Use C language to compile Windows Service General framework

Writing a Windows service is the same as writing a Windows application. Some callback functions must be filled in and registered with the Windows Service Manager. Otherwise, the service cannot be started. I have recently written a service, and I have encountered some problems. I 'd like to share some content with you. please correct me.
The general framework code for Windows Services is as follows:

# Include <windows. h>
# Include <tchar. h>

Void winapi servicehandler (DWORD dwcontrol)

{

Switch (dwcontrol)

{

Case service_control_stop:

{

Exitprocess (0 );

}

Break;

}

}

DWORD winapi threadfunc (pvoid PV)

{

Sleep (2*1000 );

Return terminateprocess (getcurrentprocess (), 1 );

}

Void winapi servicemain (DWORD dwnumservicesargs, pstr * ppcserviceargvectors)

{

Service_status_handle hservice = NULL;

// If the following is not initialized, the Service Manager cannot receive the message

Service_status srvstatus = {0 };

Outputdebugstringa ("Service Main .....");

Hservice = registerservicectrlhandlera ("winservice", servicehandler );

Srvstatus. dwservicetype = service_win32_own_process;

Srvstatus. dwcurrentstate = service_running;

// The Service accepts the stopped control. If you do not want others to stop your service, the following line of code can be deleted:

Srvstatus. dwcontrolsaccepted = service_accept_stop;

Setservicestatus (hservice, & srvstatus );

// This sentence is also very important. I didn't have this sentence at the beginning, and the service cannot be started.

Createthread (, threadfunc, 0); // The thread is just an example. After 2 seconds, the service automatically exits after it is started.

Return;

}

Int _ tmain (INT argc, _ tchar * argv [])

{

Service_table_entrya scarrtable [] =

{

{"Winservice", servicemain },

{Null, null}

};

Startservicectrldispatchera (scarrtable );

Return 0;

}
The above instances are for reference only.
You can use the following command line to register the compiled EXE:
SC create "windowsservice" binpath = "windowssrv.exe" // when the binpathpattern symbol is used, the system cannot register the service. Change windowssrv.exe to the full path of your own exe.