CSOCKET-NEXT-READ

isCOBOL Evolve : Appendices : Library Routines : C$SOCKET : CSOCKET-NEXT-READ

CSOCKET-NEXT-READ

This operation allows you to write multi-client servers. This operation waits until data is ready to be read from one of the sockets your server has created.

Syntax:

CALL "C$SOCKET" USING CSOCKET-NEXT-READ

serverHandle

timeout

GIVING socketHandle

Parameters:

CSOCKET-NEXT-READ	Constant
serverHandle	USAGE HANDLE	Handle of a server created by CSOCKET-CREATE-SERVER.
timeout	PIC S9(n)	Valid values:	-1 returns only when the socket is available.
			0 check and returns event if a socket is not available.
			>0 number of milliseconds to wait before returning.
socketHandle	USAGE HANDLE	Handle of the next readable socket, or zero if no socket is available.