Make the thread functions a bit easier to use
[ira/wip.git] / 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