cpython/Include/internal/pycore_exceptions.h
Sam Gross 51b4edb1a4
gh-129668: Fix thread-safety of MemoryError freelist in free threaded build (gh-129704)
The MemoryError freelist was not thread-safe in the free threaded build.
Use a mutex to protect accesses to the freelist. Unlike other freelists,
the MemoryError freelist is not performance sensitive.
2025-02-06 12:38:12 -05:00

40 lines
900 B
C

#ifndef Py_INTERNAL_EXCEPTIONS_H
#define Py_INTERNAL_EXCEPTIONS_H
#ifdef __cplusplus
extern "C" {
#endif
#ifndef Py_BUILD_CORE
# error "this header requires Py_BUILD_CORE define"
#endif
/* runtime lifecycle */
extern PyStatus _PyExc_InitState(PyInterpreterState *);
extern PyStatus _PyExc_InitGlobalObjects(PyInterpreterState *);
extern int _PyExc_InitTypes(PyInterpreterState *);
extern void _PyExc_Fini(PyInterpreterState *);
/* other API */
struct _Py_exc_state {
// The dict mapping from errno codes to OSError subclasses
PyObject *errnomap;
PyBaseExceptionObject *memerrors_freelist;
int memerrors_numfree;
#ifdef Py_GIL_DISABLED
PyMutex memerrors_lock;
#endif
// The ExceptionGroup type
PyObject *PyExc_ExceptionGroup;
};
extern void _PyExc_ClearExceptionGroupType(PyInterpreterState *);
#ifdef __cplusplus
}
#endif
#endif /* !Py_INTERNAL_EXCEPTIONS_H */