.\" Copyright (c) 1983 The Regents of the University of California.
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.\" provided that the above copyright notice and this paragraph are
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.\" distribution and use acknowledge that the software was developed
.\" by the University of California, Berkeley. The name of the
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.\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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.\" @(#)listen.2 6.3 (Berkeley) %G%
listen \- listen for connections on a socket
To accept connections, a socket
a willingness to accept incoming connections and
a queue limit for incoming connections are specified with
and then the connections are
call applies only to sockets of type
parameter defines the maximum length the queue of
pending connections may grow to.
request arrives with the queue full the client may
receive an error with an indication of ECONNREFUSED,
or, if the underlying protocol supports retransmission,
the request may be ignored so that retries may succeed.
A 0 return value indicates success; \-1 indicates an error.
The argument \fIs\fP is not a valid descriptor.
The argument \fIs\fP is not a socket.
The socket is not of a type that supports the operation \fIlisten\fP.
accept(2), connect(2), socket(2)
is currently limited (silently) to 5.