lib/util/smb_threads_internal.h

   1 /*
   2         SMB/CIFS implementation.
   3         SMB thread interface internal macros.
   4         Copyright (C) Jeremy Allison, 2009.
   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 _smb_threads_internal_h_
  21 #define _smb_threads_internal_h_
  22
  23 #define SMB_THREAD_CREATE_MUTEX(name, lockvar) \
  24         (global_tfp ? global_tfp->create_mutex((name), &(lockvar), __location__) : 0)
  25
  26 #define SMB_THREAD_DESTROY_MUTEX(plock) \
  27         do { \
  28                 if (global_tfp) { \
  29                         global_tfp->destroy_mutex(plock, __location__); \
  30                 }; \
  31         } while (0)
  32
  33 #define SMB_THREAD_LOCK_INTERNAL(plock, type, location) \
  34         (global_tfp ? global_tfp->lock_mutex((plock), (type), location) : 0)
  35
  36 #define SMB_THREAD_LOCK(plock) \
  37         SMB_THREAD_LOCK_INTERNAL(plock, SMB_THREAD_LOCK, __location__)
  38
  39 #define SMB_THREAD_UNLOCK(plock) \
  40         SMB_THREAD_LOCK_INTERNAL(plock, SMB_THREAD_UNLOCK, __location__)
  41
  42 #define SMB_THREAD_ONCE(ponce, init_fn, pdata)                  \
  43         (global_tfp                                             \
  44          ? (! *(ponce)                                          \
  45             ? smb_thread_once((ponce), (init_fn), (pdata))      \
  46             : 0)                                                \
  47          : ((init_fn(pdata)), *(ponce) = true, 1))
  48
  49 #define SMB_THREAD_CREATE_TLS(keyname, key) \
  50         (global_tfp ? global_tfp->create_tls((keyname), &(key), __location__) : 0)
  51
  52 #define SMB_THREAD_DESTROY_TLS(key) \
  53         do { \
  54                 if (global_tfp) { \
  55                         global_tfp->destroy_tls(&(key), __location__); \
  56                 }; \
  57         } while (0)
  58
  59 #define SMB_THREAD_SET_TLS(key, val) \
  60         (global_tfp ? global_tfp->set_tls((key),(val),__location__) : \
  61                 ((key) = (val), 0))
  62
  63 #define SMB_THREAD_GET_TLS(key) \
  64         (global_tfp ? global_tfp->get_tls((key), __location__) : (key))
  65
  66 /*
  67  * Global thread lock list.
  68  */
  69
  70 #define NUM_GLOBAL_LOCKS 1
  71
  72 #define GLOBAL_LOCK(locknum) (global_lock_array ? global_lock_array[(locknum)] : NULL)
  73
  74 #endif