1 /***************************************************************************************************
2
3 Zyan Core Library (Zyan-C)
4
5 Original Author : Florian Bernd
6
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be included in all
15 * copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 * SOFTWARE.
24
25 ***************************************************************************************************/
26
27 #ifndef ZYCORE_ATOMIC_MSVC_H
28 #define ZYCORE_ATOMIC_MSVC_H
29
30 #ifdef __cplusplus
31 extern "C" {
32 #endif
33
34 #include <Windows.h>
35
36 #include <Zycore/Defines.h>
37 #include <Zycore/Types.h>
38
39 /* ============================================================================================== */
40 /* Functions */
41 /* ============================================================================================== */
42
43 #if defined(ZYAN_MSVC)
44
45 /* ---------------------------------------------------------------------------------------------- */
46 /* Pointer sized */
47 /* ---------------------------------------------------------------------------------------------- */
48
49 #if defined(ZYAN_X86)
50
ZyanAtomicCompareExchange(ZyanAtomicPointer * destination,ZyanUPointer comparand,ZyanUPointer value)51 static ZYAN_INLINE ZyanUPointer ZyanAtomicCompareExchange(ZyanAtomicPointer* destination,
52 ZyanUPointer comparand, ZyanUPointer value)
53 {
54 return (ZyanUPointer)ZyanAtomicCompareExchange32((ZyanAtomic32*)destination, comparand, value);
55 }
56
ZyanAtomicIncrement(ZyanAtomicPointer * destination)57 static ZYAN_INLINE ZyanUPointer ZyanAtomicIncrement(ZyanAtomicPointer* destination)
58 {
59 return (ZyanUPointer)ZyanAtomicIncrement32((ZyanAtomic32*)destination);
60 }
61
ZyanAtomicDecrement(ZyanAtomicPointer * destination)62 static ZYAN_INLINE ZyanUPointer ZyanAtomicDecrement(ZyanAtomicPointer* destination)
63 {
64 return (ZyanUPointer)ZyanAtomicDecrement32((ZyanAtomic32*)destination);
65 }
66
67 #elif defined(ZYAN_X64)
68
69 static ZYAN_INLINE ZyanUPointer ZyanAtomicCompareExchange(ZyanAtomicPointer* destination,
70 ZyanUPointer comparand, ZyanUPointer value)
71 {
72 return (ZyanUPointer)ZyanAtomicCompareExchange64((ZyanAtomic64*)destination, comparand, value);
73 }
74
75 static ZYAN_INLINE ZyanUPointer ZyanAtomicIncrement(ZyanAtomicPointer* destination)
76 {
77 return (ZyanUPointer)ZyanAtomicIncrement64((ZyanAtomic64*)destination);
78 }
79
80 static ZYAN_INLINE ZyanUPointer ZyanAtomicDecrement(ZyanAtomicPointer* destination)
81 {
82 return (ZyanUPointer)ZyanAtomicDecrement64((ZyanAtomic64*)destination);
83 }
84
85 #else
86 # error "Unsupported architecture detected"
87 #endif
88
89 /* ---------------------------------------------------------------------------------------------- */
90 /* 32-bit */
91 /* ---------------------------------------------------------------------------------------------- */
92
ZyanAtomicCompareExchange32(ZyanAtomic32 * destination,ZyanU32 comparand,ZyanU32 value)93 static ZYAN_INLINE ZyanU32 ZyanAtomicCompareExchange32(ZyanAtomic32* destination,
94 ZyanU32 comparand, ZyanU32 value)
95 {
96 return (ZyanU32)(_InterlockedCompareExchange((volatile LONG*)&(destination->value),
97 (LONG)value, (LONG)comparand));
98 }
99
ZyanAtomicIncrement32(ZyanAtomic32 * destination)100 static ZYAN_INLINE ZyanU32 ZyanAtomicIncrement32(ZyanAtomic32* destination)
101 {
102 return (ZyanU32)(_InterlockedIncrement((volatile LONG*)&(destination->value)));
103 }
104
ZyanAtomicDecrement32(ZyanAtomic32 * destination)105 static ZYAN_INLINE ZyanU32 ZyanAtomicDecrement32(ZyanAtomic32* destination)
106 {
107 return (ZyanU32)(_InterlockedDecrement((volatile LONG*)&(destination->value)));
108 }
109
110 /* ---------------------------------------------------------------------------------------------- */
111 /* 64-bit */
112 /* ---------------------------------------------------------------------------------------------- */
113
ZyanAtomicCompareExchange64(ZyanAtomic64 * destination,ZyanU64 comparand,ZyanU64 value)114 static ZYAN_INLINE ZyanU64 ZyanAtomicCompareExchange64(ZyanAtomic64* destination,
115 ZyanU64 comparand, ZyanU64 value)
116 {
117 return (ZyanU64)(_InterlockedCompareExchange64((volatile LONG64*)&(destination->value),
118 (LONG64)value, (LONG64)comparand));
119 }
120
ZyanAtomicIncrement64(ZyanAtomic64 * destination)121 static ZYAN_INLINE ZyanU64 ZyanAtomicIncrement64(ZyanAtomic64* destination)
122 {
123 return (ZyanU64)(_InterlockedIncrement64((volatile LONG64*)&(destination->value)));
124 }
125
ZyanAtomicDecrement64(ZyanAtomic64 * destination)126 static ZYAN_INLINE ZyanU64 ZyanAtomicDecrement64(ZyanAtomic64* destination)
127 {
128 return (ZyanU64)(_InterlockedDecrement64((volatile LONG64*)&(destination->value)));
129 }
130
131 /* ---------------------------------------------------------------------------------------------- */
132
133 #endif
134
135 /* ============================================================================================== */
136
137 #ifdef __cplusplus
138 }
139 #endif
140
141 #endif /* ZYCORE_ATOMIC_MSVC_H */
142