1 | /*! *****************************************************************************
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2 | Copyright (c) Microsoft Corporation. All rights reserved.
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3 | Licensed under the Apache License, Version 2.0 (the "License"); you may not use
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4 | this file except in compliance with the License. You may obtain a copy of the
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5 | License at http://www.apache.org/licenses/LICENSE-2.0
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6 |
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7 | THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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8 | KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
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9 | WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
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10 | MERCHANTABLITY OR NON-INFRINGEMENT.
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11 |
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12 | See the Apache Version 2.0 License for specific language governing permissions
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13 | and limitations under the License.
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14 | ***************************************************************************** */
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15 |
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16 |
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17 |
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18 | /// <reference no-default-lib="true"/>
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19 |
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20 |
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21 | /// <reference lib="es2015.symbol" />
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22 | /// <reference lib="es2015.symbol.wellknown" />
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23 |
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24 | interface SharedArrayBuffer {
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25 | /**
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26 | * Read-only. The length of the ArrayBuffer (in bytes).
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27 | */
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28 | readonly byteLength: number;
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29 |
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30 | /**
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31 | * Returns a section of an SharedArrayBuffer.
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32 | */
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33 | slice(begin: number, end?: number): SharedArrayBuffer;
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34 | readonly [Symbol.species]: SharedArrayBuffer;
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35 | readonly [Symbol.toStringTag]: "SharedArrayBuffer";
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36 | }
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37 |
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38 | interface SharedArrayBufferConstructor {
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39 | readonly prototype: SharedArrayBuffer;
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40 | new (byteLength: number): SharedArrayBuffer;
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41 | }
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42 | declare var SharedArrayBuffer: SharedArrayBufferConstructor;
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43 |
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44 | interface ArrayBufferTypes {
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45 | SharedArrayBuffer: SharedArrayBuffer;
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46 | }
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47 |
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48 | interface Atomics {
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49 | /**
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50 | * Adds a value to the value at the given position in the array, returning the original value.
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51 | * Until this atomic operation completes, any other read or write operation against the array
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52 | * will block.
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53 | */
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54 | add(typedArray: Int8Array | Uint8Array | Int16Array | Uint16Array | Int32Array | Uint32Array, index: number, value: number): number;
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55 |
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56 | /**
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57 | * Stores the bitwise AND of a value with the value at the given position in the array,
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58 | * returning the original value. Until this atomic operation completes, any other read or
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59 | * write operation against the array will block.
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60 | */
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61 | and(typedArray: Int8Array | Uint8Array | Int16Array | Uint16Array | Int32Array | Uint32Array, index: number, value: number): number;
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62 |
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63 | /**
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64 | * Replaces the value at the given position in the array if the original value equals the given
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65 | * expected value, returning the original value. Until this atomic operation completes, any
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66 | * other read or write operation against the array will block.
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67 | */
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68 | compareExchange(typedArray: Int8Array | Uint8Array | Int16Array | Uint16Array | Int32Array | Uint32Array, index: number, expectedValue: number, replacementValue: number): number;
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69 |
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70 | /**
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71 | * Replaces the value at the given position in the array, returning the original value. Until
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72 | * this atomic operation completes, any other read or write operation against the array will
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73 | * block.
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74 | */
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75 | exchange(typedArray: Int8Array | Uint8Array | Int16Array | Uint16Array | Int32Array | Uint32Array, index: number, value: number): number;
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76 |
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77 | /**
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78 | * Returns a value indicating whether high-performance algorithms can use atomic operations
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79 | * (`true`) or must use locks (`false`) for the given number of bytes-per-element of a typed
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80 | * array.
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81 | */
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82 | isLockFree(size: number): boolean;
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83 |
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84 | /**
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85 | * Returns the value at the given position in the array. Until this atomic operation completes,
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86 | * any other read or write operation against the array will block.
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87 | */
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88 | load(typedArray: Int8Array | Uint8Array | Int16Array | Uint16Array | Int32Array | Uint32Array, index: number): number;
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89 |
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90 | /**
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91 | * Stores the bitwise OR of a value with the value at the given position in the array,
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92 | * returning the original value. Until this atomic operation completes, any other read or write
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93 | * operation against the array will block.
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94 | */
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95 | or(typedArray: Int8Array | Uint8Array | Int16Array | Uint16Array | Int32Array | Uint32Array, index: number, value: number): number;
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96 |
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97 | /**
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98 | * Stores a value at the given position in the array, returning the new value. Until this
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99 | * atomic operation completes, any other read or write operation against the array will block.
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100 | */
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101 | store(typedArray: Int8Array | Uint8Array | Int16Array | Uint16Array | Int32Array | Uint32Array, index: number, value: number): number;
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102 |
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103 | /**
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104 | * Subtracts a value from the value at the given position in the array, returning the original
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105 | * value. Until this atomic operation completes, any other read or write operation against the
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106 | * array will block.
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107 | */
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108 | sub(typedArray: Int8Array | Uint8Array | Int16Array | Uint16Array | Int32Array | Uint32Array, index: number, value: number): number;
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109 |
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110 | /**
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111 | * If the value at the given position in the array is equal to the provided value, the current
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112 | * agent is put to sleep causing execution to suspend until the timeout expires (returning
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113 | * `"timed-out"`) or until the agent is awoken (returning `"ok"`); otherwise, returns
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114 | * `"not-equal"`.
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115 | */
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116 | wait(typedArray: Int32Array, index: number, value: number, timeout?: number): "ok" | "not-equal" | "timed-out";
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117 |
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118 | /**
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119 | * Wakes up sleeping agents that are waiting on the given index of the array, returning the
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120 | * number of agents that were awoken.
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121 | * @param typedArray A shared Int32Array.
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122 | * @param index The position in the typedArray to wake up on.
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123 | * @param count The number of sleeping agents to notify. Defaults to +Infinity.
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124 | */
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125 | notify(typedArray: Int32Array, index: number, count?: number): number;
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126 |
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127 | /**
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128 | * Stores the bitwise XOR of a value with the value at the given position in the array,
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129 | * returning the original value. Until this atomic operation completes, any other read or write
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130 | * operation against the array will block.
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131 | */
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132 | xor(typedArray: Int8Array | Uint8Array | Int16Array | Uint16Array | Int32Array | Uint32Array, index: number, value: number): number;
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133 |
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134 | readonly [Symbol.toStringTag]: "Atomics";
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135 | }
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136 |
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137 | declare var Atomics: Atomics;
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