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pybind11::handle inc_ref() & dec_ref() PyGILState_Check() **excluding** nullptr (#4246)

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* pybind11/pytypes.h `inc_ref()`, `dec_ref()` `PyGILState_Check()` **excluding** `nullptr`

Guarded by `PYBIND11_ASSERT_GIL_HELD_INCREF_DECREF`

* Disable `PYBIND11_ASSERT_GIL_HELD_INCREF_DECREF` for PyPy under Windows.

* Add reference to PR #4268 (PyPy Windows)
This commit is contained in:
Ralf W. Grosse-Kunstleve 2022-12-08 22:06:51 -08:00 committed by GitHub
parent 65cc9d2a29
commit 65374c8e62
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2 changed files with 19 additions and 0 deletions
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9
include/pybind11/detail/common.h
View File

@ -323,6 +323,15 @@ PYBIND11_WARNING_POP
# define PYBIND11_HAS_U8STRING
#endif
// See description of PR #4246:
#if !defined(NDEBUG) && !defined(PY_ASSERT_GIL_HELD_INCREF_DECREF) \
&& !(defined(PYPY_VERSION) \
&& defined(_MSC_VER)) /* PyPy Windows: pytest hangs indefinitely at the end of the \
process (see PR #4268) */ \
&& !defined(PYBIND11_ASSERT_GIL_HELD_INCREF_DECREF)
# define PYBIND11_ASSERT_GIL_HELD_INCREF_DECREF
#endif
// #define PYBIND11_STR_LEGACY_PERMISSIVE
// If DEFINED, pybind11::str can hold PyUnicodeObject or PyBytesObject
// (probably surprising and never documented, but this was the

10
include/pybind11/pytypes.h
View File

@ -249,6 +249,11 @@ public:
const handle &inc_ref() const & {
#ifdef PYBIND11_HANDLE_REF_DEBUG
inc_ref_counter(1);
#endif
#if defined(PYBIND11_ASSERT_GIL_HELD_INCREF_DECREF)
if (m_ptr != nullptr && !PyGILState_Check()) {
throw std::runtime_error("pybind11::handle::inc_ref() PyGILState_Check() failure.");
}
#endif
Py_XINCREF(m_ptr);
return *this;
@ -260,6 +265,11 @@ public:
this function automatically. Returns a reference to itself.
\endrst */
const handle &dec_ref() const & {
#if defined(PYBIND11_ASSERT_GIL_HELD_INCREF_DECREF)
if (m_ptr != nullptr && !PyGILState_Check()) {
throw std::runtime_error("pybind11::handle::dec_ref() PyGILState_Check() failure.");
}
#endif
Py_XDECREF(m_ptr);
return *this;
}