source3/lib/tevent_wait.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Implement a send/recv interface to wait for an external trigger
   4    Copyright (C) Volker Lendecke 2012
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20 #include "lib/replace/replace.h"
  21 #include "talloc.h"
  22 #include "tevent.h"
  23 #include "tevent_wait.h"
  24 #include "lib/util/tevent_unix.h"
  25
  26 struct tevent_wait_state {
  27         uint8_t _dummy_;
  28 };
  29
  30 struct tevent_req *tevent_wait_send(TALLOC_CTX *mem_ctx,
  31                                     struct tevent_context *ev)
  32 {
  33         struct tevent_req *req;
  34         struct tevent_wait_state *state;
  35
  36         req = tevent_req_create(mem_ctx, &state, struct tevent_wait_state);
  37         if (req == NULL) {
  38                 return NULL;
  39         }
  40
  41         tevent_req_defer_callback(req, ev);
  42         return req;
  43 }
  44
  45 void tevent_wait_done(struct tevent_req *req)
  46 {
  47         if (req == NULL) {
  48                 return;
  49         }
  50
  51         tevent_req_done(req);
  52 }
  53
  54 int tevent_wait_recv(struct tevent_req *req)
  55 {
  56         return tevent_req_simple_recv_unix(req);
  57 }