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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 RUNTIME_VM_ATOMIC_LINUX_H_ | 5 #ifndef RUNTIME_VM_ATOMIC_LINUX_H_ |
6 #define RUNTIME_VM_ATOMIC_LINUX_H_ | 6 #define RUNTIME_VM_ATOMIC_LINUX_H_ |
7 | 7 |
8 #if !defined RUNTIME_VM_ATOMIC_H_ | 8 #if !defined RUNTIME_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 |
11 | 11 |
12 #if !defined(HOST_OS_LINUX) | 12 #if !defined(HOST_OS_LINUX) |
13 #error This file should only be included on Linux builds. | 13 #error This file should only be included on Linux builds. |
14 #endif | 14 #endif |
15 | 15 |
16 namespace dart { | 16 namespace dart { |
17 | 17 |
18 | |
19 inline uintptr_t AtomicOperations::FetchAndIncrement(uintptr_t* p) { | 18 inline uintptr_t AtomicOperations::FetchAndIncrement(uintptr_t* p) { |
20 return __sync_fetch_and_add(p, 1); | 19 return __sync_fetch_and_add(p, 1); |
21 } | 20 } |
22 | 21 |
23 | |
24 inline intptr_t AtomicOperations::FetchAndIncrement(intptr_t* p) { | 22 inline intptr_t AtomicOperations::FetchAndIncrement(intptr_t* p) { |
25 return __sync_fetch_and_add(p, 1); | 23 return __sync_fetch_and_add(p, 1); |
26 } | 24 } |
27 | 25 |
28 | |
29 inline void AtomicOperations::IncrementBy(intptr_t* p, intptr_t value) { | 26 inline void AtomicOperations::IncrementBy(intptr_t* p, intptr_t value) { |
30 __sync_fetch_and_add(p, value); | 27 __sync_fetch_and_add(p, value); |
31 } | 28 } |
32 | 29 |
33 | |
34 inline void AtomicOperations::IncrementInt64By(int64_t* p, int64_t value) { | 30 inline void AtomicOperations::IncrementInt64By(int64_t* p, int64_t value) { |
35 __sync_fetch_and_add(p, value); | 31 __sync_fetch_and_add(p, value); |
36 } | 32 } |
37 | 33 |
38 | |
39 inline uintptr_t AtomicOperations::FetchAndDecrement(uintptr_t* p) { | 34 inline uintptr_t AtomicOperations::FetchAndDecrement(uintptr_t* p) { |
40 return __sync_fetch_and_sub(p, 1); | 35 return __sync_fetch_and_sub(p, 1); |
41 } | 36 } |
42 | 37 |
43 | |
44 inline intptr_t AtomicOperations::FetchAndDecrement(intptr_t* p) { | 38 inline intptr_t AtomicOperations::FetchAndDecrement(intptr_t* p) { |
45 return __sync_fetch_and_sub(p, 1); | 39 return __sync_fetch_and_sub(p, 1); |
46 } | 40 } |
47 | 41 |
48 | |
49 inline void AtomicOperations::DecrementBy(intptr_t* p, intptr_t value) { | 42 inline void AtomicOperations::DecrementBy(intptr_t* p, intptr_t value) { |
50 __sync_fetch_and_sub(p, value); | 43 __sync_fetch_and_sub(p, value); |
51 } | 44 } |
52 | 45 |
53 | |
54 #if !defined(USING_SIMULATOR_ATOMICS) | 46 #if !defined(USING_SIMULATOR_ATOMICS) |
55 inline uword AtomicOperations::CompareAndSwapWord(uword* ptr, | 47 inline uword AtomicOperations::CompareAndSwapWord(uword* ptr, |
56 uword old_value, | 48 uword old_value, |
57 uword new_value) { | 49 uword new_value) { |
58 return __sync_val_compare_and_swap(ptr, old_value, new_value); | 50 return __sync_val_compare_and_swap(ptr, old_value, new_value); |
59 } | 51 } |
60 | 52 |
61 | |
62 inline uint32_t AtomicOperations::CompareAndSwapUint32(uint32_t* ptr, | 53 inline uint32_t AtomicOperations::CompareAndSwapUint32(uint32_t* ptr, |
63 uint32_t old_value, | 54 uint32_t old_value, |
64 uint32_t new_value) { | 55 uint32_t new_value) { |
65 return __sync_val_compare_and_swap(ptr, old_value, new_value); | 56 return __sync_val_compare_and_swap(ptr, old_value, new_value); |
66 } | 57 } |
67 #endif // !defined(USING_SIMULATOR_ATOMICS) | 58 #endif // !defined(USING_SIMULATOR_ATOMICS) |
68 | 59 |
69 } // namespace dart | 60 } // namespace dart |
70 | 61 |
71 #endif // RUNTIME_VM_ATOMIC_LINUX_H_ | 62 #endif // RUNTIME_VM_ATOMIC_LINUX_H_ |
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