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gh-115103: Implement delayed memory reclamation (QSBR) (#115180)

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This adds a safe memory reclamation scheme based on FreeBSD's "GUS" and
quiescent state based reclamation (QSBR). The API provides a mechanism
for callers to detect when it is safe to free memory that may be
concurrently accessed by readers.
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Sam Gross 2024-02-16 15:25:19 -05:00 • committed by GitHub
parent 711f42de2e
commit 5903190727
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GPG key ID: B5690EEEBB952194
18 changed files with 577 additions and 2 deletions
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PCbuild/pythoncore.vcxproj
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@ -276,6 +276,7 @@
<ClInclude Include="..\Include\internal\pycore_pystats.h" />
<ClInclude Include="..\Include\internal\pycore_pythonrun.h" />
<ClInclude Include="..\Include\internal\pycore_pythread.h" />
<ClInclude Include="..\Include\internal\pycore_qsbr.h" />
<ClInclude Include="..\Include\internal\pycore_range.h" />
<ClInclude Include="..\Include\internal\pycore_runtime.h" />
<ClInclude Include="..\Include\internal\pycore_runtime_init.h" />
@ -614,6 +615,7 @@
<ClCompile Include="..\Python\pystrcmp.c" />
<ClCompile Include="..\Python\pystrhex.c" />
<ClCompile Include="..\Python\pystrtod.c" />
<ClCompile Include="..\Python\qsbr.c" />
<ClCompile Include="..\Python\dtoa.c" />
<ClCompile Include="..\Python\Python-ast.c" />
<ClCompile Include="..\Python\Python-tokenize.c" />