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