2020-07-22 12:03:46 -04:00
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/*! *****************************************************************************
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Copyright (c) Microsoft Corporation. All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License"); you may not use
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this file except in compliance with the License. You may obtain a copy of the
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License at http://www.apache.org/licenses/LICENSE-2.0
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THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
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WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
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MERCHANTABLITY OR NON-INFRINGEMENT.
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See the Apache Version 2.0 License for specific language governing permissions
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and limitations under the License.
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***************************************************************************** */
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/// <reference no-default-lib="true"/>
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/// <reference lib="es2015.symbol" />
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/// <reference lib="es2015.symbol.wellknown" />
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interface SharedArrayBuffer {
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/**
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* Read-only. The length of the ArrayBuffer (in bytes).
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*/
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readonly byteLength: number;
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/**
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* Returns a section of an SharedArrayBuffer.
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*/
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slice(begin: number, end?: number): SharedArrayBuffer;
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readonly [Symbol.species]: SharedArrayBuffer;
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readonly [Symbol.toStringTag]: "SharedArrayBuffer";
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}
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interface SharedArrayBufferConstructor {
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readonly prototype: SharedArrayBuffer;
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new (byteLength: number): SharedArrayBuffer;
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}
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declare var SharedArrayBuffer: SharedArrayBufferConstructor;
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interface ArrayBufferTypes {
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SharedArrayBuffer: SharedArrayBuffer;
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}
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interface Atomics {
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/**
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* Adds a value to the value at the given position in the array, returning the original value.
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* Until this atomic operation completes, any other read or write operation against the array
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* will block.
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*/
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add(typedArray: Int8Array | Uint8Array | Int16Array | Uint16Array | Int32Array | Uint32Array, index: number, value: number): number;
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/**
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* Stores the bitwise AND of a value with the value at the given position in the array,
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* returning the original value. Until this atomic operation completes, any other read or
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* write operation against the array will block.
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*/
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and(typedArray: Int8Array | Uint8Array | Int16Array | Uint16Array | Int32Array | Uint32Array, index: number, value: number): number;
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/**
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* Replaces the value at the given position in the array if the original value equals the given
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* expected value, returning the original value. Until this atomic operation completes, any
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* other read or write operation against the array will block.
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*/
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compareExchange(typedArray: Int8Array | Uint8Array | Int16Array | Uint16Array | Int32Array | Uint32Array, index: number, expectedValue: number, replacementValue: number): number;
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/**
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* Replaces the value at the given position in the array, returning the original value. Until
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* this atomic operation completes, any other read or write operation against the array will
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* block.
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*/
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exchange(typedArray: Int8Array | Uint8Array | Int16Array | Uint16Array | Int32Array | Uint32Array, index: number, value: number): number;
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/**
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* Returns a value indicating whether high-performance algorithms can use atomic operations
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* (`true`) or must use locks (`false`) for the given number of bytes-per-element of a typed
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* array.
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*/
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isLockFree(size: number): boolean;
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/**
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* Returns the value at the given position in the array. Until this atomic operation completes,
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* any other read or write operation against the array will block.
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*/
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load(typedArray: Int8Array | Uint8Array | Int16Array | Uint16Array | Int32Array | Uint32Array, index: number): number;
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/**
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* Stores the bitwise OR of a value with the value at the given position in the array,
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* returning the original value. Until this atomic operation completes, any other read or write
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* operation against the array will block.
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*/
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or(typedArray: Int8Array | Uint8Array | Int16Array | Uint16Array | Int32Array | Uint32Array, index: number, value: number): number;
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/**
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* Stores a value at the given position in the array, returning the new value. Until this
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* atomic operation completes, any other read or write operation against the array will block.
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*/
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store(typedArray: Int8Array | Uint8Array | Int16Array | Uint16Array | Int32Array | Uint32Array, index: number, value: number): number;
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/**
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* Subtracts a value from the value at the given position in the array, returning the original
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* value. Until this atomic operation completes, any other read or write operation against the
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* array will block.
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*/
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sub(typedArray: Int8Array | Uint8Array | Int16Array | Uint16Array | Int32Array | Uint32Array, index: number, value: number): number;
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/**
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* If the value at the given position in the array is equal to the provided value, the current
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* agent is put to sleep causing execution to suspend until the timeout expires (returning
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* `"timed-out"`) or until the agent is awoken (returning `"ok"`); otherwise, returns
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* `"not-equal"`.
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*/
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wait(typedArray: Int32Array, index: number, value: number, timeout?: number): "ok" | "not-equal" | "timed-out";
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/**
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* Wakes up sleeping agents that are waiting on the given index of the array, returning the
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* number of agents that were awoken.
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2020-08-24 19:43:54 -04:00
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* @param typedArray A shared Int32Array.
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* @param index The position in the typedArray to wake up on.
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* @param count The number of sleeping agents to notify. Defaults to +Infinity.
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2020-07-22 12:03:46 -04:00
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*/
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2020-08-24 19:43:54 -04:00
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notify(typedArray: Int32Array, index: number, count?: number): number;
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2020-07-22 12:03:46 -04:00
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/**
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* Stores the bitwise XOR of a value with the value at the given position in the array,
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* returning the original value. Until this atomic operation completes, any other read or write
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* operation against the array will block.
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*/
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xor(typedArray: Int8Array | Uint8Array | Int16Array | Uint16Array | Int32Array | Uint32Array, index: number, value: number): number;
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readonly [Symbol.toStringTag]: "Atomics";
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}
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declare var Atomics: Atomics;
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