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1 // Copyright 2015 the V8 project authors. All rights reserved. | 1 // Copyright 2015 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/v8.h" | 5 #include "src/runtime/runtime-utils.h" |
6 | 6 |
7 #include "src/arguments.h" | 7 #include "src/arguments.h" |
8 #include "src/base/macros.h" | 8 #include "src/base/macros.h" |
9 #include "src/base/platform/mutex.h" | 9 #include "src/base/platform/mutex.h" |
10 #include "src/conversions.h" | 10 #include "src/conversions-inl.h" |
11 #include "src/runtime/runtime-utils.h" | 11 #include "src/factory.h" |
12 | 12 |
13 // Implement Atomic accesses to SharedArrayBuffers as defined in the | 13 // Implement Atomic accesses to SharedArrayBuffers as defined in the |
14 // SharedArrayBuffer draft spec, found here | 14 // SharedArrayBuffer draft spec, found here |
15 // https://docs.google.com/document/d/1NDGA_gZJ7M7w1Bh8S0AoDyEqwDdRh4uSoTPSNn77P
Fk | 15 // https://docs.google.com/document/d/1NDGA_gZJ7M7w1Bh8S0AoDyEqwDdRh4uSoTPSNn77P
Fk |
16 | 16 |
17 namespace v8 { | 17 namespace v8 { |
18 namespace internal { | 18 namespace internal { |
19 | 19 |
20 namespace { | 20 namespace { |
21 | 21 |
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825 HandleScope scope(isolate); | 825 HandleScope scope(isolate); |
826 DCHECK(args.length() == 1); | 826 DCHECK(args.length() == 1); |
827 CONVERT_NUMBER_ARG_HANDLE_CHECKED(size, 0); | 827 CONVERT_NUMBER_ARG_HANDLE_CHECKED(size, 0); |
828 uint32_t usize = NumberToUint32(*size); | 828 uint32_t usize = NumberToUint32(*size); |
829 | 829 |
830 return Runtime::AtomicIsLockFree(usize) ? isolate->heap()->true_value() | 830 return Runtime::AtomicIsLockFree(usize) ? isolate->heap()->true_value() |
831 : isolate->heap()->false_value(); | 831 : isolate->heap()->false_value(); |
832 } | 832 } |
833 } | 833 } |
834 } // namespace v8::internal | 834 } // namespace v8::internal |
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