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      1 
      2 /* Interfaces to configure, query, create & destroy the Python runtime */
      3 
      4 #ifndef Py_PYLIFECYCLE_H
      5 #define Py_PYLIFECYCLE_H
      6 #ifdef __cplusplus
      7 extern "C" {
      8 #endif
      9 
     10 #ifndef Py_LIMITED_API
     11 typedef struct {
     12     const char *prefix;
     13     const char *msg;
     14     int user_err;
     15 } _PyInitError;
     16 
     17 /* Almost all errors causing Python initialization to fail */
     18 #ifdef _MSC_VER
     19    /* Visual Studio 2015 doesn't implement C99 __func__ in C */
     20 #  define _Py_INIT_GET_FUNC() __FUNCTION__
     21 #else
     22 #  define _Py_INIT_GET_FUNC() __func__
     23 #endif
     24 
     25 #define _Py_INIT_OK() \
     26     (_PyInitError){.prefix = NULL, .msg = NULL, .user_err = 0}
     27 #define _Py_INIT_ERR(MSG) \
     28     (_PyInitError){.prefix = _Py_INIT_GET_FUNC(), .msg = (MSG), .user_err = 0}
     29 /* Error that can be fixed by the user like invalid input parameter.
     30    Don't abort() the process on such error. */
     31 #define _Py_INIT_USER_ERR(MSG) \
     32     (_PyInitError){.prefix = _Py_INIT_GET_FUNC(), .msg = (MSG), .user_err = 1}
     33 #define _Py_INIT_NO_MEMORY() _Py_INIT_USER_ERR("memory allocation failed")
     34 #define _Py_INIT_FAILED(err) \
     35     (err.msg != NULL)
     36 
     37 #endif
     38 
     39 
     40 PyAPI_FUNC(void) Py_SetProgramName(const wchar_t *);
     41 PyAPI_FUNC(wchar_t *) Py_GetProgramName(void);
     42 
     43 PyAPI_FUNC(void) Py_SetPythonHome(const wchar_t *);
     44 PyAPI_FUNC(wchar_t *) Py_GetPythonHome(void);
     45 
     46 #ifndef Py_LIMITED_API
     47 PyAPI_FUNC(void) _Py_SetProgramFullPath(const wchar_t *);
     48 
     49 /* Only used by applications that embed the interpreter and need to
     50  * override the standard encoding determination mechanism
     51  */
     52 PyAPI_FUNC(int) Py_SetStandardStreamEncoding(const char *encoding,
     53                                              const char *errors);
     54 
     55 /* PEP 432 Multi-phase initialization API (Private while provisional!) */
     56 PyAPI_FUNC(_PyInitError) _Py_InitializeCore(
     57     PyInterpreterState **interp_p,
     58     const _PyCoreConfig *config);
     59 PyAPI_FUNC(int) _Py_IsCoreInitialized(void);
     60 PyAPI_FUNC(_PyInitError) _Py_InitializeFromConfig(
     61     const _PyCoreConfig *config);
     62 #ifdef Py_BUILD_CORE
     63 PyAPI_FUNC(void) _Py_Initialize_ReadEnvVarsNoAlloc(void);
     64 #endif
     65 
     66 PyAPI_FUNC(PyObject *) _Py_GetGlobalVariablesAsDict(void);
     67 
     68 PyAPI_FUNC(_PyInitError) _PyCoreConfig_Read(_PyCoreConfig *);
     69 PyAPI_FUNC(void) _PyCoreConfig_Clear(_PyCoreConfig *);
     70 PyAPI_FUNC(int) _PyCoreConfig_Copy(
     71     _PyCoreConfig *config,
     72     const _PyCoreConfig *config2);
     73 PyAPI_FUNC(PyObject *) _PyCoreConfig_AsDict(const _PyCoreConfig *config);
     74 PyAPI_FUNC(void) _PyCoreConfig_SetGlobalConfig(
     75     const _PyCoreConfig *config);
     76 
     77 
     78 PyAPI_FUNC(_PyInitError) _PyMainInterpreterConfig_Read(
     79     _PyMainInterpreterConfig *config,
