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/* -*- 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
// 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