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gh-112075: Iterating a dict shouldn't require locks #115108

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Merged
DinoV merged 7 commits into from
Feb 22, 2024
Merged

gh-112075: Iterating a dict shouldn't require locks #115108

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afddb70
Thread safe lock-free iteration
DinoV Feb 1, 2024
39bc495
Don't use atomics for iteratio and allow multiple threads to race on …
DinoV Feb 16, 2024
902ce67
Fixup ifdef/ifndef
DinoV Feb 16, 2024
0ba2f5d
Use has_unique_reference
DinoV Feb 16, 2024
042cf26
Less atomics
DinoV Feb 21, 2024
a079a6d
Fix style issues
DinoV Feb 21, 2024
a1d7718
acquire_key_value returns -1 and 0
DinoV Feb 22, 2024
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Fixup ifdef/ifndef
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@DinoV
DinoV committed Feb 22, 2024
commit 902ce67df892d64d6e9eec567a41c8ba6a2f95c1
4 changes: 1 addition & 3 deletions Objects/dictobject.c
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Original file line number Diff line number Diff line change
Expand Up @@ -4948,9 +4948,7 @@ static int
dictiter_iternext_threadsafe(PyDictObject *d, PyObject *self,
PyObject **out_key, PyObject **out_value);

#endif

#ifndef Py_GIL_DISABLED
#else /* Py_GIL_DISABLED */

static PyObject*
dictiter_iternextkey_lock_held(PyDictObject *d, PyObject *self)
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