suyu/src/core/hle/kernel/time_manager.cpp

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// Copyright 2020 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
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#include "common/assert.h"
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#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/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, [[maybe_unused]] s64 cycles_late) {
Handle proper_handle = static_cast<Handle>(thread_handle);
std::shared_ptr<Thread> thread =
this->system.Kernel().RetrieveThreadFromGlobalHandleTable(proper_handle);
thread->ResumeFromWait();
});
}
void TimeManager::ScheduleTimeEvent(Handle& event_handle, Thread* timetask, s64 nanoseconds) {
if (nanoseconds > 0) {
ASSERT(timetask);
event_handle = timetask->GetGlobalHandle();
const s64 cycles = Core::Timing::nsToCycles(std::chrono::nanoseconds{nanoseconds});
system.CoreTiming().ScheduleEvent(cycles, time_manager_event_type, event_handle);
} else {
event_handle = InvalidHandle;
}
}
void TimeManager::UnscheduleTimeEvent(Handle event_handle) {
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if (event_handle == InvalidHandle) {
return;
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}
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system.CoreTiming().UnscheduleEvent(time_manager_event_type, event_handle);
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}
} // namespace Kernel