm)(struct k_itimer *timr);
 	int	(*timer_forward)(struct k_itimer *timr, ktime_t now);
 	ktime_t	(*timer_remaining)(struct k_itimer *timr, ktime_t now);
+	int	(*timer_try_to_cancel)(struct k_itimer *timr);
+	void	(*timer_arm)(struct k_itimer *timr, ktime_t expires,
+			     bool absolute, bool sigev_none);
 };
 
 extern const struct k_clock clock_posix_cpu;

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[patch 00/26] alarmtimers/posixtimers: Bug fixes and spec conformity  changes Thomas Gleixner <tglx@linutronix.de> - 2017-05-30 23:50 +0200
  [patch 09/26] posix-timers: Unify overrun/requeue_pending handling Thomas Gleixner <tglx@linutronix.de> - 2017-05-30 23:50 +0200
    [tip:timers/core] posix-timers: Unify overrun/requeue_pending  handling tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-06-05 10:30 +0200
  [patch 19/26] posix-timers: Add cancel/arm callbacks Thomas Gleixner <tglx@linutronix.de> - 2017-05-30 23:50 +0200
    [tip:timers/core] posix-timers: Add cancel/arm callbacks tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-06-05 10:30 +0200
  [patch 11/26] posix-timers: Store k_clock pointer in k_itimer Thomas Gleixner <tglx@linutronix.de> - 2017-05-30 23:50 +0200
    [tip:timers/core] posix-timers: Store k_clock pointer in k_itimer tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-06-05 10:30 +0200
  [patch 24/26] alarmtimer: Implement try_to_cancel callback Thomas Gleixner <tglx@linutronix.de> - 2017-05-30 23:50 +0200
    [tip:timers/core] alarmtimer: Implement try_to_cancel callback tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-06-05 10:30 +0200
  [patch 08/26] posix-timers: Move posix-timer internals to core Thomas Gleixner <tglx@linutronix.de> - 2017-05-30 23:50 +0200
    Re: [patch 08/26] posix-timers: Move posix-timer internals to core Christoph Hellwig <hch@infradead.org> - 2017-05-31 17:40 +0200
    [tip:timers/core] posix-timers: Move posix-timer internals to core tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-06-05 10:20 +0200
  [patch 17/26] posix-timers: Make use of forward/remaining callbacks Thomas Gleixner <tglx@linutronix.de> - 2017-05-30 23:50 +0200
    [tip:timers/core] posix-timers: Make use of forward/remaining  callbacks tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-06-05 10:30 +0200
  [patch 07/26] posix-timers: Cleanup struct k_itimer Thomas Gleixner <tglx@linutronix.de> - 2017-05-30 23:50 +0200
    [tip:timers/core] posix-timers: Cleanup struct k_itimer tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-06-05 10:20 +0200
  [patch 02/26] alarmtimer: Rate limit periodic intervals Thomas Gleixner <tglx@linutronix.de> - 2017-05-30 23:50 +0200
    [tip:timers/urgent] alarmtimer: Rate limit periodic intervals tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-06-04 15:30 +0200
    [tip:timers/urgent] alarmtimer: Rate limit periodic intervals tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-06-04 15:40 +0200
  [patch 14/26] posix-timers: Use timer_rearm() callback in  posixtimer_rearm() Thomas Gleixner <tglx@linutronix.de> - 2017-05-30 23:50 +0200
    [tip:timers/core] posix-timers: Use timer_rearm() callback in  posixtimer_rearm() tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-06-05 10:30 +0200
  [patch 04/26] posix-timers: Remove unused export of  posix_timer_event() Thomas Gleixner <tglx@linutronix.de> - 2017-05-30 23:50 +0200
    [tip:timers/core] posix-timers: Remove unused export of  posix_timer_event() tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-06-05 10:20 +0200
  [patch 23/26] alarmtimer: Implement remaining callback Thomas Gleixner <tglx@linutronix.de> - 2017-05-30 23:50 +0200
    [tip:timers/core] alarmtimer: Implement remaining callback tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-06-05 10:30 +0200
  [patch 13/26] posix-timers: Rename do_schedule_next_timer Thomas Gleixner <tglx@linutronix.de> - 2017-05-30 23:50 +0200
    Re: [patch 13/26] posix-timers: Rename do_schedule_next_timer Christoph Hellwig <hch@infradead.org> - 2017-05-31 17:40 +0200
