linux-kernel - [tip:timers/core] posix-timers: Add forward/remaining callbacks

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Message-ID: <tip-63841b2a6969501de183efafc14d20175e402804@git.kernel.org>
Date:   Mon, 5 Jun 2017 01:20:38 -0700
From:   tip-bot for Thomas Gleixner <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     hpa@...or.com, tglx@...utronix.de, linux-kernel@...r.kernel.org,
        peterz@...radead.org, john.stultz@...aro.org, mingo@...nel.org
Subject: [tip:timers/core] posix-timers: Add forward/remaining callbacks

Commit-ID:  63841b2a6969501de183efafc14d20175e402804
Gitweb:     http://git.kernel.org/tip/63841b2a6969501de183efafc14d20175e402804
Author:     Thomas Gleixner <tglx@...utronix.de>
AuthorDate: Tue, 30 May 2017 23:15:49 +0200
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Sun, 4 Jun 2017 15:40:27 +0200

posix-timers: Add forward/remaining callbacks

Add two callbacks to kclock which allow using common_)timer_get() for both
hrtimer and alarm timer based clocks.

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: John Stultz <john.stultz@...aro.org>
Link: http://lkml.kernel.org/r/20170530211657.044915536@linutronix.de

---
 kernel/time/posix-timers.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/kernel/time/posix-timers.h b/kernel/time/posix-timers.h
index 1f6f6f9..3bc5b74 100644
--- a/kernel/time/posix-timers.h
+++ b/kernel/time/posix-timers.h
@@ -19,6 +19,8 @@ struct k_clock {
 	void	(*timer_get)(struct k_itimer *timr,
 			     struct itimerspec64 *cur_setting);
 	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);
 };
 
 extern const struct k_clock clock_posix_cpu;