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[Base] Use chrono APIs for Timers

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This commit is contained in:
Joel Linn
2022-03-05 14:40:04 +01:00
committed by Rick Gibbed
parent 1478be14c7
commit 15950eec37
5 changed files with 170 additions and 148 deletions
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23
src/xenia/kernel/xtimer.cc
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@@ -9,7 +9,7 @@
#include "xenia/kernel/xtimer.h"
#include "xenia/base/clock.h"
#include "xenia/base/chrono.h"
#include "xenia/base/logging.h"
#include "xenia/cpu/processor.h"
#include "xenia/kernel/xthread.h"
@@ -40,13 +40,24 @@ void XTimer::Initialize(uint32_t timer_type) {
X_STATUS XTimer::SetTimer(int64_t due_time, uint32_t period_ms,
uint32_t routine, uint32_t routine_arg, bool resume) {
using xe::chrono::WinSystemClock;
using xe::chrono::XSystemClock;
// Caller is checking for STATUS_TIMER_RESUME_IGNORED.
if (resume) {
return X_STATUS_TIMER_RESUME_IGNORED;
}
due_time = Clock::ScaleGuestDurationFileTime(due_time);
period_ms = Clock::ScaleGuestDurationMillis(period_ms);
WinSystemClock::time_point due_tp;
if (due_time < 0) {
// Any timer implementation uses absolute times eventually, convert as early
// as possible for increased accuracy
auto after = xe::chrono::hundrednanoseconds(-due_time);
due_tp = date::clock_cast<WinSystemClock>(XSystemClock::now() + after);
} else {
due_tp = date::clock_cast<WinSystemClock>(
XSystemClock::from_file_time(due_time));
}
// Stash routine for callback.
callback_thread_ = XThread::GetCurrentThread();
@@ -72,12 +83,10 @@ X_STATUS XTimer::SetTimer(int64_t due_time, uint32_t period_ms,
bool result;
if (!period_ms) {
result = timer_->SetOnce(std::chrono::nanoseconds(due_time * 100),
std::move(callback));
result = timer_->SetOnceAt(due_tp, std::move(callback));
} else {
result = timer_->SetRepeating(std::chrono::nanoseconds(due_time * 100),
std::chrono::milliseconds(period_ms),
std::move(callback));
result = timer_->SetRepeatingAt(
due_tp, std::chrono::milliseconds(period_ms), std::move(callback));
}
return result ? X_STATUS_SUCCESS : X_STATUS_UNSUCCESSFUL;