os: oh geez look at the time

libraries/libstratosphere/include/stratosphere/os/os_timer_event_api.hpp

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+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+#include <vapours.hpp>
+#include <stratosphere/os/os_event_common.hpp>
+
+namespace ams::os {
+
+    struct TimerEventType;
+    struct WaitableHolderType;
+
+    void InitializeTimerEvent(TimerEventType *event, EventClearMode clear_mode);
+    void FinalizeTimerEvent(TimerEventType *event);
+
+    void StartOneShotTimerEvent(TimerEventType *event, TimeSpan first_time);
+    void StartPeriodicTimerEvent(TimerEventType *event, TimeSpan first_time, TimeSpan interval);
+    void StopTimerEvent(TimerEventType *event);
+
+    void WaitTimerEvent(TimerEventType *event);
+    bool TryWaitTimerEvent(TimerEventType *event);
+
+    void SignalTimerEvent(TimerEventType *event);
+    void ClearTimerEvent(TimerEventType *event);
+
+    void InitializeWaitableHolder(WaitableHolderType *waitable_holder, TimerEventType *event);
+
+}