672d2c1255
This patch removes the comments following the header includes. They were added after running IWYU over the LLDB codebase. However they add little value, are often outdates and burdensome to maintain. Differential revision: https://reviews.llvm.org/D54385 llvm-svn: 346625
121 lines
3.5 KiB
C++
121 lines
3.5 KiB
C++
//===-- HostInfoWindows.cpp -------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "lldb/Host/windows/windows.h"
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#include <objbase.h>
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#include <mutex>
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#include "lldb/Host/windows/HostInfoWindows.h"
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#include "lldb/Host/windows/PosixApi.h"
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#include "llvm/ADT/SmallString.h"
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#include "llvm/Support/ConvertUTF.h"
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#include "llvm/Support/FileSystem.h"
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#include "llvm/Support/Path.h"
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#include "llvm/Support/Threading.h"
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#include "llvm/Support/raw_ostream.h"
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using namespace lldb_private;
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FileSpec HostInfoWindows::m_program_filespec;
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void HostInfoWindows::Initialize() {
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::CoInitializeEx(nullptr, COINIT_MULTITHREADED);
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HostInfoBase::Initialize();
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}
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void HostInfoWindows::Terminate() {
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HostInfoBase::Terminate();
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::CoUninitialize();
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}
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size_t HostInfoWindows::GetPageSize() {
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SYSTEM_INFO systemInfo;
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GetNativeSystemInfo(&systemInfo);
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return systemInfo.dwPageSize;
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}
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llvm::VersionTuple HostInfoWindows::GetOSVersion() {
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OSVERSIONINFOEX info;
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ZeroMemory(&info, sizeof(OSVERSIONINFOEX));
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info.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
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#pragma warning(push)
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#pragma warning(disable : 4996)
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// Starting with Microsoft SDK for Windows 8.1, this function is deprecated
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// in favor of the new Windows Version Helper APIs. Since we don't specify a
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// minimum SDK version, it's easier to simply disable the warning rather than
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// try to support both APIs.
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if (GetVersionEx((LPOSVERSIONINFO)&info) == 0)
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return llvm::VersionTuple();
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#pragma warning(pop)
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return llvm::VersionTuple(info.dwMajorVersion, info.dwMinorVersion,
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info.wServicePackMajor);
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}
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bool HostInfoWindows::GetOSBuildString(std::string &s) {
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s.clear();
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llvm::VersionTuple version = GetOSVersion();
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if (version.empty())
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return false;
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llvm::raw_string_ostream stream(s);
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stream << "Windows NT " << version.getAsString();
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return true;
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}
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bool HostInfoWindows::GetOSKernelDescription(std::string &s) {
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return GetOSBuildString(s);
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}
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bool HostInfoWindows::GetHostname(std::string &s) {
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wchar_t buffer[MAX_COMPUTERNAME_LENGTH + 1];
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DWORD dwSize = MAX_COMPUTERNAME_LENGTH + 1;
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if (!::GetComputerNameW(buffer, &dwSize))
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return false;
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return llvm::convertWideToUTF8(buffer, s);
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}
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FileSpec HostInfoWindows::GetProgramFileSpec() {
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static llvm::once_flag g_once_flag;
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llvm::call_once(g_once_flag, []() {
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std::vector<wchar_t> buffer(PATH_MAX);
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::GetModuleFileNameW(NULL, buffer.data(), buffer.size());
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std::string path;
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llvm::convertWideToUTF8(buffer.data(), path);
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m_program_filespec.SetFile(path, FileSpec::Style::native);
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});
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return m_program_filespec;
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}
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FileSpec HostInfoWindows::GetDefaultShell() {
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// Try to retrieve ComSpec from the environment. On the rare occasion
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// that it fails, try a well-known path for ComSpec instead.
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std::string shell;
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if (GetEnvironmentVar("ComSpec", shell))
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return FileSpec(shell);
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return FileSpec("C:\\Windows\\system32\\cmd.exe");
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}
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bool HostInfoWindows::GetEnvironmentVar(const std::string &var_name,
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std::string &var) {
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std::wstring wvar_name;
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if (!llvm::ConvertUTF8toWide(var_name, wvar_name))
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return false;
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if (const wchar_t *wvar = _wgetenv(wvar_name.c_str()))
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return llvm::convertWideToUTF8(wvar, var);
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return false;
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}
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