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Issue 2143443002: [Atomics] Rename Atomics.futex*, remove Atomics.futexWakeOrRequeue (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: merge master Created 4 years, 5 months ago
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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/runtime/runtime-utils.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-inl.h" 10 #include "src/conversions-inl.h"
11 #include "src/factory.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://github.com/lars-t-hansen/ecmascript_sharedmem 15 // https://github.com/tc39/ecmascript_sharedmem
16 16
17 namespace v8 { 17 namespace v8 {
18 namespace internal { 18 namespace internal {
19 19
20 namespace { 20 namespace {
21 21
22 inline bool AtomicIsLockFree(uint32_t size) { 22 inline bool AtomicIsLockFree(uint32_t size) {
23 return size == 1 || size == 2 || size == 4; 23 return size == 1 || size == 2 || size == 4;
24 } 24 }
25 25
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575 575
576 RUNTIME_FUNCTION(Runtime_AtomicsIsLockFree) { 576 RUNTIME_FUNCTION(Runtime_AtomicsIsLockFree) {
577 HandleScope scope(isolate); 577 HandleScope scope(isolate);
578 DCHECK(args.length() == 1); 578 DCHECK(args.length() == 1);
579 CONVERT_NUMBER_ARG_HANDLE_CHECKED(size, 0); 579 CONVERT_NUMBER_ARG_HANDLE_CHECKED(size, 0);
580 uint32_t usize = NumberToUint32(*size); 580 uint32_t usize = NumberToUint32(*size);
581 return isolate->heap()->ToBoolean(AtomicIsLockFree(usize)); 581 return isolate->heap()->ToBoolean(AtomicIsLockFree(usize));
582 } 582 }
583 } // namespace internal 583 } // namespace internal
584 } // namespace v8 584 } // namespace v8
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