mirror of
https://github.com/denoland/deno.git
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2b13bb6945
This commit implements "navigator.hardwareConcurrency" API, which supersedes "Deno.systemCpuInfo()" API (which was removed in this commit).
86 lines
1.8 KiB
JavaScript
86 lines
1.8 KiB
JavaScript
// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
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"use strict";
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((window) => {
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const core = window.Deno.core;
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const {
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Error,
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SymbolFor,
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} = window.__bootstrap.primordials;
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function loadavg() {
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return core.opSync("op_loadavg");
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}
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function hostname() {
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return core.opSync("op_hostname");
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}
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function osRelease() {
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return core.opSync("op_os_release");
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}
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function systemMemoryInfo() {
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return core.opSync("op_system_memory_info");
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}
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// This is an internal only method used by the test harness to override the
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// behavior of exit when the exit sanitizer is enabled.
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let exitHandler = null;
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function setExitHandler(fn) {
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exitHandler = fn;
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}
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function exit(code = 0) {
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// Dispatches `unload` only when it's not dispatched yet.
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if (!window[SymbolFor("isUnloadDispatched")]) {
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// Invokes the `unload` hooks before exiting
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// ref: https://github.com/denoland/deno/issues/3603
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window.dispatchEvent(new Event("unload"));
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}
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if (exitHandler) {
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exitHandler(code);
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return;
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}
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core.opSync("op_exit", code);
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throw new Error("Code not reachable");
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}
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function setEnv(key, value) {
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core.opSync("op_set_env", { key, value });
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}
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function getEnv(key) {
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return core.opSync("op_get_env", key) ?? undefined;
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}
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function deleteEnv(key) {
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core.opSync("op_delete_env", key);
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}
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const env = {
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get: getEnv,
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toObject() {
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return core.opSync("op_env");
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},
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set: setEnv,
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delete: deleteEnv,
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};
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function execPath() {
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return core.opSync("op_exec_path");
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}
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window.__bootstrap.os = {
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env,
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execPath,
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setExitHandler,
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exit,
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osRelease,
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systemMemoryInfo,
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hostname,
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loadavg,
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};
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})(this);
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