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- .\" Copyright 1998 by the Massachusetts Institute of Technology.
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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
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