mdw@git.distorted.org.uk Git - adns/blob - src/adns-mt.h

   1 /*
   2  * adnsmt.h
   3  * - adns multi-threaded API
   4  */
   5 /*
   6  *  This file is part of adns, which is Copyright (C) 1997-1999 Ian Jackson
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; either version 2, or (at your option)
  11  *  any later version.
  12  *
  13  *  This program is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License
  19  *  along with this program; if not, write to the Free Software Foundation,
  20  *  Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  21  *
  22  *  $Id$
  23  */
  24
  25 #ifndef ADNSMT_H_INCLUDED
  26 #define ADNSMT_H_INCLUDED
  27
  28 #include <adns.h>
  29
  30 typedef struct adns_mt__state *adns_mt_state;
  31 typedef struct adns_mt__query *adns_mt_query;
  32
  33 int adns_mt_init(adns_mt_state *newstate_r, adns_initflags flags,
  34                  FILE *diagfile /*0=>stderr*/);
  35
  36 int adns_mt_init_strcfg(adns_mt_state *newstate_r, adns_initflags flags,
  37                         FILE *diagfile /*0=>discard*/, const char *configtext);
  38
  39 int adns_mt_synchronous(adns_mt_state adts,
  40                         const char *owner,
  41                         adns_rrtype type,
  42                         adns_queryflags flags,
  43                         adns_answer **answer_r);
  44
  45 int adns_mt_submit(adns_mt_state adts,
  46                    const char *owner,
  47                    adns_rrtype type,
  48                    adns_queryflags flags,
  49                    void *context,
  50                    adns_mt_query *query_r);
  51
  52 int adns_mt_wait(adns_mt_state adts,
  53                  adns_mt_query *query_io,
  54                  adns_answer **answer_r,
  55                  void **context_r);
  56
  57 void adns_mt_cancel(adns_mt_query query);
  58 /* Do not cancel a query while another thread is waiting for it ! */
  59
  60 void adns_mt_finish(adns_mt_state);
  61 /* You may call this even if you have queries outstanding;
  62  * they will be cancelled.  NB the comment about _mt_cancel above.
  63  */
  64
  65 #endif