1  #pragma once
 2  #ifndef WIN32_LEAN_AND_MEAN
 3  #define WIN32_LEAN_AND_MEAN
 4  #endif
 5  #include <Windows.h>
 6  #include <string>
 7  
 8  #include "wil/resource.h"
 9  #include <lmcons.h>
10  
11  namespace
12  {
13      constexpr inline wchar_t POWERTOYS_MSI_MUTEX_NAME[] = L"Local\\PowerToys_Runner_MSI_InstanceMutex";
14      constexpr inline wchar_t POWERTOYS_BOOTSTRAPPER_MUTEX_NAME[] = L"Local\\PowerToys_Bootstrapper_InstanceMutex";
15  }
16  
17  inline wil::unique_mutex_nothrow createAppMutex(const std::wstring& mutexName)
18  {
19      wil::unique_mutex_nothrow result{ CreateMutexW(nullptr, TRUE, mutexName.c_str()) };
20  
21      return GetLastError() == ERROR_ALREADY_EXISTS ? wil::unique_mutex_nothrow{} : std::move(result);
22  }