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
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
|
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
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
|
#endif
#ifdef OF_HAVE_LIBKERN_OSATOMIC_H
# include <libkern/OSAtomic.h>
#endif
static OF_INLINE int32_t
of_atomic_add32(volatile int32_t *p, int32_t i)
of_atomic_add_32(volatile int32_t *p, int32_t i)
{
#if !defined(OF_THREADS)
return (*p += i);
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
return __sync_add_and_fetch(p, i);
#elif defined(OF_HAVE_LIBKERN_OSATOMIC_H)
return OSAtomicAdd32Barrier(i, p);
#endif
}
static OF_INLINE int32_t
of_atomic_sub32(volatile int32_t *p, int32_t i)
of_atomic_sub_32(volatile int32_t *p, int32_t i)
{
#if !defined(OF_THREADS)
return (*p -= i);
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
return __sync_sub_and_fetch(p, i);
#elif defined(OF_HAVE_LIBKERN_OSATOMIC_H)
return OSAtomicAdd32Barrier(-i, p);
#endif
}
static OF_INLINE int32_t
of_atomic_inc32(volatile int32_t *p)
of_atomic_inc_32(volatile int32_t *p)
{
#if !defined(OF_THREADS)
return ++*p;
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
return __sync_add_and_fetch(p, 1);
#elif defined(OF_HAVE_LIBKERN_OSATOMIC_H)
return OSAtomicIncrement32Barrier(p);
#endif
}
static OF_INLINE int32_t
of_atomic_dec32(volatile int32_t *p)
of_atomic_dec_32(volatile int32_t *p)
{
#if !defined(OF_THREADS)
return --*p;
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
return __sync_sub_and_fetch(p, 1);
#elif defined(OF_HAVE_LIBKERN_OSATOMIC_H)
return OSAtomicDecrement32Barrier(p);
#endif
}
static OF_INLINE uint32_t
of_atomic_or32(volatile uint32_t *p, uint32_t i)
of_atomic_or_32(volatile uint32_t *p, uint32_t i)
{
#if !defined(OF_THREADS)
return (*p |= i);
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
return __sync_or_and_fetch(p, i);
#elif defined(OF_HAVE_LIBKERN_OSATOMIC_H)
return OSAtomicOr32Barrier(i, p);
#endif
}
static OF_INLINE uint32_t
of_atomic_and32(volatile uint32_t *p, uint32_t i)
of_atomic_and_32(volatile uint32_t *p, uint32_t i)
{
#if !defined(OF_THREADS)
return (*p &= i);
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
return __sync_and_and_fetch(p, i);
#elif defined(OF_HAVE_LIBKERN_OSATOMIC_H)
return OSAtomicAnd32Barrier(i, p);
#endif
}
static OF_INLINE uint32_t
of_atomic_xor32(volatile uint32_t *p, uint32_t i)
of_atomic_xor_32(volatile uint32_t *p, uint32_t i)
{
#if !defined(OF_THREADS)
return (*p ^= i);
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
return __sync_xor_and_fetch(p, i);
#elif defined(OF_HAVE_LIBKERN_OSATOMIC_H)
return OSAtomicXor32Barrier(i, p);
#endif
}
static OF_INLINE BOOL
of_atomic_cmpswap32(volatile int32_t *p, int32_t o, int32_t n)
of_atomic_cmpswap_32(volatile int32_t *p, int32_t o, int32_t n)
{
#if !defined(OF_THREADS)
if (*p == o) {
*p = n;
return YES;
}
return NO;
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
return __sync_bool_compare_and_swap(p, o, n);
#elif defined(OF_HAVE_LIBKERN_OSATOMIC_H)
return OSAtomicCompareAndSwap32Barrier(o, n, p);
#endif
}
static OF_INLINE BOOL
of_atomic_cmpswap_ptr(void* volatile *p, void *o, void *n)
{
#if !defined(OF_THREADS)
if (*p == o) {
*p = n;
return YES;
}
return NO;
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
return __sync_bool_compare_and_swap(p, o, n);
#elif defined(OF_HAVE_LIBKERN_OSATOMIC_H)
return OSAtomicCompareAndSwapPtrBarrier(o, n, p);
#endif
}
|