lib/util/tevent_coroutine.h

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    Coroutine abstraction for tevent.
   5
   6    Copyright (C) Stefan Metzmacher 2009
   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 3 of the License, or
  11    (at your option) 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, see <http://www.gnu.org/licenses/>.
  20 */
  21
  22 #ifndef _TEVENT_COROUTINE_H_
  23 #define _TEVENT_COROUTINE_H_
  24
  25 struct tevent_coroutine;
  26 struct tevent_coroutine_result;
  27
  28 typedef struct tevent_coroutine_result *(*tevent_coroutine_fn_t)(
  29                                 struct tevent_coroutine *co,
  30                                 struct tevent_context *ev,
  31                                 void *private_data);
  32
  33 struct tevent_coroutine *_tevent_coroutine_create(
  34                               struct tevent_req *req,
  35                               struct tevent_context *ev,
  36                               tevent_coroutine_fn_t fn,
  37                               const char *location);
  38 #define tevent_coroutine_create(req, ev, fn) \
  39         _tevent_coroutine_create(req, ev, fn, __location__)
  40
  41 bool _tevent_coroutine_yield(struct tevent_coroutine *tco,
  42                              struct tevent_req *subreq,
  43                              const char *location);
  44 #define tevent_coroutine_yield(tco, subreq) \
  45         _tevent_coroutine_yield(tco, subreq, __location__)
  46
  47 void _tevent_coroutine_done(struct tevent_coroutine *tco,
  48                             const char *location);
  49 #define tevent_coroutine_done(tco) \
  50         _tevent_coroutine_done(tco, __location__) \
  51
  52 bool _tevent_coroutine_nomem(const void *ptr,
  53                              struct tevent_coroutine *tco,
  54                              const char *location);
  55 #define tevent_coroutine_nomem(ptr, tco) \
  56         _tevent_coroutine_nomem(ptr, tco, __location__)
  57
  58 bool _tevent_coroutine_error(struct tevent_coroutine *tco,
  59                              uint64_t error,
  60                              const char *location);
  61 #define tevent_coroutine_error(tco, error) \
  62         _tevent_coroutine_error(tco, error, __location__)
  63
  64 struct tevent_coroutine_result *_tevent_coroutine_return(
  65                         struct tevent_coroutine *tco,
  66                         const char *location);
  67 #define tevent_coroutine_return(tco) \
  68         _tevent_coroutine_return(tco, __location__)
  69
  70 #endif /* _TEVENT_COROUTINE_H_ */
  71