cpython/Include/internal/pycore_object_state.h
Eric Snow 58ef741867
gh-107080: Fix Py_TRACE_REFS Crashes Under Isolated Subinterpreters (gh-107567)
The linked list of objects was a global variable, which broke isolation between interpreters, causing crashes. To solve this, we've moved the linked list to each interpreter.
2023-08-03 19:51:08 +00:00

36 lines
737 B
C

#ifndef Py_INTERNAL_OBJECT_STATE_H
#define Py_INTERNAL_OBJECT_STATE_H
#ifdef __cplusplus
extern "C" {
#endif
#ifndef Py_BUILD_CORE
# error "this header requires Py_BUILD_CORE define"
#endif
struct _py_object_runtime_state {
#ifdef Py_REF_DEBUG
Py_ssize_t interpreter_leaks;
#endif
int _not_used;
};
struct _py_object_state {
#ifdef Py_REF_DEBUG
Py_ssize_t reftotal;
#endif
#ifdef Py_TRACE_REFS
/* Head of circular doubly-linked list of all objects. These are linked
* together via the _ob_prev and _ob_next members of a PyObject, which
* exist only in a Py_TRACE_REFS build.
*/
PyObject refchain;
#endif
int _not_used;
};
#ifdef __cplusplus
}
#endif
#endif /* !Py_INTERNAL_OBJECT_STATE_H */