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7f2c810814
This patch: - Initializes cppgc in InitializeOncePerProcess() when kNoInitializeCppgc is not set - Create a CppHeap and attach it to the Isolate when there isn't one already during IsolateData initialization. The CppHeap is detached and terminated when IsolateData is freed. - Publishes the cppgc headers in the tarball. This allows C++ addons to start using cppgc to manage objects. A helper node::SetCppgcReference() is also added to help addons enable cppgc tracing in a user-defined object. Co-authored-by: Joyee Cheung <joyeec9h3@gmail.com> Refs: https://github.com/nodejs/node/issues/40786 PR-URL: https://github.com/nodejs/node/pull/45704 Refs: https://docs.google.com/document/d/1ny2Qz_EsUnXGKJRGxoA-FXIE2xpLgaMAN6jD7eAkqFQ/edit Reviewed-By: Stephen Belanger <admin@stephenbelanger.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>
51 lines
1.3 KiB
JavaScript
51 lines
1.3 KiB
JavaScript
'use strict';
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// Flags: --expose-gc
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const common = require('../../common');
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// Verify that addons can create GarbageCollected objects and
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// have them traced properly.
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const assert = require('assert');
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const {
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CppGCed, states, kDestructCount, kTraceCount,
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} = require(`./build/${common.buildType}/binding`);
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assert.strictEqual(states[kDestructCount], 0);
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assert.strictEqual(states[kTraceCount], 0);
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let array = [];
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const count = 100;
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for (let i = 0; i < count; ++i) {
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array.push(new CppGCed());
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}
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globalThis.gc();
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setTimeout(async function() {
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// GC should have invoked Trace() on at least some of the CppGCed objects,
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// but they should all be alive at this point.
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assert.strictEqual(states[kDestructCount], 0);
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assert.notStrictEqual(states[kTraceCount], 0);
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// Replace the old CppGCed objects with new ones, after GC we should have
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// destructed all the old ones and called Trace() on the
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// new ones.
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for (let i = 0; i < count; ++i) {
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array[i] = new CppGCed();
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}
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await common.gcUntil(
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'All old CppGCed are destroyed',
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() => states[kDestructCount] === count,
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);
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// Release all the CppGCed objects, after GC we should have destructed
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// all of them.
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array = null;
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globalThis.gc();
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await common.gcUntil(
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'All old CppGCed are destroyed',
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() => states[kDestructCount] === count * 2,
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);
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}, 1);
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