/* -*- Mode: C++; tab-width: 2; 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/. */
// APIs that inform the profiler when a thread is effectively asleep so that we // can avoid sampling it more than once.
// This file can be #included unconditionally. However, everything within this // file must be guarded by a #ifdef MOZ_GECKO_PROFILER, *except* for the // following macros and functions, which encapsulate the most common operations // and thus avoid the need for many #ifdefs.
# define AUTO_PROFILER_THREAD_SLEEP
staticinlinevoid profiler_thread_sleep() {}
staticinlinevoid profiler_thread_wake() {}
#else// !MOZ_GECKO_PROFILER
# include "mozilla/Attributes.h" # include "mozilla/BaseProfilerRAIIMacro.h"
// These functions tell the profiler that a thread went to sleep so that we can // avoid sampling it more than once while it's sleeping. Calling // profiler_thread_sleep() twice without an intervening profiler_thread_wake() // is an error. All three functions operate the same whether the profiler is // active or inactive. void profiler_thread_sleep(); void profiler_thread_wake();
// Mark a thread as asleep within a scope. // (See also AUTO_PROFILER_THREAD_WAKE in ProfilerThreadState.h) # define AUTO_PROFILER_THREAD_SLEEP \
mozilla::AutoProfilerThreadSleep PROFILER_RAII
namespace mozilla {
// (See also AutoProfilerThreadWake in ProfilerThreadState.h) class MOZ_RAII AutoProfilerThreadSleep { public: explicit AutoProfilerThreadSleep() { profiler_thread_sleep(); }
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