// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license. // Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to permit // persons to whom the Software is furnished to do so, subject to the // following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. // This module ports: // - https://github.com/nodejs/node/blob/master/src/async_wrap-inl.h // - https://github.com/nodejs/node/blob/master/src/async_wrap.cc // - https://github.com/nodejs/node/blob/master/src/async_wrap.h // TODO(petamoriken): enable prefer-primordials for node polyfills // deno-lint-ignore-file prefer-primordials export function registerDestroyHook( // deno-lint-ignore no-explicit-any _target: any, _asyncId: number, _prop: { destroyed: boolean }, ) { // TODO(kt3k): implement actual procedures } export enum constants { kInit, kBefore, kAfter, kDestroy, kPromiseResolve, kTotals, kCheck, kExecutionAsyncId, kTriggerAsyncId, kAsyncIdCounter, kDefaultTriggerAsyncId, kUsesExecutionAsyncResource, kStackLength, } const asyncHookFields = new Uint32Array(Object.keys(constants).length); export { asyncHookFields as async_hook_fields }; // Increment the internal id counter and return the value. export function newAsyncId() { return ++asyncIdFields[constants.kAsyncIdCounter]; } export enum UidFields { kExecutionAsyncId, kTriggerAsyncId, kAsyncIdCounter, kDefaultTriggerAsyncId, kUidFieldsCount, } const asyncIdFields = new Float64Array(Object.keys(UidFields).length); // `kAsyncIdCounter` should start at `1` because that'll be the id the execution // context during bootstrap. asyncIdFields[UidFields.kAsyncIdCounter] = 1; // `kDefaultTriggerAsyncId` should be `-1`, this indicates that there is no // specified default value and it should fallback to the executionAsyncId. // 0 is not used as the magic value, because that indicates a missing // context which is different from a default context. asyncIdFields[UidFields.kDefaultTriggerAsyncId] = -1; export { asyncIdFields }; export enum providerType { NONE, DIRHANDLE, DNSCHANNEL, ELDHISTOGRAM, FILEHANDLE, FILEHANDLECLOSEREQ, FIXEDSIZEBLOBCOPY, FSEVENTWRAP, FSREQCALLBACK, FSREQPROMISE, GETADDRINFOREQWRAP, GETNAMEINFOREQWRAP, HEAPSNAPSHOT, HTTP2SESSION, HTTP2STREAM, HTTP2PING, HTTP2SETTINGS, HTTPINCOMINGMESSAGE, HTTPCLIENTREQUEST, JSSTREAM, JSUDPWRAP, MESSAGEPORT, PIPECONNECTWRAP, PIPESERVERWRAP, PIPEWRAP, PROCESSWRAP, PROMISE, QUERYWRAP, SHUTDOWNWRAP, SIGNALWRAP, STATWATCHER, STREAMPIPE, TCPCONNECTWRAP, TCPSERVERWRAP, TCPWRAP, TTYWRAP, UDPSENDWRAP, UDPWRAP, SIGINTWATCHDOG, WORKER, WORKERHEAPSNAPSHOT, WRITEWRAP, ZLIB, } const kInvalidAsyncId = -1; export class AsyncWrap { provider: providerType = providerType.NONE; asyncId = kInvalidAsyncId; constructor(provider: providerType) { this.provider = provider; this.getAsyncId(); } getAsyncId(): number { this.asyncId = this.asyncId === kInvalidAsyncId ? newAsyncId() : this.asyncId; return this.asyncId; } getProviderType() { return this.provider; } }