Last active
April 22, 2019 11:06
-
-
Save 0xbadfca11/5891309f9cff61eee3b1438029e0fcf0 to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
EXPORTS | |
WslLaunch |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#define WIN32_LEAN_AND_MEAN | |
#include <windows.h> | |
#include <wslapi.h> | |
#include <algorithm> | |
#include <cstdio> | |
#include <cstdlib> | |
#include <numeric> | |
#include <string> | |
#include <vector> | |
#pragma comment(lib, "wslapi.lib")// Make yourself | |
int wmain(int, PWSTR argv[]) | |
{ | |
LoadLibraryW(LR"(C:\Windows\System32\lxss\LxssManagerProxyStub.dll)"); | |
SC_HANDLE scm = OpenSCManagerW(nullptr, nullptr, SC_MANAGER_CONNECT); | |
if (!scm) | |
{ | |
fprintf(stderr, "!scm %08lx\n", GetLastError()); | |
ExitProcess(EXIT_FAILURE); | |
} | |
SC_HANDLE lxss = OpenServiceW(scm, L"LxssManager", SERVICE_QUERY_STATUS | SERVICE_START | SERVICE_STOP); | |
if (!lxss) | |
{ | |
fprintf(stderr, "!lxss %08lx\n", GetLastError()); | |
ExitProcess(EXIT_FAILURE); | |
} | |
SECURITY_ATTRIBUTES sa = { sizeof sa, nullptr, TRUE }; | |
HANDLE nul = CreateFileW(L"NUL", GENERIC_READ | GENERIC_WRITE, 0, &sa, OPEN_EXISTING, 0, nullptr); | |
if (nul == INVALID_HANDLE_VALUE) | |
{ | |
fprintf(stderr, "!nul %08lx\n", GetLastError()); | |
ExitProcess(EXIT_FAILURE); | |
} | |
HANDLE process; | |
if (HRESULT result = WslLaunch(L"Ubuntu", argv[1], TRUE, nul, nul, nul, &process); FAILED(result)) | |
{ | |
fprintf(stderr, "!WslLaunch %08lx\n", result); | |
ExitProcess(EXIT_FAILURE); | |
} | |
if (WaitForSingleObject(process, INFINITE) == WAIT_FAILED) | |
{ | |
fprintf(stderr, "!WaitForSingleObject %08lx\n", GetLastError()); | |
ExitProcess(EXIT_FAILURE); | |
} | |
std::vector<UINT64> results; | |
results.resize(std::stoi(argv[2])); | |
for (auto& e : results) | |
{ | |
SERVICE_STATUS status; | |
if (!ControlService(lxss, SERVICE_CONTROL_STOP, &status)) | |
{ | |
fprintf(stderr, "!ControlService %08lx\n", GetLastError()); | |
ExitProcess(EXIT_FAILURE); | |
} | |
Sleep(1); | |
do | |
{ | |
if (!QueryServiceStatus(lxss, &status)) | |
{ | |
fprintf(stderr, "!QueryServiceStatus %08lx\n", GetLastError()); | |
ExitProcess(EXIT_FAILURE); | |
} | |
if (status.dwCurrentState == SERVICE_STOPPED) | |
{ | |
break; | |
} | |
else if (status.dwCurrentState == SERVICE_STOP_PENDING) | |
{ | |
Sleep(1); | |
} | |
else | |
{ | |
fprintf(stderr, "unexpected service state %u\n", status.dwCurrentState); | |
ExitProcess(EXIT_FAILURE); | |
} | |
} while (status.dwCurrentState != SERVICE_STOPPED); | |
if (HRESULT result = WslLaunch(L"Ubuntu", argv[1], TRUE, nul, nul, nul, &process); FAILED(result)) | |
{ | |
fprintf(stderr, "!WslLaunch %08lx\n", result); | |
ExitProcess(EXIT_FAILURE); | |
} | |
if (WaitForSingleObject(process, INFINITE) == WAIT_FAILED) | |
{ | |
fprintf(stderr, "!WaitForSingleObject %08lx\n", GetLastError()); | |
ExitProcess(EXIT_FAILURE); | |
} | |
if (!QueryProcessCycleTime(process, &e)) | |
{ | |
fprintf(stderr, "!QueryProcessCycleTime %08lx\n", GetLastError()); | |
ExitProcess(EXIT_FAILURE); | |
} | |
CloseHandle(process); | |
} | |
auto[fastest, worst] = std::minmax_element(std::cbegin(results), std::cend(results)); | |
printf( | |
"Fastest %llu\n" | |
"Worst %llu\n" | |
"Average %llu\n", | |
*fastest, | |
*worst, | |
std::accumulate(std::cbegin(results), std::cend(results), 0ULL) / results.size() | |
); | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment