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
75