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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_LINUX_H_ | 5 #ifndef VM_ATOMIC_LINUX_H_ |
6 #define VM_ATOMIC_LINUX_H_ | 6 #define VM_ATOMIC_LINUX_H_ |
7 | 7 |
8 #if !defined VM_ATOMIC_H_ | 8 #if !defined VM_ATOMIC_H_ |
9 #error Do not include atomic_linux.h directly. Use atomic.h instead. | 9 #error Do not include atomic_linux.h directly. Use atomic.h instead. |
10 #endif | 10 #endif |
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39 inline uintptr_t AtomicOperations::FetchAndDecrement(uintptr_t* p) { | 39 inline uintptr_t AtomicOperations::FetchAndDecrement(uintptr_t* p) { |
40 return __sync_fetch_and_sub(p, 1); | 40 return __sync_fetch_and_sub(p, 1); |
41 } | 41 } |
42 | 42 |
43 | 43 |
44 inline void AtomicOperations::DecrementBy(intptr_t* p, intptr_t value) { | 44 inline void AtomicOperations::DecrementBy(intptr_t* p, intptr_t value) { |
45 __sync_fetch_and_sub(p, value); | 45 __sync_fetch_and_sub(p, value); |
46 } | 46 } |
47 | 47 |
48 | 48 |
49 #if !defined(USING_SIMULATOR) | 49 #if !defined(USING_SIMULATOR_ATOMICS) |
50 inline uword AtomicOperations::CompareAndSwapWord(uword* ptr, | 50 inline uword AtomicOperations::CompareAndSwapWord(uword* ptr, |
51 uword old_value, | 51 uword old_value, |
52 uword new_value) { | 52 uword new_value) { |
53 return __sync_val_compare_and_swap(ptr, old_value, new_value); | 53 return __sync_val_compare_and_swap(ptr, old_value, new_value); |
54 } | 54 } |
55 | 55 |
56 | 56 |
57 inline uint32_t AtomicOperations::CompareAndSwapUint32(uint32_t* ptr, | 57 inline uint32_t AtomicOperations::CompareAndSwapUint32(uint32_t* ptr, |
58 uint32_t old_value, | 58 uint32_t old_value, |
59 uint32_t new_value) { | 59 uint32_t new_value) { |
60 return __sync_val_compare_and_swap(ptr, old_value, new_value); | 60 return __sync_val_compare_and_swap(ptr, old_value, new_value); |
61 } | 61 } |
62 #endif // !defined(USING_SIMULATOR) | 62 #endif // !defined(USING_SIMULATOR_ATOMICS) |
63 | 63 |
64 } // namespace dart | 64 } // namespace dart |
65 | 65 |
66 #endif // VM_ATOMIC_LINUX_H_ | 66 #endif // VM_ATOMIC_LINUX_H_ |
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