diff options
Diffstat (limited to '')
-rw-r--r-- | security/sandbox/chromium-shim/base/threading/platform_thread_linux.cpp | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/security/sandbox/chromium-shim/base/threading/platform_thread_linux.cpp b/security/sandbox/chromium-shim/base/threading/platform_thread_linux.cpp new file mode 100644 index 0000000000..aed65a06bd --- /dev/null +++ b/security/sandbox/chromium-shim/base/threading/platform_thread_linux.cpp @@ -0,0 +1,69 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=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/. */ + +// This is a cut down version of Chromium source file base/threading/platform_thread_linux.h +// with only the functions required. It also has a dummy implementation of +// SetCurrentThreadPriorityForPlatform, which should not be called. + +#include "base/threading/platform_thread.h" + +#include "base/threading/platform_thread_internal_posix.h" + +#include "mozilla/Assertions.h" + +namespace base { +namespace internal { + +namespace { +const struct sched_param kRealTimePrio = {8}; +} // namespace + +const ThreadPriorityToNiceValuePair kThreadPriorityToNiceValueMap[4] = { + {ThreadPriority::BACKGROUND, 10}, + {ThreadPriority::NORMAL, 0}, + {ThreadPriority::DISPLAY, -8}, + {ThreadPriority::REALTIME_AUDIO, -10}, +}; + + +Optional<bool> CanIncreaseCurrentThreadPriorityForPlatform( + ThreadPriority priority) { + MOZ_CRASH(); +} + +bool SetCurrentThreadPriorityForPlatform(ThreadPriority priority) { + MOZ_CRASH(); +} + +Optional<ThreadPriority> GetCurrentThreadPriorityForPlatform() { + int maybe_sched_rr = 0; + struct sched_param maybe_realtime_prio = {0}; + if (pthread_getschedparam(pthread_self(), &maybe_sched_rr, + &maybe_realtime_prio) == 0 && + maybe_sched_rr == SCHED_RR && + maybe_realtime_prio.sched_priority == kRealTimePrio.sched_priority) { + return base::make_optional(ThreadPriority::REALTIME_AUDIO); + } + return base::nullopt; +} + +} // namespace internal + +void InitThreading() {} + +void TerminateOnThread() {} + +size_t GetDefaultThreadStackSize(const pthread_attr_t& attributes) { +#if !defined(THREAD_SANITIZER) + return 0; +#else + // ThreadSanitizer bloats the stack heavily. Evidence has been that the + // default stack size isn't enough for some browser tests. + return 2 * (1 << 23); // 2 times 8192K (the default stack size on Linux). +#endif +} + +} // namespace base |