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133 lines
3.9 KiB
133 lines
3.9 KiB
6 years ago
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#ifndef Py_INTERNAL_PYSTATE_H
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#define Py_INTERNAL_PYSTATE_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "pystate.h"
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#include "pyatomic.h"
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#include "pythread.h"
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#include "internal/mem.h"
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#include "internal/ceval.h"
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#include "internal/warnings.h"
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/* GIL state */
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struct _gilstate_runtime_state {
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int check_enabled;
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/* Assuming the current thread holds the GIL, this is the
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PyThreadState for the current thread. */
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_Py_atomic_address tstate_current;
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PyThreadFrameGetter getframe;
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/* The single PyInterpreterState used by this process'
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GILState implementation
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*/
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/* TODO: Given interp_main, it may be possible to kill this ref */
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PyInterpreterState *autoInterpreterState;
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Py_tss_t autoTSSkey;
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};
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/* hook for PyEval_GetFrame(), requested for Psyco */
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#define _PyThreadState_GetFrame _PyRuntime.gilstate.getframe
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/* Issue #26558: Flag to disable PyGILState_Check().
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If set to non-zero, PyGILState_Check() always return 1. */
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#define _PyGILState_check_enabled _PyRuntime.gilstate.check_enabled
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typedef struct {
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/* Full path to the Python program */
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wchar_t *program_full_path;
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wchar_t *prefix;
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#ifdef MS_WINDOWS
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wchar_t *dll_path;
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#else
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wchar_t *exec_prefix;
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#endif
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/* Set by Py_SetPath(), or computed by _PyPathConfig_Init() */
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wchar_t *module_search_path;
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/* Python program name */
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wchar_t *program_name;
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/* Set by Py_SetPythonHome() or PYTHONHOME environment variable */
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wchar_t *home;
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} _PyPathConfig;
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#define _PyPathConfig_INIT {.module_search_path = NULL}
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/* Note: _PyPathConfig_INIT sets other fields to 0/NULL */
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PyAPI_DATA(_PyPathConfig) _Py_path_config;
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PyAPI_FUNC(_PyInitError) _PyPathConfig_Calculate(
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_PyPathConfig *config,
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const _PyCoreConfig *core_config);
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PyAPI_FUNC(void) _PyPathConfig_Clear(_PyPathConfig *config);
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/* interpreter state */
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PyAPI_FUNC(PyInterpreterState *) _PyInterpreterState_LookUpID(PY_INT64_T);
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PyAPI_FUNC(int) _PyInterpreterState_IDInitref(PyInterpreterState *);
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PyAPI_FUNC(void) _PyInterpreterState_IDIncref(PyInterpreterState *);
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PyAPI_FUNC(void) _PyInterpreterState_IDDecref(PyInterpreterState *);
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/* Full Python runtime state */
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typedef struct pyruntimestate {
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int initialized;
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int core_initialized;
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PyThreadState *finalizing;
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struct pyinterpreters {
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PyThread_type_lock mutex;
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PyInterpreterState *head;
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PyInterpreterState *main;
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/* _next_interp_id is an auto-numbered sequence of small
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integers. It gets initialized in _PyInterpreterState_Init(),
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which is called in Py_Initialize(), and used in
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PyInterpreterState_New(). A negative interpreter ID
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indicates an error occurred. The main interpreter will
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always have an ID of 0. Overflow results in a RuntimeError.
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If that becomes a problem later then we can adjust, e.g. by
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using a Python int. */
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int64_t next_id;
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} interpreters;
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#define NEXITFUNCS 32
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void (*exitfuncs[NEXITFUNCS])(void);
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int nexitfuncs;
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struct _gc_runtime_state gc;
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struct _warnings_runtime_state warnings;
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struct _ceval_runtime_state ceval;
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struct _gilstate_runtime_state gilstate;
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// XXX Consolidate globals found via the check-c-globals script.
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} _PyRuntimeState;
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#define _PyRuntimeState_INIT {.initialized = 0, .core_initialized = 0}
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/* Note: _PyRuntimeState_INIT sets other fields to 0/NULL */
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PyAPI_DATA(_PyRuntimeState) _PyRuntime;
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PyAPI_FUNC(_PyInitError) _PyRuntimeState_Init(_PyRuntimeState *);
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PyAPI_FUNC(void) _PyRuntimeState_Fini(_PyRuntimeState *);
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/* Initialize _PyRuntimeState.
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Return NULL on success, or return an error message on failure. */
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PyAPI_FUNC(_PyInitError) _PyRuntime_Initialize(void);
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#define _Py_CURRENTLY_FINALIZING(tstate) \
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(_PyRuntime.finalizing == tstate)
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/* Other */
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PyAPI_FUNC(_PyInitError) _PyInterpreterState_Enable(_PyRuntimeState *);
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#ifdef __cplusplus
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}
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#endif
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#endif /* !Py_INTERNAL_PYSTATE_H */
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