зеркало из https://github.com/mozilla/gecko-dev.git
49 строки
1.0 KiB
C++
49 строки
1.0 KiB
C++
/* 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 TestCommon_h__
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#define TestCommon_h__
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#include <stdlib.h>
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#include "nsThreadUtils.h"
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#include "mozilla/Attributes.h"
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//-----------------------------------------------------------------------------
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class WaitForCondition final : public nsIRunnable
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{
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public:
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NS_DECL_THREADSAFE_ISUPPORTS
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void Wait(int pending)
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{
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MOZ_ASSERT(NS_IsMainThread());
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MOZ_ASSERT(mPending == 0);
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mPending = pending;
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mozilla::SpinEventLoopUntil([&]() { return !mPending; });
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NS_ProcessPendingEvents(nullptr);
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}
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void Notify() {
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NS_DispatchToMainThread(this);
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}
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private:
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virtual ~WaitForCondition() { }
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NS_IMETHOD Run() override {
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MOZ_ASSERT(NS_IsMainThread());
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MOZ_ASSERT(mPending);
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--mPending;
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return NS_OK;
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}
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uint32_t mPending = 0;
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};
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NS_IMPL_ISUPPORTS(WaitForCondition, nsIRunnable)
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#endif
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