Include/pystate.h

   1
   2 /* Thread and interpreter state structures and their interfaces */
   3
   4
   5 #ifndef Py_PYSTATE_H
   6 #define Py_PYSTATE_H
   7 #ifdef __cplusplus
   8 extern "C" {
   9 #endif
  10
  11 /* State shared between threads */
  12
  13 struct _ts; /* Forward */
  14 struct _is; /* Forward */
  15
  16 typedef struct _is {
  17
  18     struct _is *next;
  19     struct _ts *tstate_head;
  20
  21     PyObject *modules;
  22     PyObject *sysdict;
  23     PyObject *builtins;
  24
  25     int checkinterval;
  26
  27 } PyInterpreterState;
  28
  29
  30 /* State unique per thread */
  31
  32 struct _frame; /* Avoid including frameobject.h */
  33
  34 typedef struct _ts {
  35
  36     struct _ts *next;
  37     PyInterpreterState *interp;
  38
  39     struct _frame *frame;
  40     int recursion_depth;
  41     int ticker;
  42     int tracing;
  43
  44     PyObject *sys_profilefunc;
  45     PyObject *sys_tracefunc;
  46
  47     PyObject *curexc_type;
  48     PyObject *curexc_value;
  49     PyObject *curexc_traceback;
  50
  51     PyObject *exc_type;
  52     PyObject *exc_value;
  53     PyObject *exc_traceback;
  54
  55     PyObject *dict;
  56
  57     /* XXX signal handlers should also be here */
  58
  59 } PyThreadState;
  60
  61
  62 DL_IMPORT(PyInterpreterState *) PyInterpreterState_New(void);
  63 DL_IMPORT(void) PyInterpreterState_Clear(PyInterpreterState *);
  64 DL_IMPORT(void) PyInterpreterState_Delete(PyInterpreterState *);
  65
  66 DL_IMPORT(PyThreadState *) PyThreadState_New(PyInterpreterState *);
  67 DL_IMPORT(void) PyThreadState_Clear(PyThreadState *);
  68 DL_IMPORT(void) PyThreadState_Delete(PyThreadState *);
  69 #ifdef WITH_THREAD
  70 DL_IMPORT(void) PyThreadState_DeleteCurrent(void);
  71 #endif
  72
  73 DL_IMPORT(PyThreadState *) PyThreadState_Get(void);
  74 DL_IMPORT(PyThreadState *) PyThreadState_Swap(PyThreadState *);
  75 DL_IMPORT(PyObject *) PyThreadState_GetDict(void);
  76
  77
  78 /* Variable and macro for in-line access to current thread state */
  79
  80 extern DL_IMPORT(PyThreadState *) _PyThreadState_Current;
  81
  82 #ifdef Py_DEBUG
  83 #define PyThreadState_GET() PyThreadState_Get()
  84 #else
  85 #define PyThreadState_GET() (_PyThreadState_Current)
  86 #endif
  87
  88 #ifdef __cplusplus
  89 }
  90 #endif
  91 #endif /* !Py_PYSTATE_H */