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/* Thread and interpreter state structures and their interfaces */
#ifndef Py_PYSTATE_H
#define Py_PYSTATE_H
#ifdef __cplusplus
extern "C" {
#endif
/* State shared between threads */
struct _ts; /* Forward */
struct _is; /* Forward */
typedef struct _is {
struct _is *next;
struct _ts *tstate_head;
PyObject *modules;
PyObject *sysdict;
PyObject *builtins;
int checkinterval;
#ifdef HAVE_DLOPEN
int dlopenflags;
#endif
PyObject *codec_search_path;
PyObject *codec_search_cache;
} PyInterpreterState;
/* State unique per thread */
struct _frame; /* Avoid including frameobject.h */
/* Py_tracefunc return -1 when raising an exception, or 0 for success. */
typedef int (*Py_tracefunc)(PyObject *, struct _frame *, int, PyObject *);
/* The following values are used for 'what' for tracefunc functions: */
#define PyTrace_CALL 0
#define PyTrace_EXCEPTION 1
#define PyTrace_LINE 2
#define PyTrace_RETURN 3
typedef struct _ts {
struct _ts *next;
PyInterpreterState *interp;
struct _frame *frame;
int recursion_depth;
int ticker;
int tracing;
int use_tracing;
Py_tracefunc c_profilefunc;
Py_tracefunc c_tracefunc;
PyObject *c_profileobj;
PyObject *c_traceobj;
PyObject *curexc_type;
PyObject *curexc_value;
PyObject *curexc_traceback;
PyObject *exc_type;
PyObject *exc_value;
PyObject *exc_traceback;
PyObject *dict;
int tick_counter;
/* XXX signal handlers should also be here */
} PyThreadState;
DL_IMPORT(PyInterpreterState *) PyInterpreterState_New(void);
DL_IMPORT(void) PyInterpreterState_Clear(PyInterpreterState *);
DL_IMPORT(void) PyInterpreterState_Delete(PyInterpreterState *);
DL_IMPORT(PyThreadState *) PyThreadState_New(PyInterpreterState *);
DL_IMPORT(void) PyThreadState_Clear(PyThreadState *);
DL_IMPORT(void) PyThreadState_Delete(PyThreadState *);
#ifdef WITH_THREAD
DL_IMPORT(void) PyThreadState_DeleteCurrent(void);
#endif
DL_IMPORT(PyThreadState *) PyThreadState_Get(void);
DL_IMPORT(PyThreadState *) PyThreadState_Swap(PyThreadState *);
DL_IMPORT(PyObject *) PyThreadState_GetDict(void);
/* Variable and macro for in-line access to current thread state */
extern DL_IMPORT(PyThreadState *) _PyThreadState_Current;
#ifdef Py_DEBUG
#define PyThreadState_GET() PyThreadState_Get()
#else
#define PyThreadState_GET() (_PyThreadState_Current)
#endif
/* Routines for advanced debuggers, requested by David Beazley.
Don't use unless you know what you are doing! */
DL_IMPORT(PyInterpreterState *) PyInterpreterState_Head(void);
DL_IMPORT(PyInterpreterState *) PyInterpreterState_Next(PyInterpreterState *);
DL_IMPORT(PyThreadState *) PyInterpreterState_ThreadHead(PyInterpreterState *);
DL_IMPORT(PyThreadState *) PyThreadState_Next(PyThreadState *);
/* hook for PyEval_GetFrame(), requested for Psyco */
extern DL_IMPORT(unaryfunc) _PyThreadState_GetFrame;
#ifdef __cplusplus
}
#endif
#endif /* !Py_PYSTATE_H */
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