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[3.13] gh-122581: Avoid data races when collecting parser statistics (GH-122694) (#122733)

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gh-122581: Avoid data races when collecting parser statistics (GH-122694)
(cherry picked from commit ce0d66c8d2)

Co-authored-by: Lysandros Nikolaou <lisandrosnik@gmail.com>
This commit is contained in:
Miss Islington (bot) 2024-08-07 14:59:03 +02:00 • committed by GitHub
parent 5c161cb832
commit 9fb6bfbef0
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2 changed files with 36 additions and 0 deletions
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19
Include/internal/pycore_parser.h
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@ -21,6 +21,9 @@ extern "C" {
struct _parser_runtime_state {
#ifdef Py_DEBUG
long memo_statistics[_PYPEGEN_NSTATISTICS];
#ifdef Py_GIL_DISABLED
PyMutex mutex;
#endif
#else
int _not_used;
#endif
@ -28,6 +31,21 @@ struct _parser_runtime_state {
};
_Py_DECLARE_STR(empty, "")
#if defined(Py_DEBUG) && defined(Py_GIL_DISABLED)
#define _parser_runtime_state_INIT \
{ \
.mutex = {0}, \
.dummy_name = { \
.kind = Name_kind, \
.v.Name.id = &_Py_STR(empty), \
.v.Name.ctx = Load, \
.lineno = 1, \
.col_offset = 0, \
.end_lineno = 1, \
.end_col_offset = 0, \
}, \
}
#else
#define _parser_runtime_state_INIT \
{ \
.dummy_name = { \
@ -40,6 +58,7 @@ _Py_DECLARE_STR(empty, "")
.end_col_offset = 0, \
}, \
}
#endif
extern struct _mod* _PyParser_ASTFromString(
const char *str,