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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #ifndef VM_ATOMIC_MACOS_H_ | 5 #ifndef VM_ATOMIC_MACOS_H_ |
6 #define VM_ATOMIC_MACOS_H_ | 6 #define VM_ATOMIC_MACOS_H_ |
7 | 7 |
8 #if !defined VM_ATOMIC_H_ | 8 #if !defined VM_ATOMIC_H_ |
9 #error Do not include atomic_macos.h directly. Use atomic.h instead. | 9 #error Do not include atomic_macos.h directly. Use atomic.h instead. |
10 #endif | 10 #endif |
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34 inline uintptr_t AtomicOperations::FetchAndDecrement(uintptr_t* p) { | 34 inline uintptr_t AtomicOperations::FetchAndDecrement(uintptr_t* p) { |
35 return __sync_fetch_and_sub(p, 1); | 35 return __sync_fetch_and_sub(p, 1); |
36 } | 36 } |
37 | 37 |
38 | 38 |
39 inline void AtomicOperations::DecrementBy(intptr_t* p, intptr_t value) { | 39 inline void AtomicOperations::DecrementBy(intptr_t* p, intptr_t value) { |
40 __sync_fetch_and_sub(p, value); | 40 __sync_fetch_and_sub(p, value); |
41 } | 41 } |
42 | 42 |
43 | 43 |
44 #if !defined(USING_SIMULATOR) | 44 #if !defined(USING_SIMULATOR_ATOMICS) |
45 inline uword AtomicOperations::CompareAndSwapWord(uword* ptr, | 45 inline uword AtomicOperations::CompareAndSwapWord(uword* ptr, |
46 uword old_value, | 46 uword old_value, |
47 uword new_value) { | 47 uword new_value) { |
48 return __sync_val_compare_and_swap(ptr, old_value, new_value); | 48 return __sync_val_compare_and_swap(ptr, old_value, new_value); |
49 } | 49 } |
50 | 50 |
51 | 51 |
52 inline uint32_t AtomicOperations::CompareAndSwapUint32(uint32_t* ptr, | 52 inline uint32_t AtomicOperations::CompareAndSwapUint32(uint32_t* ptr, |
53 uint32_t old_value, | 53 uint32_t old_value, |
54 uint32_t new_value) { | 54 uint32_t new_value) { |
55 return __sync_val_compare_and_swap(ptr, old_value, new_value); | 55 return __sync_val_compare_and_swap(ptr, old_value, new_value); |
56 } | 56 } |
57 #endif // !defined(USING_SIMULATOR) | 57 #endif // !defined(USING_SIMULATOR_ATOMICS) |
58 | 58 |
59 } // namespace dart | 59 } // namespace dart |
60 | 60 |
61 #endif // VM_ATOMIC_MACOS_H_ | 61 #endif // VM_ATOMIC_MACOS_H_ |
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