root/lib/util/mutex.c

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DEFINITIONS

This source file includes following definitions.
  1. register_mutex_handlers

   1 /* 
   2    Unix SMB/CIFS implementation.
   3    Samba mutex/lock functions
   4    Copyright (C) Andrew Tridgell 2003
   5    Copyright (C) James J Myers 2003
   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 #include "includes.h"
  21 #include "mutex.h"
  22 
  23 /**
  24  * @file
  25  * @brief Mutex utility functions
  26  */
  27          
  28 /* the registered mutex handlers */
  29 static struct {
  30         const char *name;
  31         struct mutex_ops ops;
  32 } mutex_handlers;
  33 
  34 /* read/write lock routines */
  35 
  36 
  37 /**
  38   register a set of mutex/rwlock handlers. 
  39   Should only be called once in the execution of smbd.
  40 */
  41 _PUBLIC_ bool register_mutex_handlers(const char *name, struct mutex_ops *ops)
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  42 {
  43         if (mutex_handlers.name != NULL) {
  44                 /* it's already registered! */
  45                 DEBUG(2,("mutex handler '%s' already registered - failed '%s'\n", 
  46                          mutex_handlers.name, name));
  47                 return false;
  48         }
  49 
  50         mutex_handlers.name = name;
  51         mutex_handlers.ops = *ops;
  52 
  53         DEBUG(2,("mutex handler '%s' registered\n", name));
  54         return true;
  55 }
  56 

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