blob: cafd916981d1c6e65e498f10f73625675c887a6c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
/* Copyright (C) 2006 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#if defined(__i386__) || defined(_MSC_VER) || \
defined(__x86_64__) || defined(HAVE_GCC_ATOMIC_BUILTINS)
# ifdef MY_ATOMIC_MODE_DUMMY
# define LOCK_prefix ""
# else
# define LOCK_prefix "lock"
# endif
# ifdef HAVE_GCC_ATOMIC_BUILTINS
# include "gcc_builtins.h"
# elif __GNUC__
# include "x86-gcc.h"
# elif defined(_MSC_VER)
# include "generic-msvc.h"
# endif
#endif
#ifdef make_atomic_cas_body
typedef char my_atomic_rwlock_t __attribute__ ((unused));
#define my_atomic_rwlock_destroy(name)
#define my_atomic_rwlock_init(name)
#define my_atomic_rwlock_rdlock(name)
#define my_atomic_rwlock_wrlock(name)
#define my_atomic_rwlock_rdunlock(name)
#define my_atomic_rwlock_wrunlock(name)
#endif
|
