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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_VCL_SCHEDULER_HXX
#define INCLUDED_VCL_SCHEDULER_HXX
#include <vcl/dllapi.h>
class SchedulerGuard;
class Task;
struct TaskImpl;
struct ImplSchedulerContext;
struct ImplSchedulerData;
class VCL_DLLPUBLIC Scheduler final
{
friend class SchedulerGuard;
friend class Task;
Scheduler() SAL_DELETED_FUNCTION;
static inline void UpdateSystemTimer( ImplSchedulerContext &rSchedCtx,
sal_uInt64 nMinPeriod,
bool bForce, sal_uInt64 nTime );
static void ImplStartTimer ( sal_uInt64 nMS, bool bForce, sal_uInt64 nTime );
static void Lock( sal_uInt32 nLockCount = 1 );
static sal_uInt32 Unlock( bool bUnlockAll = false );
public:
static constexpr sal_uInt64 ImmediateTimeoutMs = 0;
static constexpr sal_uInt64 InfiniteTimeoutMs = SAL_MAX_UINT64;
static void ImplDeInitScheduler();
/// Process one pending Timer with highhest priority
static void CallbackTaskScheduling();
/// Process one pending task ahead of time with highest priority.
static bool ProcessTaskScheduling();
/**
* Process all events until none is pending
*
* This can busy-lock, if some task or system event always generates new
* events when being processed. Most time it's called in unit tests to
* process all pending events. Internally it just calls
* Application::Reschedule( true ) until it fails.
*
* @see Application::Reschedule
*/
static void ProcessEventsToIdle();
/// Control the deterministic mode. In this mode, two subsequent runs of
/// LibreOffice fire about the same amount idles.
static void SetDeterministicMode(bool bDeterministic);
/// Return the current state of deterministic mode.
static bool GetDeterministicMode();
};
#endif // INCLUDED_VCL_SCHEDULER_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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