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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
| commit | 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch) | |
| tree | a31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /xpcom/threads/ThreadDelay.cpp | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.tar.xz firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.zip | |
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
| -rw-r--r-- | xpcom/threads/ThreadDelay.cpp | 38 |
1 files changed, 38 insertions, 0 deletions
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 <windows.h> +#else +# include <unistd.h> +#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 |