Damien Carver
3dd64cf8d7
Properly detect linux with unsupported cpu. Differential Revision: https://phabricator.services.mozilla.com/D286927
72 lines
2.2 KiB
C++
72 lines
2.2 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef ProfilerThreadPlatformData_h
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#define ProfilerThreadPlatformData_h
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#include "mozilla/ProfilerUtils.h"
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#include "mozilla/ProfilerPlatformMacros.h"
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#if defined(GP_OS_darwin)
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# include <mach/mach_types.h>
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#elif defined(GP_OS_linux) || defined(GP_OS_android) || defined(GP_OS_freebsd)
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# include "mozilla/Maybe.h"
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# include <time.h>
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#endif
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namespace mozilla::profiler {
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class PlatformData {
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#if defined(GP_OS_windows)
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public:
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explicit PlatformData(ProfilerThreadId aThreadId);
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~PlatformData();
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// Faking win32's HANDLE, because #including "windows.h" here causes trouble
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// (e.g., it #defines `Yield` as nothing!)
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// This type is static_check'ed against HANDLE in platform-win32.cpp.
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using WindowsHandle = void*;
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WindowsHandle ProfiledThread() const { return mProfiledThread; }
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private:
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WindowsHandle mProfiledThread;
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#elif defined(GP_OS_darwin)
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public:
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explicit PlatformData(ProfilerThreadId aThreadId);
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~PlatformData();
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thread_act_t ProfiledThread() const { return mProfiledThread; }
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private:
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// Note: for mProfiledThread Mach primitives are used instead of pthread's
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// because the latter doesn't provide thread manipulation primitives
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// required. For details, consult "Mac OS X Internals" book, Section 7.3.
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thread_act_t mProfiledThread;
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#elif (defined(GP_OS_linux) || defined(GP_OS_android) || defined(GP_OS_freebsd))
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public:
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explicit PlatformData(ProfilerThreadId aThreadId);
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~PlatformData();
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// Clock Id for this profiled thread. `Nothing` if `pthread_getcpuclockid`
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// failed (e.g., if the system doesn't support per-thread clocks).
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Maybe<clockid_t> GetClockId() const { return mClockId; }
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private:
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Maybe<clockid_t> mClockId;
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#else
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public:
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explicit PlatformData(ProfilerThreadId aThreadId) {}
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#endif
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};
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/**
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* Return the number of nanoseconds of CPU time used since thread start.
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*
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* @return true on success.
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*/
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bool GetCpuTimeSinceThreadStartInNs(uint64_t* aResult,
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const PlatformData& aPlatformData);
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} // namespace mozilla::profiler
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#endif // ProfilerThreadPlatformData_h
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