IPC/socket QUESTION...

[Les Hill]

In article <1991Feb8.150520.5678 at en.ecn.purdue.edu>, hoff at en.ecn.purdue.edu (Michael Hoefflinger) writes:
|>    --> The question is how do I make this accept() call NON-BLOCKING?  In
|>        other words, if there are no clients waiting to connect, I would
|>        like accept() to return with errno=EWOULDBLOCK instead of blocking
|>        until someone wants to connect.
|> Michael Hoefflinger
|> uxg at fugue.cc.purdue.edu  (NeXT)

--> The answer is to use fcntl() (or perhaps ioctl() on your machine) and set
	the socket's descriptor to non-blocking.  Under SunOS4.1.1 I would do
	either
		rc = fcntl(socket,F_SETFL,O_NDELAY);
	or
		rc = fcntl(socket,F_SETFL,FNDELAY);

	both of which will do the Right Thing (tm).

Les Hill
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