Function QueryProcessName

PresentMon/OutputThread.cpp:288–313

}

static void QueryProcessName(uint32_t processId, ProcessInfo* info)
{
    auto const& args = GetCommandLineArgs();

    wchar_t path[MAX_PATH];
    const wchar_t* processName = L"<unknown>";
    HANDLE handle = NULL;

    if (args.mEtlFileName == nullptr) {
        handle = OpenProcess(PROCESS_QUERY_LIMITED_INFORMATION, FALSE, processId);
        if (handle != NULL) {
            DWORD numChars = _countof(path);
            if (QueryFullProcessImageNameW(handle, 0, path, &numChars)) {
                for (;; --numChars) {
                    if (numChars == 0 || path[numChars - 1] == L'\\' || path[numChars - 1] == L'/') {
                        processName = &path[numChars];
                        break;
                    }
                }
            }
        }
    }

    info->mModuleName = processName;
    info->mHandle     = handle;
}

static bool GetPresentProcessInfo(
    std::shared_ptr<PresentEvent> const& presentEvent,