forked from mirrors/gecko-dev
fb7f70182b
Functions in APZSampler that are only invoked without WR (e.g. from AsyncCompositionManager only) can be asserted as running on the sampler thread. Functions that are invoked with WR need to be bounced onto the sampler thread. In all cases the functions are called from the compositor thread, and so we assert that as well. MozReview-Commit-ID: JPgGlgUUsgg --HG-- extra : rebase_source : 8b950d3386e1e64e766b76edaa7894b251fb8664
65 lines
1.3 KiB
C++
65 lines
1.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef MOZILLA_GFX_SYNCHRONOUSTASK_H
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#define MOZILLA_GFX_SYNCHRONOUSTASK_H
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#include "mozilla/ReentrantMonitor.h" // for ReentrantMonitor, etc
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namespace mozilla {
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namespace layers {
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// Helper that creates a monitor and a "done" flag, then enters the monitor.
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class MOZ_STACK_CLASS SynchronousTask
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{
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friend class AutoCompleteTask;
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public:
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explicit SynchronousTask(const char* name)
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: mMonitor(name),
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mAutoEnter(mMonitor),
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mDone(false)
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{}
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void Wait() {
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while (!mDone) {
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mMonitor.Wait();
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}
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}
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private:
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void Complete() {
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mDone = true;
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mMonitor.NotifyAll();
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}
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private:
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ReentrantMonitor mMonitor;
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ReentrantMonitorAutoEnter mAutoEnter;
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bool mDone;
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};
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class MOZ_STACK_CLASS AutoCompleteTask
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{
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public:
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explicit AutoCompleteTask(SynchronousTask* aTask)
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: mTask(aTask),
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mAutoEnter(aTask->mMonitor)
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{
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}
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~AutoCompleteTask() {
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mTask->Complete();
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}
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private:
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SynchronousTask* mTask;
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ReentrantMonitorAutoEnter mAutoEnter;
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};
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}
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}
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#endif
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