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juce_SystemStats.cpp
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juce_SystemStats.cpp
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/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2020 - Raw Material Software Limited
JUCE is an open source library subject to commercial or open-source
licensing.
The code included in this file is provided under the terms of the ISC license
http://www.isc.org/downloads/software-support-policy/isc-license. Permission
To use, copy, modify, and/or distribute this software for any purpose with or
without fee is hereby granted provided that the above copyright notice and
this permission notice appear in all copies.
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
DISCLAIMED.
==============================================================================
*/
namespace juce
{
String SystemStats::getJUCEVersion()
{
// Some basic tests, to keep an eye on things and make sure these types work ok
// on all platforms. Let me know if any of these assertions fail on your system!
static_assert (sizeof (pointer_sized_int) == sizeof (void*), "Basic sanity test failed: please report!");
static_assert (sizeof (int8) == 1, "Basic sanity test failed: please report!");
static_assert (sizeof (uint8) == 1, "Basic sanity test failed: please report!");
static_assert (sizeof (int16) == 2, "Basic sanity test failed: please report!");
static_assert (sizeof (uint16) == 2, "Basic sanity test failed: please report!");
static_assert (sizeof (int32) == 4, "Basic sanity test failed: please report!");
static_assert (sizeof (uint32) == 4, "Basic sanity test failed: please report!");
static_assert (sizeof (int64) == 8, "Basic sanity test failed: please report!");
static_assert (sizeof (uint64) == 8, "Basic sanity test failed: please report!");
return "JUCE v" JUCE_STRINGIFY(JUCE_MAJOR_VERSION)
"." JUCE_STRINGIFY(JUCE_MINOR_VERSION)
"." JUCE_STRINGIFY(JUCE_BUILDNUMBER);
}
#if JUCE_ANDROID && ! defined (JUCE_DISABLE_JUCE_VERSION_PRINTING)
#define JUCE_DISABLE_JUCE_VERSION_PRINTING 1
#endif
#if JUCE_DEBUG && ! JUCE_DISABLE_JUCE_VERSION_PRINTING
struct JuceVersionPrinter
{
JuceVersionPrinter()
{
DBG (SystemStats::getJUCEVersion());
}
};
static JuceVersionPrinter juceVersionPrinter;
#endif
StringArray SystemStats::getDeviceIdentifiers()
{
StringArray ids;
#if JUCE_WINDOWS
File f (File::getSpecialLocation (File::windowsSystemDirectory));
#else
File f ("~");
#endif
if (auto num = f.getFileIdentifier())
{
ids.add (String::toHexString ((int64) num));
}
else
{
for (auto& address : MACAddress::getAllAddresses())
ids.add (address.toString());
}
jassert (! ids.isEmpty()); // Failed to create any IDs!
return ids;
}
//==============================================================================
struct CPUInformation
{
CPUInformation() noexcept { initialise(); }
void initialise() noexcept;
int numLogicalCPUs = 0, numPhysicalCPUs = 0;
bool hasMMX = false, hasSSE = false, hasSSE2 = false, hasSSE3 = false,
has3DNow = false, hasFMA3 = false, hasFMA4 = false, hasSSSE3 = false,
hasSSE41 = false, hasSSE42 = false, hasAVX = false, hasAVX2 = false,
hasAVX512F = false, hasAVX512BW = false, hasAVX512CD = false,
hasAVX512DQ = false, hasAVX512ER = false, hasAVX512IFMA = false,
hasAVX512PF = false, hasAVX512VBMI = false, hasAVX512VL = false,
hasAVX512VPOPCNTDQ = false,
hasNeon = false;
};
static const CPUInformation& getCPUInformation() noexcept
{
static CPUInformation info;
return info;
}
int SystemStats::getNumCpus() noexcept { return getCPUInformation().numLogicalCPUs; }
int SystemStats::getNumPhysicalCpus() noexcept { return getCPUInformation().numPhysicalCPUs; }
bool SystemStats::hasMMX() noexcept { return getCPUInformation().hasMMX; }
bool SystemStats::has3DNow() noexcept { return getCPUInformation().has3DNow; }
bool SystemStats::hasFMA3() noexcept { return getCPUInformation().hasFMA3; }
bool SystemStats::hasFMA4() noexcept { return getCPUInformation().hasFMA4; }
bool SystemStats::hasSSE() noexcept { return getCPUInformation().hasSSE; }
bool SystemStats::hasSSE2() noexcept { return getCPUInformation().hasSSE2; }