      Re: [patch 13/26] posix-timers: Rename do_schedule_next_timer Thomas Gleixner <tglx@linutronix.de> - 2017-06-01 23:00 +0200
        Re: [patch 13/26] posix-timers: Rename do_schedule_next_timer Christoph Hellwig <hch@infradead.org> - 2017-06-02 09:10 +0200
    [tip:timers/core] posix-timers: Rename do_schedule_next_timer tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-06-05 10:30 +0200
  [patch 22/26] alarmtimer: Implement forward callback Thomas Gleixner <tglx@linutronix.de> - 2017-05-30 23:50 +0200
    [tip:timers/core] alarmtimer: Implement forward callback tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-06-05 10:30 +0200
  [patch 03/26] alarmtimer: Remove pointless config conditional Thomas Gleixner <tglx@linutronix.de> - 2017-05-30 23:50 +0200
    [tip:timers/core] alarmtimer: Remove pointless config conditional tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-06-05 10:20 +0200
  [patch 26/26] alarmtimer: Switch over to generic set/get/rearm routine Thomas Gleixner <tglx@linutronix.de> - 2017-05-30 23:50 +0200
    [tip:timers/core] alarmtimer: Switch over to generic set/get/rearm  routine tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-06-05 10:30 +0200
  [patch 06/26] posix-timers: Avoid gazillions of forward declarations Thomas Gleixner <tglx@linutronix.de> - 2017-05-30 23:50 +0200
    [tip:timers/core] posix-timers: Avoid gazillions of forward  declarations tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-06-05 10:20 +0200
  [patch 12/26] posix-timers: Add timer_rearm() callback Thomas Gleixner <tglx@linutronix.de> - 2017-05-30 23:50 +0200
    [tip:timers/core] posix-timers: Add timer_rearm() callback tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-06-05 10:30 +0200
  [patch 01/26] alarmtimer: Prevent overflow of relative timers Thomas Gleixner <tglx@linutronix.de> - 2017-05-30 23:50 +0200
    [tip:timers/urgent] alarmtimer: Prevent overflow of relative timers tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-06-04 15:30 +0200
    [tip:timers/urgent] alarmtimer: Prevent overflow of relative timers tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-06-04 15:40 +0200
  [patch 15/26] posix-timers: Add active flag to k_itimer Thomas Gleixner <tglx@linutronix.de> - 2017-05-30 23:50 +0200
    [tip:timers/core] posix-timers: Add active flag to k_itimer tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-06-05 10:30 +0200
  [patch 16/26] posix-timers: Add forward/remaining callbacks Thomas Gleixner <tglx@linutronix.de> - 2017-05-30 23:50 +0200
    [tip:timers/core] posix-timers: Add forward/remaining callbacks tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-06-05 10:30 +0200
  [patch 25/26] alarmtimer: Implement arm callback Thomas Gleixner <tglx@linutronix.de> - 2017-05-30 23:50 +0200
    [tip:timers/core] alarmtimer: Implement arm callback tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-06-05 10:30 +0200
  [patch 21/26] alarmtimer: Implement timer_rearm() callback Thomas Gleixner <tglx@linutronix.de> - 2017-05-30 23:50 +0200
    [tip:timers/core] alarmtimer: Implement timer_rearm() callback tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-06-05 10:30 +0200
  [patch 10/26] posix-timers: Move interval out of the union Thomas Gleixner <tglx@linutronix.de> - 2017-05-30 23:50 +0200
    [tip:timers/core] posix-timers: Move interval out of the union tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-06-05 10:30 +0200
  [patch 20/26] posix-timers: Make use of cancel/arm callbacks Thomas Gleixner <tglx@linutronix.de> - 2017-05-30 23:50 +0200
    [tip:timers/core] posix-timers: Make use of cancel/arm callbacks tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-06-05 10:30 +0200
  [patch 18/26] posix-timers: Zero settings value in common code Thomas Gleixner <tglx@linutronix.de> - 2017-05-30 23:50 +0200
    [tip:timers/core] posix-timers: Zero settings value in common code tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-06-05 10:30 +0200

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