cpython/Include/internal/pycore_atexit.h

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#ifndef Py_INTERNAL_ATEXIT_H
#define Py_INTERNAL_ATEXIT_H
#include "pycore_lock.h" // PyMutex
#ifdef __cplusplus
extern "C" {
#endif
#ifndef Py_BUILD_CORE
# error "this header requires Py_BUILD_CORE define"
#endif
//###############
// runtime atexit
typedef void (*atexit_callbackfunc)(void);
struct _atexit_runtime_state {
PyMutex mutex;
#define NEXITFUNCS 32
atexit_callbackfunc callbacks[NEXITFUNCS];
int ncallbacks;
};
//###################
// interpreter atexit
typedef void (*atexit_datacallbackfunc)(void *);
typedef struct atexit_callback {
atexit_datacallbackfunc func;
void *data;
struct atexit_callback *next;
} atexit_callback;
typedef struct {
PyObject *func;
PyObject *args;
PyObject *kwargs;
} atexit_py_callback;
struct atexit_state {
atexit_callback *ll_callbacks;
atexit_callback *last_ll_callback;
// XXX The rest of the state could be moved to the atexit module state
// and a low-level callback added for it during module exec.
// For the moment we leave it here.
atexit_py_callback **callbacks;
int ncallbacks;
int callback_len;
};
// Export for '_interpchannels' shared extension
PyAPI_FUNC(int) _Py_AtExit(
PyInterpreterState *interp,
atexit_datacallbackfunc func,
void *data);
#ifdef __cplusplus
}
#endif
#endif /* !Py_INTERNAL_ATEXIT_H */