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bpo-32030: Add pymain_get_global_config() (#4735)

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* Py_Main() now starts by reading Py_xxx configuration variables to
  only work on its own private structure, and then later writes back
  the configuration into these variables.
* Replace Py_GETENV() with pymain_get_env_var() which ignores empty
  variables.
* Add _PyCoreConfig.dump_refs
* Add _PyCoreConfig.malloc_stats
* _PyObject_DebugMallocStats() is now responsible to check if debug
  hooks are installed. The function returns 1 if stats were written,
  or 0 if the hooks are disabled. Mark _PyMem_PymallocEnabled() as
  static.
This commit is contained in:
Victor Stinner 2017-12-06 17:26:10 +01:00 • committed by GitHub
parent 672b6baa71
commit 6bf992a1ac
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7 changed files with 141 additions and 76 deletions
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10
Include/pystate.h
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@ -36,6 +36,8 @@ typedef struct {
int import_time; /* -X importtime */
int show_ref_count; /* -X showrefcount */
int show_alloc_count; /* -X showalloccount */
int dump_refs; /* PYTHONDUMPREFS */
int malloc_stats; /* PYTHONMALLOCSTATS */
} _PyCoreConfig;
#define _PyCoreConfig_INIT (_PyCoreConfig){.use_hash_seed = -1}
@ -111,7 +113,7 @@ typedef struct _is {
PyObject *after_forkers_child;
#endif
} PyInterpreterState;
#endif
#endif /* !Py_LIMITED_API */
/* State unique per thread */
@ -133,7 +135,7 @@ typedef int (*Py_tracefunc)(PyObject *, struct _frame *, int, PyObject *);
#define PyTrace_C_EXCEPTION 5
#define PyTrace_C_RETURN 6
#define PyTrace_OPCODE 7
#endif
#endif /* Py_LIMITED_API */
#ifdef Py_LIMITED_API
typedef struct _ts PyThreadState;
@ -238,7 +240,7 @@ typedef struct _ts {
/* XXX signal handlers should also be here */
} PyThreadState;
#endif
#endif /* !Py_LIMITED_API */
PyAPI_FUNC(PyInterpreterState *) PyInterpreterState_New(void);
@ -363,7 +365,7 @@ PyAPI_FUNC(int) PyGILState_Check(void);
Return NULL before _PyGILState_Init() is called and after _PyGILState_Fini()
is called. */
PyAPI_FUNC(PyInterpreterState *) _PyGILState_GetInterpreterStateUnsafe(void);
#endif
#endif /* !Py_LIMITED_API */
/* The implementation of sys._current_frames() Returns a dict mapping