From 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 03:47:29 +0200 Subject: Adding upstream version 115.8.0esr. Signed-off-by: Daniel Baumann --- xpcom/threads/ThreadDelay.cpp | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 xpcom/threads/ThreadDelay.cpp (limited to 'xpcom/threads/ThreadDelay.cpp') diff --git a/xpcom/threads/ThreadDelay.cpp b/xpcom/threads/ThreadDelay.cpp new file mode 100644 index 0000000000..1c38e25510 --- /dev/null +++ b/xpcom/threads/ThreadDelay.cpp @@ -0,0 +1,38 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* 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/. */ + +#include "ThreadDelay.h" +#include "mozilla/Assertions.h" +#include "mozilla/ChaosMode.h" + +#if defined(XP_WIN) +# include +#else +# include +#endif + +namespace mozilla { + +void DelayForChaosMode(ChaosFeature aFeature, + const uint32_t aMicrosecondLimit) { + if (!ChaosMode::isActive(aFeature)) { + return; + } + + MOZ_ASSERT(aMicrosecondLimit <= 1000); +#if defined(XP_WIN) + // Windows doesn't support sleeping at less than millisecond resolution. + // We could spin here, or we could just sleep for one millisecond. + // Sleeping for a full millisecond causes heavy delays, so we don't do + // anything here for now until we have found a good way to sleep more + // precisely here. +#else + const uint32_t duration = ChaosMode::randomUint32LessThan(aMicrosecondLimit); + ::usleep(duration); +#endif +} + +} // namespace mozilla -- cgit v1.2.3