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Kernel: Refactor TimeQueue::add_timer to use timeval

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The current API of add_timer makes it hard to use as
you are forced to do a bunch of time arithmetic at the
caller. Ideally we would have overloads for common time
types like timespec or timeval to keep the API as straight
forward as possible. This change moves us in that direction.

While I'm here, we should really also use the machines actual
ticks per second, instead of the OPTIMAL_TICKS_PER_SECOND_RATE.
This commit is contained in:
Brian Gianforcaro 2020-04-26 02:23:37 -07:00 • committed by Andreas Kling
parent 1a80aa999a
commit 1d68837456
Notes: sideshowbarker 2024-07-19 07:16:00 +09:00
2 changed files with 16 additions and 10 deletions
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12
Kernel/TimerQueue.cpp
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@ -28,6 +28,7 @@
#include <AK/NonnullOwnPtr.h>
#include <AK/OwnPtr.h>
#include <Kernel/Scheduler.h>
#include <Kernel/Time/TimeManagement.h>
#include <Kernel/TimerQueue.h>
namespace Kernel {
@ -41,9 +42,14 @@ TimerQueue& TimerQueue::the()
return *s_the;
}
TimerQueue::TimerQueue()
{
m_ticks_per_second = TimeManagement::the().ticks_per_second();
}
u64 TimerQueue::add_timer(NonnullOwnPtr<Timer>&& timer)
{
ASSERT(timer->expires > g_uptime);
ASSERT(timer->expires >= g_uptime);
timer->id = ++m_timer_id_count;
@ -58,10 +64,10 @@ u64 TimerQueue::add_timer(NonnullOwnPtr<Timer>&& timer)
return m_timer_id_count;
}
u64 TimerQueue::add_timer(u64 duration, TimeUnit unit, Function<void()>&& callback)
u64 TimerQueue::add_timer(timeval& deadline, Function<void()>&& callback)
{
NonnullOwnPtr timer = make<Timer>();
timer->expires = g_uptime + duration * unit;
timer->expires = g_uptime + seconds_to_ticks(deadline.tv_sec) + microseconds_to_ticks(deadline.tv_usec);
timer->callback = move(callback);
return add_timer(move(timer));
}