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gh-127065: Make methodcaller thread-safe and re-entrant #127245

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eendebakpt wants to merge 21 commits into from
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gh-127065: Make methodcaller thread-safe and re-entrant #127245

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223d650
Make methodcalled thread-safe
eendebakpt Nov 23, 2024
b6d454a
check result of PyMem_Malloc
eendebakpt Nov 23, 2024
4ce1233
enable ft
eendebakpt Nov 23, 2024
cf6b79b
fix memory error
eendebakpt Nov 25, 2024
2476ce4
wip
eendebakpt Nov 28, 2024
5ecf876
add tests
eendebakpt Nov 28, 2024
709010d
wip
eendebakpt Nov 28, 2024
6bd2c2e
wip
eendebakpt Nov 28, 2024
8d40552
Merge branch 'main' into methodcaller_ft
eendebakpt Nov 28, 2024
c9e3898
wip
eendebakpt Nov 28, 2024
8ef7a04
fix memory error
eendebakpt Nov 29, 2024
b4f30d3
skip check on zero size for memcpy
eendebakpt Dec 1, 2024
6d06201
📜🤖 Added by blurb_it.
blurb-it[bot] Dec 1, 2024
56cdc1f
Merge branch 'methodcaller_ft' of github.com:eendebakpt/cpython into …
eendebakpt Dec 1, 2024
440eb0c
Merge branch 'main' into methodcaller_ft
eendebakpt Dec 1, 2024
ad66951
review comments
eendebakpt Dec 3, 2024
bc3fe2a
review comments
eendebakpt Dec 3, 2024
e9a1fa6
Update Modules/_operator.c
eendebakpt Dec 6, 2024
00ab654
Update Modules/_operator.c
eendebakpt Dec 6, 2024
5a7344b
review comments
eendebakpt Dec 6, 2024
f9f53fe
Merge branch 'methodcaller_ft' of github.com:eendebakpt/cpython into …
eendebakpt Dec 6, 2024
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check result of PyMem_Malloc
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@eendebakpt
eendebakpt committed Nov 23, 2024
commit b6d454a730b12bb55cfd562dedff4ca06069cba0
10 changes: 7 additions & 3 deletions Modules/_operator.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1661,9 +1661,13 @@ methodcaller_vectorcall(
}

assert(mc->vectorcall_args != 0);
number_of_arguments++;
PyObject **tmp_args = (PyObject **) PyMem_Malloc(number_of_arguments * sizeof(PyObject *));
memcpy(tmp_args, mc->vectorcall_args, sizeof(PyObject *) * number_of_arguments );
size_t buffer_size = sizeof(PyObject *) * (number_of_arguments + 1);
PyObject **tmp_args = (PyObject **) PyMem_Malloc buffer_size);
if (tmp_args == NULL) {
PyErr_NoMemory();
return -1;
}
memcpy(tmp_args, mc->vectorcall_args, buffer_size);
tmp_args[0] = args[0];
return PyObject_VectorcallMethod(
mc->name, tmp_args,
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