96 lines
2.0 KiB
C
96 lines
2.0 KiB
C
/*
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* \brief Implementation of linux/timer.h
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* \author Norman Feske
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* \date 2015-09-09
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*/
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/*
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* Copyright (C) 2015-2017 Genode Labs GmbH
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*
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* This file is distributed under the terms of the GNU General Public License
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* version 2.
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*/
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/* Linux kit includes */
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#include <lx_kit/timer.h>
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int mod_timer(struct timer_list *timer, unsigned long expires)
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{
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if (!Lx::timer().find(timer))
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Lx::timer().add(timer, Lx::Timer::LIST);
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return Lx::timer().schedule(timer, expires);
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}
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void timer_setup(struct timer_list *timer,
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void (*function)(struct timer_list *),
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unsigned int flags)
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{
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timer->function = function;
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timer->flags = flags;
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/*
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* For compatibility with 4.4.3 drivers, the 'data' member is passed as
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* argument to the callback function. Since the 4.16.3 callback function
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* interface has a 'timer_list' pointer as argument, the 'data' member
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* points to the 'timer_list' object itself when set up with this
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* function.
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*/
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timer->data = (unsigned long)timer;
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}
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int timer_pending(const struct timer_list *timer)
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{
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bool pending = Lx::timer().pending(timer);
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return pending;
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}
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int del_timer(struct timer_list *timer)
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{
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int rv = Lx::timer().del(timer);
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Lx::timer().schedule_next();
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return rv;
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}
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void hrtimer_init(struct hrtimer *timer, clockid_t clock_id, enum hrtimer_mode mode) { }
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int hrtimer_start_range_ns(struct hrtimer *timer, ktime_t tim,
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unsigned long delta_ns, const enum hrtimer_mode mode)
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{
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unsigned long expires = tim / ((1000/HZ) * NSEC_PER_MSEC);
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/*
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* Prevent truncation through rounding the values by adding 1 jiffy
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* in this case.
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*/
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expires += (expires == jiffies);
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if (!Lx::timer().find(timer))
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Lx::timer().add(timer, Lx::Timer::HR);
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return Lx::timer().schedule(timer, expires);
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}
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bool hrtimer_active(const struct hrtimer *timer)
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{
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return Lx::timer().find(timer);
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}
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int hrtimer_cancel(struct hrtimer *timer)
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{
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int rv = Lx::timer().del(timer);
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Lx::timer().schedule_next();
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return rv;
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}
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