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Replace v8::Persistent with node::Persistent, a specialization that resets the persistent handle on destruction. Prevents accidental resource leaks when forgetting to call .Reset() manually. I'm fairly confident this commit fixes a number of resource leaks that have gone undiagnosed so far. PR-URL: https://github.com/nodejs/node/pull/18656 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
31 lines
936 B
C++
31 lines
936 B
C++
#ifndef SRC_NODE_PERSISTENT_H_
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#define SRC_NODE_PERSISTENT_H_
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#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
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#include "v8.h"
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namespace node {
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template <typename T>
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struct ResetInDestructorPersistentTraits {
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static const bool kResetInDestructor = true;
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template <typename S, typename M>
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// Disallow copy semantics by leaving this unimplemented.
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inline static void Copy(
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const v8::Persistent<S, M>&,
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v8::Persistent<T, ResetInDestructorPersistentTraits<T>>*);
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};
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// v8::Persistent does not reset the object slot in its destructor. That is
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// acknowledged as a flaw in the V8 API and expected to change in the future
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// but for now node::Persistent is the easier and safer alternative.
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template <typename T>
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using Persistent = v8::Persistent<T, ResetInDestructorPersistentTraits<T>>;
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} // namespace node
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#endif // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
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#endif // SRC_NODE_PERSISTENT_H_
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