xcall CGIUTL, CGIOP_GETREQ, status
Opcode 10, CGIOP_GETREQ, is used to support FastCGI.
Parameters
status (Num signed)
returns 0 if a request is available to process, or -1 if not, in which case the application should terminate.
Comments
For FastCGI mode requests after the first one for the instance of the application server, this call will sleep until a request is available or the web server tells us to exit, or an error occurs.