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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;

struct atexit_state {

#ifdef Py_GIL_DISABLED

PyMutex ll_callbacks_lock;

#endif

atexit_callback *ll_callbacks;

// 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.

// List containing tuples with callback information.

// e.g. [(func, args, kwargs), ...]

PyObject *callbacks;

};

#ifdef Py_GIL_DISABLED

# define _PyAtExit_LockCallbacks(state) PyMutex_Lock(&state->ll_callbacks_lock);

# define _PyAtExit_UnlockCallbacks(state) PyMutex_Unlock(&state->ll_callbacks_lock);

#else

# define _PyAtExit_LockCallbacks(state)

# define _PyAtExit_UnlockCallbacks(state)

#endif

// 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 */

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