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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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