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/* -*- 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/. */
#ifndef ProfilerThreadPlatformData_h
#define ProfilerThreadPlatformData_h
#include "mozilla/ProfilerUtils.h"
#if defined(__APPLE__)
# include <mach/mach_types.h>
#elif defined(__linux__) || defined(__ANDROID__) || defined(__FreeBSD__)
# include "mozilla/Maybe.h"
# include <time.h>
#endif
namespace mozilla::profiler {
class PlatformData {
#if (defined(_MSC_VER) || defined(__MINGW32__)) && defined(MOZ_GECKO_PROFILER)
public:
explicit PlatformData(ProfilerThreadId aThreadId);
~PlatformData();
// Faking win32's HANDLE, because #including "windows.h" here causes trouble
// (e.g., it #defines `Yield` as nothing!)
// This type is static_check'ed against HANDLE in platform-win32.cpp.
using WindowsHandle = void*;
WindowsHandle ProfiledThread() const { return mProfiledThread; }
private:
WindowsHandle mProfiledThread;
#elif defined(__APPLE__) && defined(MOZ_GECKO_PROFILER)
public:
explicit PlatformData(ProfilerThreadId aThreadId);
~PlatformData();
thread_act_t ProfiledThread() const { return mProfiledThread; }
private:
// Note: for mProfiledThread Mach primitives are used instead of pthread's
// because the latter doesn't provide thread manipulation primitives
// required. For details, consult "Mac OS X Internals" book, Section 7.3.
thread_act_t mProfiledThread;
#elif (defined(__linux__) || defined(__ANDROID__) || defined(__FreeBSD__)) && \
defined(MOZ_GECKO_PROFILER)
public:
explicit PlatformData(ProfilerThreadId aThreadId);
~PlatformData();
// Clock Id for this profiled thread. `Nothing` if `pthread_getcpuclockid`
// failed (e.g., if the system doesn't support per-thread clocks).
Maybe<clockid_t> GetClockId() const { return mClockId; }
private:
Maybe<clockid_t> mClockId;
#else
public:
explicit PlatformData(ProfilerThreadId aThreadId) {}
#endif
};
/**
* Return the number of nanoseconds of CPU time used since thread start.
*
* @return true on success.
*/
#if defined(MOZ_GECKO_PROFILER)
bool GetCpuTimeSinceThreadStartInNs(uint64_t* aResult,
const PlatformData& aPlatformData);
#else
static inline bool GetCpuTimeSinceThreadStartInNs(
uint64_t* aResult, const PlatformData& aPlatformData) {
return false;
}
#endif
} // namespace mozilla::profiler
#endif // ProfilerThreadPlatformData_h
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