source3/lib/background.h

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Regular background jobs as forked helpers
   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 #ifndef _LIB_BACKGROUND_H_
  21 #define _LIB_BACKGROUND_H_
  22
  23 #include "replace.h"
  24 #include <tevent.h>
  25 #include "libcli/util/ntstatus.h"
  26
  27 struct messaging_context;
  28
  29 /*
  30  * From a parent process regularly fork a process and execute fn(). fn()
  31  * returns the number of seconds to wait before it is run next time. Returning
  32  * -1 means stop the job.
  33  */
  34
  35 struct tevent_req *background_job_send(TALLOC_CTX *mem_ctx,
  36                                        struct tevent_context *ev,
  37                                        struct messaging_context *msg,
  38                                        uint32_t *trigger_msgs,
  39                                        size_t num_trigger_msgs,
  40                                        time_t initial_wait_sec,
  41                                        int (*fn)(void *private_data),
  42                                        void *private_data);
  43 NTSTATUS background_job_recv(struct tevent_req *req);
  44
  45 #endif