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CentOS 7.0 - man page for ares_cancel (centos section 3)

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ARES_CANCEL(3)									   ARES_CANCEL(3)

NAME
       ares_cancel - Cancel a resolve

SYNOPSIS
       #include <ares.h>

       void ares_cancel(ares_channel channel)

DESCRIPTION
       The ares_cancel function cancels all lookups/requests made on the the name service channel
       identified by channel.  ares_cancel invokes the callbacks for each pending  query  on  the
       channel,  passing a status of 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 not be cancelled by the
       current invocation of ares_cancel.

SEE ALSO
       ares_init(3) ares_destroy(3)

NOTES
       This function was added in c-ares 1.2.0

       c-ares 1.6.0 and earlier pass a status of ARES_ETIMEOUT instead of ARES_ECANCELLED.

AUTHOR
       Dirk Manske

					  31 March 2004 			   ARES_CANCEL(3)
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