bool SystemStats::hasSSE3() noexcept { return getCPUInformation().hasSSE3; }
bool SystemStats::hasSSSE3() noexcept { return getCPUInformation().hasSSSE3; }
bool SystemStats::hasSSE41() noexcept { return getCPUInformation().hasSSE41; }
bool SystemStats::hasSSE42() noexcept { return getCPUInformation().hasSSE42; }
bool SystemStats::hasAVX() noexcept { return getCPUInformation().hasAVX; }
bool SystemStats::hasAVX2() noexcept { return getCPUInformation().hasAVX2; }
bool SystemStats::hasAVX512F() noexcept { return getCPUInformation().hasAVX512F; }
bool SystemStats::hasAVX512BW() noexcept { return getCPUInformation().hasAVX512BW; }
bool SystemStats::hasAVX512CD() noexcept { return getCPUInformation().hasAVX512CD; }
bool SystemStats::hasAVX512DQ() noexcept { return getCPUInformation().hasAVX512DQ; }
bool SystemStats::hasAVX512ER() noexcept { return getCPUInformation().hasAVX512ER; }
bool SystemStats::hasAVX512IFMA() noexcept { return getCPUInformation().hasAVX512IFMA; }
bool SystemStats::hasAVX512PF() noexcept { return getCPUInformation().hasAVX512PF; }
bool SystemStats::hasAVX512VBMI() noexcept { return getCPUInformation().hasAVX512VBMI; }
bool SystemStats::hasAVX512VL() noexcept { return getCPUInformation().hasAVX512VL; }
bool SystemStats::hasAVX512VPOPCNTDQ() noexcept { return getCPUInformation().hasAVX512VPOPCNTDQ; }
bool SystemStats::hasNeon() noexcept { return getCPUInformation().hasNeon; }
//==============================================================================
String SystemStats::getStackBacktrace()
{
String result;
#if JUCE_ANDROID || JUCE_MINGW
jassertfalse; // sorry, not implemented yet!
#elif JUCE_WINDOWS
HANDLE process = GetCurrentProcess();
SymInitialize (process, nullptr, TRUE);
void* stack[128];
int frames = (int) CaptureStackBackTrace (0, numElementsInArray (stack), stack, nullptr);
HeapBlock<SYMBOL_INFO> symbol;
symbol.calloc (sizeof (SYMBOL_INFO) + 256, 1);
symbol->MaxNameLen = 255;
symbol->SizeOfStruct = sizeof (SYMBOL_INFO);
for (int i = 0; i < frames; ++i)
{
DWORD64 displacement = 0;
if (SymFromAddr (process, (DWORD64) stack[i], &displacement, symbol))
{
result << i << ": ";
IMAGEHLP_MODULE64 moduleInfo;
zerostruct (moduleInfo);
moduleInfo.SizeOfStruct = sizeof (moduleInfo);
if (::SymGetModuleInfo64 (process, symbol->ModBase, &moduleInfo))
result << moduleInfo.ModuleName << ": ";
result << symbol->Name << " + 0x" << String::toHexString ((int64) displacement) << newLine;
}
}
#else
void* stack[128];
int frames = backtrace (stack, numElementsInArray (stack));
char** frameStrings = backtrace_symbols (stack, frames);
for (int i = 0; i < frames; ++i)
result << frameStrings[i] << newLine;
::free (frameStrings);
#endif
return result;
}
//==============================================================================
static SystemStats::CrashHandlerFunction globalCrashHandler = nullptr;
#if JUCE_WINDOWS
static LONG WINAPI handleCrash (LPEXCEPTION_POINTERS ep)
{
globalCrashHandler (ep);
return EXCEPTION_EXECUTE_HANDLER;
}
#else
static void handleCrash (int signum)
{
globalCrashHandler ((void*) (pointer_sized_int) signum);
::kill (getpid(), SIGKILL);
}
int juce_siginterrupt (int sig, int flag);
#endif
void SystemStats::setApplicationCrashHandler (CrashHandlerFunction handler)
{
jassert (handler != nullptr); // This must be a valid function.
globalCrashHandler = handler;
#if JUCE_WINDOWS
SetUnhandledExceptionFilter (handleCrash);
#else
const int signals[] = { SIGFPE, SIGILL, SIGSEGV, SIGBUS, SIGABRT, SIGSYS };
for (int i = 0; i < numElementsInArray (signals); ++i)
{
::signal (signals[i], handleCrash);
juce_siginterrupt (signals[i], 1);
}
#endif
}
bool SystemStats::isRunningInAppExtensionSandbox() noexcept
{
#if JUCE_MAC || JUCE_IOS
static bool firstQuery = true;
static bool isRunningInAppSandbox = false;
if (firstQuery)
{
firstQuery = false;
File bundle = File::getSpecialLocation (File::invokedExecutableFile).getParentDirectory();
#if JUCE_MAC
bundle = bundle.getParentDirectory().getParentDirectory();
#endif
if (bundle.isDirectory())
isRunningInAppSandbox = (bundle.getFileExtension() == ".appex");
}
return isRunningInAppSandbox;
#else
return false;
#endif
}
} // namespace juce