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
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
/* winbase.h
Copyright 2002, 2003, 2004 Red Hat, Inc.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
#include_next "winbase.h"
#ifndef _WINBASE2_H
#define _WINBASE2_H
extern __inline__ long
ilockincr (long *m)
{
register int __res;
__asm__ __volatile__ ("\n\
movl $1,%0\n\
lock xadd %0,%1\n\
inc %0\n\
": "=r" (__res), "=m" (*m): "m" (*m): "cc");
return __res;
}
extern __inline__ long
ilockdecr (long *m)
{
register int __res;
__asm__ __volatile__ ("\n\
movl $0xffffffff,%0\n\
lock xadd %0,%1\n\
dec %0\n\
": "=r" (__res), "=m" (*m): "m" (*m): "cc");
return __res;
}
extern __inline__ long
ilockexch (long *t, long v)
{
register int __res;
__asm__ __volatile__ ("\n\
1: lock cmpxchgl %3,(%1)\n\
jne 1b\n\
": "=a" (__res), "=q" (t): "1" (t), "q" (v), "0" (*t): "cc");
return __res;
}
extern __inline__ long
ilockcmpexch (long *t, long v, long c)
{
register int __res;
__asm__ __volatile__ ("\n\
lock cmpxchgl %3,(%1)\n\
": "=a" (__res), "=q" (t) : "1" (t), "q" (v), "0" (c): "cc");
return __res;
}
#undef InterlockedIncrement
#define InterlockedIncrement ilockincr
#undef InterlockedDecrement
#define InterlockedDecrement ilockdecr
#undef InterlockedExchange
#define InterlockedExchange ilockexch
#undef InterlockedCompareExchange
#define InterlockedCompareExchange ilockcmpexch
#endif /*_WINBASE2_H*/
|
