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.TH ARES_CANCEL 3 "31 March 2004"

.SH NAME

ares_cancel \- Cancel a resolve

.SH SYNOPSIS

.nf

#include <ares.h>

void ares_cancel(ares_channel \fIchannel\fP)

.fi

.SH DESCRIPTION

The \fBares_cancel(3)\fP function cancels all lookups/requests made on the the

name service channel identified by \fIchannel\fP.  \fBares_cancel(3)\fP

invokes the callbacks for each pending query on the channel, passing a status

of

.BR ARES_ECANCELLED .

These calls give the callbacks a chance to clean up any state which might have

been stored in their arguments. If such a callback invocation adds a new

request to the channel, that request will \fInot\fP be cancelled by the

current invocation of \fBares_cancel(3)\fP.

.SH SEE ALSO

.BR ares_init (3)

.BR ares_destroy (3)

.SH NOTES

This function was added in c-ares 1.2.0

c-ares 1.6.0 and earlier pass a status of

.BR ARES_ETIMEOUT

instead of

.BR ARES_ECANCELLED .

.SH AUTHOR

Dirk Manske