     80     const _PyCoreConfig *core_config);
     81 PyAPI_FUNC(void) _PyMainInterpreterConfig_Clear(_PyMainInterpreterConfig *);
     82 PyAPI_FUNC(int) _PyMainInterpreterConfig_Copy(
     83     _PyMainInterpreterConfig *config,
     84     const _PyMainInterpreterConfig *config2);
     85 /* Used by _testcapi.get_main_config() */
     86 PyAPI_FUNC(PyObject*) _PyMainInterpreterConfig_AsDict(
     87     const _PyMainInterpreterConfig *config);
     88 
     89 PyAPI_FUNC(_PyInitError) _Py_InitializeMainInterpreter(
     90         PyInterpreterState *interp,
     91         const _PyMainInterpreterConfig *config);
     92 #endif   /* !defined(Py_LIMITED_API) */
     93 
     94 
     95 /* Initialization and finalization */
     96 PyAPI_FUNC(void) Py_Initialize(void);
     97 PyAPI_FUNC(void) Py_InitializeEx(int);
     98 #ifndef Py_LIMITED_API
     99 PyAPI_FUNC(void) _Py_FatalInitError(_PyInitError err) _Py_NO_RETURN;
    100 #endif
    101 PyAPI_FUNC(void) Py_Finalize(void);
    102 #if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03060000
    103 PyAPI_FUNC(int) Py_FinalizeEx(void);
    104 #endif
    105 PyAPI_FUNC(int) Py_IsInitialized(void);
    106 
    107 /* Subinterpreter support */
    108 PyAPI_FUNC(PyThreadState *) Py_NewInterpreter(void);
    109 PyAPI_FUNC(void) Py_EndInterpreter(PyThreadState *);
    110 
    111 
    112 /* Py_PyAtExit is for the atexit module, Py_AtExit is for low-level
    113  * exit functions.
    114  */
    115 #ifndef Py_LIMITED_API
    116 PyAPI_FUNC(void) _Py_PyAtExit(void (*func)(PyObject *), PyObject *);
    117 #endif
    118 PyAPI_FUNC(int) Py_AtExit(void (*func)(void));
    119 
    120 PyAPI_FUNC(void) Py_Exit(int) _Py_NO_RETURN;
    121 
    122 /* Restore signals that the interpreter has called SIG_IGN on to SIG_DFL. */
    123 #ifndef Py_LIMITED_API
    124 PyAPI_FUNC(void) _Py_RestoreSignals(void);
    125 
    126 PyAPI_FUNC(int) Py_FdIsInteractive(FILE *, const char *);
    127 #endif
    128 
    129 /* Bootstrap __main__ (defined in Modules/main.c) */
    130 PyAPI_FUNC(int) Py_Main(int argc, wchar_t **argv);
    131 #ifdef Py_BUILD_CORE
    132 PyAPI_FUNC(int) _Py_UnixMain(int argc, char **argv);
    133 #endif
    134 
    135 /* In getpath.c */
    136 PyAPI_FUNC(wchar_t *) Py_GetProgramFullPath(void);
    137 PyAPI_FUNC(wchar_t *) Py_GetPrefix(void);
    138 PyAPI_FUNC(wchar_t *) Py_GetExecPrefix(void);
    139 PyAPI_FUNC(wchar_t *) Py_GetPath(void);
    140 #ifdef Py_BUILD_CORE
    141 PyAPI_FUNC(_PyInitError) _PyPathConfig_Init(const _PyCoreConfig *core_config);
    142 PyAPI_FUNC(PyObject*) _PyPathConfig_ComputeArgv0(int argc, wchar_t **argv);
    143 PyAPI_FUNC(int) _Py_FindEnvConfigValue(
    144     FILE *env_file,
    145     const wchar_t *key,
    146     wchar_t *value,
    147     size_t value_size);
    148 #endif
    149 PyAPI_FUNC(void)      Py_SetPath(const wchar_t *);
    150 #ifdef MS_WINDOWS
    151 int _Py_CheckPython3(void);
    152 #endif
    153 
    154 /* In their own files */
    155 PyAPI_FUNC(const char *) Py_GetVersion(void);
    156 PyAPI_FUNC(const char *) Py_GetPlatform(void);
    157 PyAPI_FUNC(const char *) Py_GetCopyright(void);
    158 PyAPI_FUNC(const char *) Py_GetCompiler(void);
