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author | Ben Noordhuis <info@bnoordhuis.nl> | 2018-02-21 15:24:18 +0100 |
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committer | Ben Noordhuis <info@bnoordhuis.nl> | 2018-02-21 15:24:18 +0100 |
commit | 992703f2b50f6b3483e9b930737d177b9e01256d (patch) | |
tree | 7d9b2752b6021d7653d426bbebdc80a437624a47 /src/stream_base-inl.h | |
parent | e53275d819fb21d4bb15a27a714f134551233cf9 (diff) | |
download | android-node-v8-992703f2b50f6b3483e9b930737d177b9e01256d.tar.gz android-node-v8-992703f2b50f6b3483e9b930737d177b9e01256d.tar.bz2 android-node-v8-992703f2b50f6b3483e9b930737d177b9e01256d.zip |
src: prevent persistent handle resource leaks
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>
Diffstat (limited to 'src/stream_base-inl.h')
-rw-r--r-- | src/stream_base-inl.h | 26 |
1 files changed, 8 insertions, 18 deletions
diff --git a/src/stream_base-inl.h b/src/stream_base-inl.h index b479e04bae..c864feb927 100644 --- a/src/stream_base-inl.h +++ b/src/stream_base-inl.h @@ -225,8 +225,8 @@ inline StreamWriteResult StreamBase::Write( return StreamWriteResult { async, err, req_wrap }; } -template<typename OtherBase, bool kResetPersistent> -SimpleShutdownWrap<OtherBase, kResetPersistent>::SimpleShutdownWrap( +template <typename OtherBase> +SimpleShutdownWrap<OtherBase>::SimpleShutdownWrap( StreamBase* stream, v8::Local<v8::Object> req_wrap_obj) : ShutdownWrap(stream, req_wrap_obj), @@ -236,14 +236,9 @@ SimpleShutdownWrap<OtherBase, kResetPersistent>::SimpleShutdownWrap( Wrap(req_wrap_obj, static_cast<AsyncWrap*>(this)); } -template<typename OtherBase, bool kResetPersistent> -SimpleShutdownWrap<OtherBase, kResetPersistent>::~SimpleShutdownWrap() { +template <typename OtherBase> +SimpleShutdownWrap<OtherBase>::~SimpleShutdownWrap() { ClearWrap(static_cast<AsyncWrap*>(this)->object()); - if (kResetPersistent) { - auto& persistent = static_cast<AsyncWrap*>(this)->persistent(); - CHECK_EQ(persistent.IsEmpty(), false); - persistent.Reset(); - } } inline ShutdownWrap* StreamBase::CreateShutdownWrap( @@ -251,8 +246,8 @@ inline ShutdownWrap* StreamBase::CreateShutdownWrap( return new SimpleShutdownWrap<AsyncWrap>(this, object); } -template<typename OtherBase, bool kResetPersistent> -SimpleWriteWrap<OtherBase, kResetPersistent>::SimpleWriteWrap( +template <typename OtherBase> +SimpleWriteWrap<OtherBase>::SimpleWriteWrap( StreamBase* stream, v8::Local<v8::Object> req_wrap_obj) : WriteWrap(stream, req_wrap_obj), @@ -262,14 +257,9 @@ SimpleWriteWrap<OtherBase, kResetPersistent>::SimpleWriteWrap( Wrap(req_wrap_obj, static_cast<AsyncWrap*>(this)); } -template<typename OtherBase, bool kResetPersistent> -SimpleWriteWrap<OtherBase, kResetPersistent>::~SimpleWriteWrap() { +template <typename OtherBase> +SimpleWriteWrap<OtherBase>::~SimpleWriteWrap() { ClearWrap(static_cast<AsyncWrap*>(this)->object()); - if (kResetPersistent) { - auto& persistent = static_cast<AsyncWrap*>(this)->persistent(); - CHECK_EQ(persistent.IsEmpty(), false); - persistent.Reset(); - } } inline WriteWrap* StreamBase::CreateWriteWrap( |