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安装服务

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服务配置程序使用 CreateService 函数在 SCM 数据库中安装服务。

以下示例中的 SvcInstall 函数演示如何从服务程序本身安装服务。 有关完整示例，请参阅 Svc.cpp。

//
// Purpose: 
//   Installs a service in the SCM database
//
// Parameters:
//   None
// 
// Return value:
//   None
//
VOID SvcInstall()
{
    SC_HANDLE schSCManager;
    SC_HANDLE schService;
    TCHAR szUnquotedPath[MAX_PATH];

    if( !GetModuleFileName( NULL, szUnquotedPath, MAX_PATH ) )
    {
        printf("Cannot install service (%d)\n", GetLastError());
        return;
    }

    // In case the path contains a space, it must be quoted so that
    // it is correctly interpreted. For example,
    // "d:\my share\myservice.exe" should be specified as
    // ""d:\my share\myservice.exe"".
    TCHAR szPath[MAX_PATH];
    StringCbPrintf(szPath, MAX_PATH, TEXT("\"%s\""), szUnquotedPath);

    // 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)\n", GetLastError());
        return;
    }

    // Create the service

    schService = CreateService( 
        schSCManager,              // SCM database 
        SVCNAME,                   // name of service 
        SVCNAME,                   // service name to display 
        SERVICE_ALL_ACCESS,        // desired access 
        SERVICE_WIN32_OWN_PROCESS, // service type 
        SERVICE_DEMAND_START,      // start type 
        SERVICE_ERROR_NORMAL,      // error control type 
        szPath,                    // path to service's binary 
        NULL,                      // no load ordering group 
        NULL,                      // no tag identifier 
        NULL,                      // no dependencies 
        NULL,                      // LocalSystem account 
        NULL);                     // no password 
 
    if (schService == NULL) 
    {
        printf("CreateService failed (%d)\n", GetLastError()); 
        CloseServiceHandle(schSCManager);
        return;
    }
    else printf("Service installed successfully\n"); 

    CloseServiceHandle(schService); 
    CloseServiceHandle(schSCManager);
}

服务安装、删除和枚举

完整服务示例