timing: wait for completion on unregister

This commit is contained in:
Liam 2023-01-14 15:48:01 -05:00
parent 0e8f98a441
commit 0953cdd271
3 changed files with 27 additions and 28 deletions

View file

@ -142,9 +142,11 @@ void CoreTiming::ScheduleLoopingEvent(std::chrono::nanoseconds start_time,
}
void CoreTiming::UnscheduleEvent(const std::shared_ptr<EventType>& event_type,
std::uintptr_t user_data) {
std::scoped_lock scope{basic_lock};
const auto itr = std::remove_if(event_queue.begin(), event_queue.end(), [&](const Event& e) {
std::uintptr_t user_data, bool wait) {
{
std::scoped_lock lk{basic_lock};
const auto itr =
std::remove_if(event_queue.begin(), event_queue.end(), [&](const Event& e) {
return e.type.lock().get() == event_type.get() && e.user_data == user_data;
});
@ -155,6 +157,12 @@ void CoreTiming::UnscheduleEvent(const std::shared_ptr<EventType>& event_type,
}
}
// Force any in-progress events to finish
if (wait) {
std::scoped_lock lk{advance_lock};
}
}
void CoreTiming::AddTicks(u64 ticks_to_add) {
ticks += ticks_to_add;
downcount -= static_cast<s64>(ticks);
@ -190,20 +198,6 @@ u64 CoreTiming::GetClockTicks() const {
return CpuCyclesToClockCycles(ticks);
}
void CoreTiming::RemoveEvent(const std::shared_ptr<EventType>& event_type) {
std::scoped_lock lock{basic_lock};
const auto itr = std::remove_if(event_queue.begin(), event_queue.end(), [&](const Event& e) {
return e.type.lock().get() == event_type.get();
});
// Removing random items breaks the invariant so we have to re-establish it.
if (itr != event_queue.end()) {
event_queue.erase(itr, event_queue.end());
std::make_heap(event_queue.begin(), event_queue.end(), std::greater<>());
}
}
std::optional<s64> CoreTiming::Advance() {
std::scoped_lock lock{advance_lock, basic_lock};
global_timer = GetGlobalTimeNs().count();

View file

@ -98,10 +98,13 @@ public:
const std::shared_ptr<EventType>& event_type,
std::uintptr_t user_data = 0, bool absolute_time = false);
void UnscheduleEvent(const std::shared_ptr<EventType>& event_type, std::uintptr_t user_data);
void UnscheduleEvent(const std::shared_ptr<EventType>& event_type, std::uintptr_t user_data,
bool wait = true);
/// We only permit one event of each type in the queue at a time.
void RemoveEvent(const std::shared_ptr<EventType>& event_type);
void UnscheduleEventWithoutWait(const std::shared_ptr<EventType>& event_type,
std::uintptr_t user_data) {
UnscheduleEvent(event_type, user_data, false);
}
void AddTicks(u64 ticks_to_add);

View file

@ -18,7 +18,8 @@ void KHardwareTimer::Initialize() {
}
void KHardwareTimer::Finalize() {
this->DisableInterrupt();
m_kernel.System().CoreTiming().UnscheduleEvent(m_event_type, reinterpret_cast<uintptr_t>(this));
m_wakeup_time = std::numeric_limits<s64>::max();
m_event_type.reset();
}
@ -59,7 +60,8 @@ void KHardwareTimer::EnableInterrupt(s64 wakeup_time) {
}
void KHardwareTimer::DisableInterrupt() {
m_kernel.System().CoreTiming().UnscheduleEvent(m_event_type, reinterpret_cast<uintptr_t>(this));
m_kernel.System().CoreTiming().UnscheduleEventWithoutWait(m_event_type,
reinterpret_cast<uintptr_t>(this));
m_wakeup_time = std::numeric_limits<s64>::max();
}