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// Copyright 2020 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/assert.h"
#include "core/core.h"
#include "core/core_timing.h"
#include "core/core_timing_util.h"
#include "core/hle/kernel/handle_table.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/scheduler.h"
#include "core/hle/kernel/thread.h"
#include "core/hle/kernel/time_manager.h"
namespace Kernel {
TimeManager::TimeManager(Core::System& system_) : system{system_} {
time_manager_event_type = Core::Timing::CreateEvent(
"Kernel::TimeManagerCallback", [this](u64 thread_handle, std::chrono::nanoseconds) {
SchedulerLock lock(system.Kernel());
Handle proper_handle = static_cast<Handle>(thread_handle);
if (cancelled_events[proper_handle]) {
return;
}
std::shared_ptr<Thread> thread =
this->system.Kernel().RetrieveThreadFromGlobalHandleTable(proper_handle);
thread->OnWakeUp();
});
}
void TimeManager::ScheduleTimeEvent(Handle& event_handle, Thread* timetask, s64 nanoseconds) {
event_handle = timetask->GetGlobalHandle();
if (nanoseconds > 0) {
ASSERT(timetask);
ASSERT(timetask->GetStatus() != ThreadStatus::Ready);
ASSERT(timetask->GetStatus() != ThreadStatus::WaitMutex);
system.CoreTiming().ScheduleEvent(std::chrono::nanoseconds{nanoseconds},
time_manager_event_type, event_handle);
} else {
event_handle = InvalidHandle;
}
cancelled_events[event_handle] = false;
}
void TimeManager::UnscheduleTimeEvent(Handle event_handle) {
if (event_handle == InvalidHandle) {
return;
}
system.CoreTiming().UnscheduleEvent(time_manager_event_type, event_handle);
cancelled_events[event_handle] = true;
}
void TimeManager::CancelTimeEvent(Thread* time_task) {
Handle event_handle = time_task->GetGlobalHandle();
UnscheduleTimeEvent(event_handle);
}
} // namespace Kernel
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