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'\" t
.\" Title: xs_close
.\" Author: [see the "AUTHORS" section]
.\" Generator: DocBook XSL Stylesheets v1.75.2 <http://docbook.sf.net/>
.\" Date: 06/13/2012
.\" Manual: Crossroads I/O Manual
.\" Source: Crossroads I/O 1.2.0
.\" Language: English
.\"
.TH "XS_CLOSE" "3" "06/13/2012" "Crossroads I/O 1\&.2\&.0" "Crossroads I/O Manual"
.\" -----------------------------------------------------------------
.\" * Define some portability stuff
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.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
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.ie \n(.g .ds Aq \(aq
.el .ds Aq '
.\" -----------------------------------------------------------------
.\" * set default formatting
.\" -----------------------------------------------------------------
.\" disable hyphenation
.nh
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.ad l
.\" -----------------------------------------------------------------
.\" * MAIN CONTENT STARTS HERE *
.\" -----------------------------------------------------------------
.SH "NAME"
xs_close \- close Crossroads socket
.SH "SYNOPSIS"
.sp
\fBint xs_close (void \fR\fB\fI*socket\fR\fR\fB);\fR
.SH "DESCRIPTION"
.sp
The \fIxs_close()\fR function shall destroy the socket referenced by the \fIsocket\fR argument\&. Any outstanding messages physically received from the network but not yet received by the application with \fIxs_recv()\fR shall be discarded\&. The behaviour for discarding messages sent by the application with \fIxs_send()\fR but not yet physically transferred to the network depends on the value of the \fIXS_LINGER\fR socket option for the specified \fIsocket\fR\&.
.if n \{\
.sp
.\}
.RS 4
.it 1 an-trap
.nr an-no-space-flag 1
.nr an-break-flag 1
.br
.ps +1
\fBNote\fR
.ps -1
.br
.sp
The default setting of \fIXS_LINGER\fR does not discard unsent messages; this behaviour may cause the application to block when calling \fIxs_term()\fR\&. For details refer to \fBxs_setsockopt\fR(3) and \fBxs_term\fR(3)\&.
.sp .5v
.RE
.SH "RETURN VALUE"
.sp
The \fIxs_close()\fR function shall return zero if successful\&. Otherwise it shall return \-1 and set \fIerrno\fR to one of the values defined below\&.
.SH "ERRORS"
.PP
\fBENOTSOCK\fR
.RS 4
The provided
\fIsocket\fR
was invalid\&.
.RE
.SH "SEE ALSO"
.sp
\fBxs_socket\fR(3) \fBxs_term\fR(3) \fBxs_setsockopt\fR(3) \fBxs\fR(7)
.SH "AUTHORS"
.sp
The Crossroads documentation was written by Martin Sustrik <\m[blue]\fBsustrik@250bpm\&.com\fR\m[]\&\s-2\u[1]\d\s+2> and Martin Lucina <\m[blue]\fBmartin@lucina\&.net\fR\m[]\&\s-2\u[2]\d\s+2>\&.
.SH "NOTES"
.IP " 1." 4
sustrik@250bpm.com
.RS 4
\%mailto:sustrik@250bpm.com
.RE
.IP " 2." 4
martin@lucina.net
.RS 4
\%mailto:martin@lucina.net
.RE
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