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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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