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gh-124397: Add threading.iter_locked #133908

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gh-124397: Add threading.iter_locked #133908

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6313b3d
Add iter_locked
eendebakpt May 10, 2025
5ced0a9
cleanup
eendebakpt May 11, 2025
110332e
cleanup
eendebakpt May 11, 2025
b675631
📜🤖 Added by blurb_it.
blurb-it[bot] May 11, 2025
4406050
update docs
eendebakpt May 12, 2025
d30ace8
review comments
eendebakpt Jun 1, 2025
baec5bc
use explicit lock
eendebakpt Jun 1, 2025
e6ea285
Merge branch 'main' into iter_locked
eendebakpt Jun 1, 2025
7315c49
fix import
eendebakpt Jun 1, 2025
b7c9d77
cleanup after merge to main
eendebakpt Jun 1, 2025
bb98c52
reduce duration of test
eendebakpt Jun 1, 2025
946ee51
use recursive lock
eendebakpt Jul 9, 2025
7e3653a
Merge branch 'main' into iter_locked
eendebakpt Jul 9, 2025
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use explicit lock
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@eendebakpt
eendebakpt committed Jun 1, 2025
commit baec5bce294d5b8ce2cf1b4ede0e2ac58bbd5567
5 changes: 2 additions & 3 deletions Modules/_threadmodule.c
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Original file line number Diff line number Diff line change
Expand Up @@ -809,9 +809,8 @@ iter_locked_next(PyObject *op)
// we cannot use Py_BEGIN_CRITICAL_SECTION as it is not available in the normal build
PyMutex_Lock(&(lz->lock));

PyObject *it = lz->it;
result = PyIter_Next(it);
if (result == NULL) {
int v = PyIter_NextItem(lz->it, &result);
if (v == -1) {
/* Note: StopIteration is already cleared by PyIter_Next() */
/* If PyErr_Occurred() we will also return NULL*/
}
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