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45 lines
1.5 KiB
Groff
45 lines
1.5 KiB
Groff
.\" $Id$
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.\"
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.\" Copyright 1998 by the Massachusetts Institute of Technology.
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.\"
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.\" Permission to use, copy, modify, and distribute this
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.\" software and its documentation for any purpose and without
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.\" fee is hereby granted, provided that the above copyright
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.\" notice appear in all copies and that both that copyright
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.\" notice and this permission notice appear in supporting
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.\" documentation, and that the name of M.I.T. not be used in
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.\" advertising or publicity pertaining to distribution of the
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.\" software without specific, written prior permission.
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.\" M.I.T. makes no representations about the suitability of
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.\" this software for any purpose. It is provided "as is"
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.\" without express or implied warranty.
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.\"
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.TH ARES_CANCEL 3 "31 March 2004"
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.SH NAME
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ares_cancel \- Cancel a resolve
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.SH SYNOPSIS
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.nf
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.B #include <ares.h>
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.PP
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.B void ares_cancel(ares_channel \fIchannel\fP)
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.fi
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.SH DESCRIPTION
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The \fBares_cancel\fP function cancels all lookups/requests made on the the
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name service channel identified by \fIchannel\fP. \fBares_cancel\fP invokes
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the callbacks for each pending query on the channel, passing a status of
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.BR ARES_ECANCELLED .
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These calls give the callbacks a chance to clean up any state which
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might have been stored in their arguments.
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.SH SEE ALSO
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.BR ares_init (3)
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.BR ares_destroy (3)
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.SH NOTES
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This function was added in c-ares 1.2.0
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c-ares 1.6.0 and earlier pass a status of
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.BR ARES_ETIMEOUT
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instead of
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.BR ARES_ECANCELLED .
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.SH AUTHOR
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Dirk Manske
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