    159 PyAPI_FUNC(const char *) Py_GetBuildInfo(void);
    160 #ifndef Py_LIMITED_API
    161 PyAPI_FUNC(const char *) _Py_gitidentifier(void);
    162 PyAPI_FUNC(const char *) _Py_gitversion(void);
    163 #endif
    164 
    165 /* Internal -- various one-time initializations */
    166 #ifndef Py_LIMITED_API
    167 PyAPI_FUNC(PyObject *) _PyBuiltin_Init(void);
    168 PyAPI_FUNC(_PyInitError) _PySys_BeginInit(PyObject **sysmod);
    169 PyAPI_FUNC(int) _PySys_EndInit(PyObject *sysdict, _PyMainInterpreterConfig *config);
    170 PyAPI_FUNC(_PyInitError) _PyImport_Init(PyInterpreterState *interp);
    171 PyAPI_FUNC(void) _PyExc_Init(PyObject * bltinmod);
    172 PyAPI_FUNC(_PyInitError) _PyImportHooks_Init(void);
    173 PyAPI_FUNC(int) _PyFrame_Init(void);
    174 PyAPI_FUNC(int) _PyFloat_Init(void);
    175 PyAPI_FUNC(int) PyByteArray_Init(void);
    176 PyAPI_FUNC(_PyInitError) _Py_HashRandomization_Init(const _PyCoreConfig *);
    177 #endif
    178 #ifdef Py_BUILD_CORE
    179 PyAPI_FUNC(int) _Py_ReadHashSeed(
    180     const char *seed_text,
    181     int *use_hash_seed,
    182     unsigned long *hash_seed);
    183 #endif
    184 
    185 /* Various internal finalizers */
    186 
    187 #ifdef Py_BUILD_CORE
    188 PyAPI_FUNC(void) _PyExc_Fini(void);
    189 PyAPI_FUNC(void) _PyImport_Fini(void);
    190 PyAPI_FUNC(void) _PyImport_Fini2(void);
    191 PyAPI_FUNC(void) _PyGC_DumpShutdownStats(void);
    192 PyAPI_FUNC(void) _PyGC_Fini(void);
    193 PyAPI_FUNC(void) _PyType_Fini(void);
    194 PyAPI_FUNC(void) _Py_HashRandomization_Fini(void);
    195 #endif   /* Py_BUILD_CORE */
    196 
    197 #ifndef Py_LIMITED_API
    198 PyAPI_FUNC(void) PyMethod_Fini(void);
    199 PyAPI_FUNC(void) PyFrame_Fini(void);
    200 PyAPI_FUNC(void) PyCFunction_Fini(void);
    201 PyAPI_FUNC(void) PyDict_Fini(void);
    202 PyAPI_FUNC(void) PyTuple_Fini(void);
    203 PyAPI_FUNC(void) PyList_Fini(void);
    204 PyAPI_FUNC(void) PySet_Fini(void);
    205 PyAPI_FUNC(void) PyBytes_Fini(void);
    206 PyAPI_FUNC(void) PyByteArray_Fini(void);
    207 PyAPI_FUNC(void) PyFloat_Fini(void);
    208 PyAPI_FUNC(void) PyOS_FiniInterrupts(void);
    209 PyAPI_FUNC(void) PySlice_Fini(void);
    210 PyAPI_FUNC(void) PyAsyncGen_Fini(void);
    211 
    212 PyAPI_FUNC(int) _Py_IsFinalizing(void);
    213 #endif   /* !Py_LIMITED_API */
    214 
    215 /* Signals */
    216 typedef void (*PyOS_sighandler_t)(int);
    217 PyAPI_FUNC(PyOS_sighandler_t) PyOS_getsig(int);
    218 PyAPI_FUNC(PyOS_sighandler_t) PyOS_setsig(int, PyOS_sighandler_t);
    219 
    220 #ifndef Py_LIMITED_API
    221 /* Random */
    222 PyAPI_FUNC(int) _PyOS_URandom(void *buffer, Py_ssize_t size);
    223 PyAPI_FUNC(int) _PyOS_URandomNonblock(void *buffer, Py_ssize_t size);
    224 #endif /* !Py_LIMITED_API */
    225 
    226 /* Legacy locale support */
    227 #ifndef Py_LIMITED_API
    228 PyAPI_FUNC(void) _Py_CoerceLegacyLocale(const _PyCoreConfig *config);
    229 PyAPI_FUNC(int) _Py_LegacyLocaleDetected(void);
    230 PyAPI_FUNC(char *) _Py_SetLocaleFromEnv(int category);
    231 #endif
    232 
    233 #ifdef __cplusplus
    234 }
    235 #endif
    236 #endif /* !Py_PYLIFECYCLE_H */
    237