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Title: [3.10] gh-94207: Fix struct module leak (GH-94239) by miss-islington · Pull Request #94266 · python/cpython · GitHub

Open Graph Title: [3.10] gh-94207: Fix struct module leak (GH-94239) by miss-islington · Pull Request #94266 · python/cpython

X Title: [3.10] gh-94207: Fix struct module leak (GH-94239) by miss-islington · Pull Request #94266 · python/cpython

Description: Make _struct.Struct a GC type This fixes a memory leak in the _struct module, where as soon as a Struct object is stored in the cache, there's a cycle from the _struct module to the cache to Struct objects to the Struct type back to the module. If _struct.Struct is not gc-tracked, that cycle is never collected. This PR makes _struct.Struct GC-tracked, and adds a regression test. (cherry picked from commit 6b86534) Co-authored-by: Mark Dickinson mdickinson@enthought.com Issue: gh-94207

Open Graph Description: Make _struct.Struct a GC type This fixes a memory leak in the _struct module, where as soon as a Struct object is stored in the cache, there's a cycle from the _struct module to the cache to St...

X Description: Make _struct.Struct a GC type This fixes a memory leak in the _struct module, where as soon as a Struct object is stored in the cache, there's a cycle from the _struct module to the cache t...

Opengraph URL: https://github.com/python/cpython/pull/94266

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[3.10] gh-94207: Fix struct module leak (GH-94239) https://github.com/python/cpython/pull/94266/files#top
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69306b6 gh-94207: Fix struct module leak (GH-94239) mdickinson Jun 25, 2022 https://github.com/python/cpython/pull/94266/commits/69306b6d22f782c980c6dcc0460bdaf549e94cae
4b29b97 Fix missing import mdickinson Jun 25, 2022 https://github.com/python/cpython/pull/94266/commits/4b29b973cb9b9ec0297dab19e2539b4868204796
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