зеркало из https://github.com/mozilla/gecko-dev.git
38 строки
1.1 KiB
C++
38 строки
1.1 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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#include "mozilla/Assertions.h"
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#include "mozilla/ChaosMode.h"
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#if defined(XP_WIN)
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# include <windows.h>
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#else
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# include <unistd.h>
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#endif
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namespace mozilla {
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void DelayForChaosMode(ChaosFeature aFeature,
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const uint32_t aMicrosecondLimit) {
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if (!ChaosMode::isActive(aFeature)) {
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return;
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}
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MOZ_ASSERT(aMicrosecondLimit <= 1000);
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#if defined(XP_WIN)
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// Windows doesn't support sleeping at less than millisecond resolution.
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// We could spin here, or we could just sleep for one millisecond.
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// Sleeping for a full millisecond causes heavy delays, so we don't do
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// anything here for now until we have found a good way to sleep more
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// precisely here.
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#else
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const uint32_t duration = ChaosMode::randomUint32LessThan(aMicrosecondLimit);
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::usleep(duration);
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#endif
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}
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} // namespace mozilla
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