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Diffstat (limited to 'src/c-ares/ares_cancel.3')
-rw-r--r-- | src/c-ares/ares_cancel.3 | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/c-ares/ares_cancel.3 b/src/c-ares/ares_cancel.3 new file mode 100644 index 000000000..1a2d3f584 --- /dev/null +++ b/src/c-ares/ares_cancel.3 @@ -0,0 +1,46 @@ +.\" +.\" Copyright 1998 by the Massachusetts Institute of Technology. +.\" +.\" Permission to use, copy, modify, and distribute this +.\" software and its documentation for any purpose and without +.\" fee is hereby granted, provided that the above copyright +.\" notice appear in all copies and that both that copyright +.\" notice and this permission notice appear in supporting +.\" documentation, and that the name of M.I.T. not be used in +.\" advertising or publicity pertaining to distribution of the +.\" software without specific, written prior permission. +.\" M.I.T. makes no representations about the suitability of +.\" this software for any purpose. It is provided "as is" +.\" without express or implied warranty. +.\" +.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 |