C++ 检查Windows服务运行状态

检查Windows服务运行状态

 C++ Code 

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#include <iostream> #include <tchar.h> #include <Windows.h> using namespace std; /*  检查Windows服务状态信息     使用API:     OpenSCManager     OpenService     QueryServiceStatusEx */ int main(void) {     TCHAR szSvcName[]       = _T("HistorySvr");     SC_HANDLE schSCManager  = NULL;     SC_HANDLE schService    = NULL;     SERVICE_STATUS_PROCESS ssStatus;     DWORD dwOldCheckPoint   = 0;     DWORD dwStartTickCount  = 0;     DWORD dwWaitTime        = 0;     DWORD dwBytesNeeded     = 0;     // Get a handle to the SCM database.     schSCManager = OpenSCManager(                        NULL,                                // local computer                        NULL,                                // ServicesActive database                        SC_MANAGER_ALL_ACCESS);              // full access rights     if (NULL == schSCManager)     {         printf("OpenSCManager failed (%d) ", GetLastError());     }     // Get a handle to the service.     schService = OpenService(                      schSCManager,                      // SCM database                      szSvcName,                         // name of service                      SERVICE_QUERY_STATUS |                      SERVICE_ENUMERATE_DEPENDENTS);     // full access     if (schService == NULL)     {         printf("OpenService failed (%d) ", GetLastError());         CloseServiceHandle(schSCManager);     }     // Check the status in case the service is not stopped.     if (!QueryServiceStatusEx(                 schService,                         // handle to service                 SC_STATUS_PROCESS_INFO,             // information level                 (LPBYTE) &ssStatus,                 // address of structure                 sizeof(SERVICE_STATUS_PROCESS),     // size of structure                 &dwBytesNeeded ) )                  // size needed if buffer is too small     {         printf("QueryServiceStatusEx failed (%d) ", GetLastError());         CloseServiceHandle(schService);         CloseServiceHandle(schSCManager);     }     else     {         // Check if the service is already running. It would be possible         // to stop the service here, but for simplicity this example just returns.         printf("Service status: ");         switch(ssStatus.dwCurrentState)         {         case SERVICE_STOPPED:         case SERVICE_STOP_PENDING:             printf("Stop");             break;         case SERVICE_PAUSED:         case SERVICE_PAUSE_PENDING:             printf("Pause");             break;         case SERVICE_CONTINUE_PENDING:         case SERVICE_RUNNING:         case SERVICE_START_PENDING:             printf("Running");             break;         }         cout << endl;     }     cin.get();     return 0; }

　　PS：请以管理员权限运行该程序，VS配置如下：

 　　

　　参考：https://msdn.microsoft.com/en-us/library/bb540474(v=VS.85).aspx