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gh-117323: Make cell thread-safe in free-threaded builds (#117330)

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Use critical sections to lock around accesses to cell contents. The critical sections are no-ops in the default (with GIL) build.
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Sam Gross 2024-03-29 13:35:43 -04:00 • committed by GitHub
parent 397d88db5e
commit 19c1dd60c5
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11 changed files with 83 additions and 43 deletions
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5
Tools/cases_generator/analyzer.py
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@ -520,8 +520,9 @@ def effect_depends_on_oparg_1(op: parser.InstDef) -> bool:
def compute_properties(op: parser.InstDef) -> Properties:
has_free = (
variable_used(op, "PyCell_New")
or variable_used(op, "PyCell_GET")
or variable_used(op, "PyCell_SET")
or variable_used(op, "PyCell_GetRef")
or variable_used(op, "PyCell_SetTakeRef")
or variable_used(op, "PyCell_SwapTakeRef")
)
deopts_if = variable_used(op, "DEOPT_IF")
exits_if = variable_used(op, "EXIT_IF")