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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 (function(global, utils) { | 5 (function(global, utils) { |
| 6 | 6 |
| 7 "use strict"; | 7 "use strict"; |
| 8 | 8 |
| 9 %CheckIsBootstrapping(); | 9 %CheckIsBootstrapping(); |
| 10 | 10 |
| 11 // ------------------------------------------------------------------- | 11 // ------------------------------------------------------------------- |
| 12 // Imports | 12 // Imports |
| 13 | 13 |
| 14 var GlobalObject = global.Object; | 14 var GlobalObject = global.Object; |
| 15 var MathMax; |
| 15 var toStringTagSymbol = utils.ImportNow("to_string_tag_symbol"); | 16 var toStringTagSymbol = utils.ImportNow("to_string_tag_symbol"); |
| 16 | 17 |
| 18 utils.Import(function(from) { |
| 19 MathMax = from.MathMax; |
| 20 }); |
| 21 |
| 17 // ------------------------------------------------------------------- | 22 // ------------------------------------------------------------------- |
| 18 | 23 |
| 19 | 24 |
| 20 function CheckSharedIntegerTypedArray(ia) { | 25 function CheckSharedIntegerTypedArray(ia) { |
| 21 if (!%IsSharedIntegerTypedArray(ia)) { | 26 if (!%IsSharedIntegerTypedArray(ia)) { |
| 22 throw MakeTypeError(kNotIntegerSharedTypedArray, ia); | 27 throw MakeTypeError(kNotIntegerSharedTypedArray, ia); |
| 23 } | 28 } |
| 24 } | 29 } |
| 25 | 30 |
| 26 function CheckSharedInteger32TypedArray(ia) { | 31 function CheckSharedInteger32TypedArray(ia) { |
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| 134 if (index < 0 || index >= %_TypedArrayGetLength(ia)) { | 139 if (index < 0 || index >= %_TypedArrayGetLength(ia)) { |
| 135 return UNDEFINED; | 140 return UNDEFINED; |
| 136 } | 141 } |
| 137 if (IS_UNDEFINED(timeout)) { | 142 if (IS_UNDEFINED(timeout)) { |
| 138 timeout = INFINITY; | 143 timeout = INFINITY; |
| 139 } else { | 144 } else { |
| 140 timeout = TO_NUMBER(timeout); | 145 timeout = TO_NUMBER(timeout); |
| 141 if (NUMBER_IS_NAN(timeout)) { | 146 if (NUMBER_IS_NAN(timeout)) { |
| 142 timeout = INFINITY; | 147 timeout = INFINITY; |
| 143 } else { | 148 } else { |
| 144 timeout = MAX_SIMPLE(0, timeout); | 149 timeout = MathMax(0, timeout); |
| 145 } | 150 } |
| 146 } | 151 } |
| 147 return %AtomicsFutexWait(ia, index, value, timeout); | 152 return %AtomicsFutexWait(ia, index, value, timeout); |
| 148 } | 153 } |
| 149 | 154 |
| 150 function AtomicsFutexWakeJS(ia, index, count) { | 155 function AtomicsFutexWakeJS(ia, index, count) { |
| 151 CheckSharedInteger32TypedArray(ia); | 156 CheckSharedInteger32TypedArray(ia); |
| 152 index = TO_INTEGER(index); | 157 index = TO_INTEGER(index); |
| 153 if (index < 0 || index >= %_TypedArrayGetLength(ia)) { | 158 if (index < 0 || index >= %_TypedArrayGetLength(ia)) { |
| 154 return UNDEFINED; | 159 return UNDEFINED; |
| 155 } | 160 } |
| 156 count = MAX_SIMPLE(0, TO_INTEGER(count)); | 161 count = MathMax(0, TO_INTEGER(count)); |
| 157 return %AtomicsFutexWake(ia, index, count); | 162 return %AtomicsFutexWake(ia, index, count); |
| 158 } | 163 } |
| 159 | 164 |
| 160 function AtomicsFutexWakeOrRequeueJS(ia, index1, count, value, index2) { | 165 function AtomicsFutexWakeOrRequeueJS(ia, index1, count, value, index2) { |
| 161 CheckSharedInteger32TypedArray(ia); | 166 CheckSharedInteger32TypedArray(ia); |
| 162 index1 = TO_INTEGER(index1); | 167 index1 = TO_INTEGER(index1); |
| 163 count = MAX_SIMPLE(0, TO_INTEGER(count)); | 168 count = MathMax(0, TO_INTEGER(count)); |
| 164 value = TO_INT32(value); | 169 value = TO_INT32(value); |
| 165 index2 = TO_INTEGER(index2); | 170 index2 = TO_INTEGER(index2); |
| 166 if (index1 < 0 || index1 >= %_TypedArrayGetLength(ia) || | 171 if (index1 < 0 || index1 >= %_TypedArrayGetLength(ia) || |
| 167 index2 < 0 || index2 >= %_TypedArrayGetLength(ia)) { | 172 index2 < 0 || index2 >= %_TypedArrayGetLength(ia)) { |
| 168 return UNDEFINED; | 173 return UNDEFINED; |
| 169 } | 174 } |
| 170 return %AtomicsFutexWakeOrRequeue(ia, index1, count, value, index2); | 175 return %AtomicsFutexWakeOrRequeue(ia, index1, count, value, index2); |
| 171 } | 176 } |
| 172 | 177 |
| 173 // ------------------------------------------------------------------- | 178 // ------------------------------------------------------------------- |
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| 199 "or", AtomicsOrJS, | 204 "or", AtomicsOrJS, |
| 200 "xor", AtomicsXorJS, | 205 "xor", AtomicsXorJS, |
| 201 "exchange", AtomicsExchangeJS, | 206 "exchange", AtomicsExchangeJS, |
| 202 "isLockFree", AtomicsIsLockFreeJS, | 207 "isLockFree", AtomicsIsLockFreeJS, |
| 203 "futexWait", AtomicsFutexWaitJS, | 208 "futexWait", AtomicsFutexWaitJS, |
| 204 "futexWake", AtomicsFutexWakeJS, | 209 "futexWake", AtomicsFutexWakeJS, |
| 205 "futexWakeOrRequeue", AtomicsFutexWakeOrRequeueJS, | 210 "futexWakeOrRequeue", AtomicsFutexWakeOrRequeueJS, |
| 206 ]); | 211 ]); |
| 207 | 212 |
| 208 }) | 213 }) |
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