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SF bug #690377: Dud footnote reference in distutils docs
author Raymond Hettinger <python@rcn.com>
date Fri, 21 Feb 2003 02:47:09 +0000
parents 4b99a701defe
children 850626d47574
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1
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2 /* Thread and interpreter state structures and their interfaces */
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4
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5 #ifndef Py_PYSTATE_H
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6 #define Py_PYSTATE_H
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7 #ifdef __cplusplus
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8 extern "C" {
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9 #endif
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10
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11 /* State shared between threads */
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12
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13 struct _ts; /* Forward */
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14 struct _is; /* Forward */
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15
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16 typedef struct _is {
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18 struct _is *next;
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19 struct _ts *tstate_head;
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21 PyObject *modules;
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22 PyObject *sysdict;
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23 PyObject *builtins;
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24
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25 #ifdef HAVE_DLOPEN
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26 int dlopenflags;
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27 #endif
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29 } PyInterpreterState;
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31
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32 /* State unique per thread */
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33
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34 struct _frame; /* Avoid including frameobject.h */
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36 /* Py_tracefunc return -1 when raising an exception, or 0 for success. */
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37 typedef int (*Py_tracefunc)(PyObject *, struct _frame *, int, PyObject *);
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38
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39 /* The following values are used for 'what' for tracefunc functions: */
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40 #define PyTrace_CALL 0
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41 #define PyTrace_EXCEPTION 1
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42 #define PyTrace_LINE 2
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43 #define PyTrace_RETURN 3
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44
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45 typedef struct _ts {
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47 struct _ts *next;
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48 PyInterpreterState *interp;
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50 struct _frame *frame;
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51 int recursion_depth;
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52 int tracing;
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53 int use_tracing;
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55 Py_tracefunc c_profilefunc;
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56 Py_tracefunc c_tracefunc;
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57 PyObject *c_profileobj;
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58 PyObject *c_traceobj;
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60 PyObject *curexc_type;
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61 PyObject *curexc_value;
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62 PyObject *curexc_traceback;
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64 PyObject *exc_type;
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65 PyObject *exc_value;
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66 PyObject *exc_traceback;
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68 PyObject *dict;
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69
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70 int tick_counter;
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72 /* XXX signal handlers should also be here */
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73
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74 } PyThreadState;
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75
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77 PyAPI_FUNC(PyInterpreterState *) PyInterpreterState_New(void);
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78 PyAPI_FUNC(void) PyInterpreterState_Clear(PyInterpreterState *);
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79 PyAPI_FUNC(void) PyInterpreterState_Delete(PyInterpreterState *);
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81 PyAPI_FUNC(PyThreadState *) PyThreadState_New(PyInterpreterState *);
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82 PyAPI_FUNC(void) PyThreadState_Clear(PyThreadState *);
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83 PyAPI_FUNC(void) PyThreadState_Delete(PyThreadState *);
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84 #ifdef WITH_THREAD
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85 PyAPI_FUNC(void) PyThreadState_DeleteCurrent(void);
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86 #endif
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88 PyAPI_FUNC(PyThreadState *) PyThreadState_Get(void);
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89 PyAPI_FUNC(PyThreadState *) PyThreadState_Swap(PyThreadState *);
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90 PyAPI_FUNC(PyObject *) PyThreadState_GetDict(void);
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93 /* Variable and macro for in-line access to current thread state */
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94
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95 PyAPI_DATA(PyThreadState *) _PyThreadState_Current;
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96
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97 #ifdef Py_DEBUG
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98 #define PyThreadState_GET() PyThreadState_Get()
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99 #else
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100 #define PyThreadState_GET() (_PyThreadState_Current)
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101 #endif
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102
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103 /* Routines for advanced debuggers, requested by David Beazley.
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104 Don't use unless you know what you are doing! */
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105 PyAPI_FUNC(PyInterpreterState *) PyInterpreterState_Head(void);
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106 PyAPI_FUNC(PyInterpreterState *) PyInterpreterState_Next(PyInterpreterState *);
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107 PyAPI_FUNC(PyThreadState *) PyInterpreterState_ThreadHead(PyInterpreterState *);
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108 PyAPI_FUNC(PyThreadState *) PyThreadState_Next(PyThreadState *);
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110 typedef struct _frame *(*PyThreadFrameGetter)(PyThreadState *self_);
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111
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112 /* hook for PyEval_GetFrame(), requested for Psyco */
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113 PyAPI_DATA(PyThreadFrameGetter) _PyThreadState_GetFrame;
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115 #ifdef __cplusplus
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116 }
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117 #endif
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118 #endif /* !Py_PYSTATE_H */