source3/lib/global_contexts.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Global contexts
   4
   5    Copyright (C) Simo Sorce <idra@samba.org> 2010
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 */
  20
  21
  22 #include "replace.h"
  23 #include "global_contexts.h"
  24 #include <tevent.h>
  25 #include "lib/util/fault.h"
  26 #include "lib/util/samba_util.h"
  27 #include "messages.h"
  28
  29 static struct tevent_context *global_event_ctx = NULL;
  30
  31 struct tevent_context *global_event_context(void)
  32 {
  33         if (!global_event_ctx) {
  34                 /*
  35                  * Note we MUST use the NULL context here, not the
  36                  * autofree context, to avoid side effects in forked
  37                  * children exiting.
  38                  */
  39                 global_event_ctx = samba_tevent_context_init(NULL);
  40         }
  41         if (!global_event_ctx) {
  42                 smb_panic("Could not init global event context");
  43         }
  44         return global_event_ctx;
  45 }
  46
  47 void global_event_context_free(void)
  48 {
  49         TALLOC_FREE(global_event_ctx);
  50 }
  51
  52 static struct messaging_context *global_msg_ctx = NULL;
  53
  54 struct messaging_context *global_messaging_context(void)
  55 {
  56         if (global_msg_ctx == NULL) {
  57                 /*
  58                  * Note we MUST use the NULL context here, not the
  59                  * autofree context, to avoid side effects in forked
  60                  * children exiting.
  61                  */
  62                 global_msg_ctx = messaging_init(NULL,
  63                                                 global_event_context());
  64         }
  65         return global_msg_ctx;
  66 }
  67
  68 void global_messaging_context_free(void)
  69 {
  70         TALLOC_FREE(global_msg_ctx);
  71 }