blob: 2fbc4f979318660ec57fb28c06d097c89d6801f4 [file] [log] [blame]
Nick Coghland6009512014-11-20 21:39:37 +10001
2/* Interfaces to configure, query, create & destroy the Python runtime */
3
4#ifndef Py_PYLIFECYCLE_H
5#define Py_PYLIFECYCLE_H
6#ifdef __cplusplus
7extern "C" {
8#endif
9
Nick Coghland6009512014-11-20 21:39:37 +100010#ifndef Py_LIMITED_API
Victor Stinnerf7e5b562017-11-15 15:48:08 -080011typedef 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}
Victor Stinner46972b72017-11-24 22:55:40 +010033#define _Py_INIT_NO_MEMORY() _Py_INIT_USER_ERR("memory allocation failed")
Victor Stinnerf7e5b562017-11-15 15:48:08 -080034#define _Py_INIT_FAILED(err) \
35 (err.msg != NULL)
36
Victor Stinner0327bde2017-11-23 17:03:20 +010037#endif
38
39
Serhiy Storchaka4ae06c52017-12-12 13:55:04 +020040PyAPI_FUNC(void) Py_SetProgramName(const wchar_t *);
Victor Stinner0327bde2017-11-23 17:03:20 +010041PyAPI_FUNC(wchar_t *) Py_GetProgramName(void);
42
Serhiy Storchaka4ae06c52017-12-12 13:55:04 +020043PyAPI_FUNC(void) Py_SetPythonHome(const wchar_t *);
Victor Stinner0327bde2017-11-23 17:03:20 +010044PyAPI_FUNC(wchar_t *) Py_GetPythonHome(void);
Victor Stinner0327bde2017-11-23 17:03:20 +010045
46#ifndef Py_LIMITED_API
47/* Only used by applications that embed the interpreter and need to
48 * override the standard encoding determination mechanism
49 */
50PyAPI_FUNC(int) Py_SetStandardStreamEncoding(const char *encoding,
51 const char *errors);
52
Eric Snow1abcf672017-05-23 21:46:51 -070053/* PEP 432 Multi-phase initialization API (Private while provisional!) */
Victor Stinnerf7e5b562017-11-15 15:48:08 -080054PyAPI_FUNC(_PyInitError) _Py_InitializeCore(const _PyCoreConfig *);
Eric Snow1abcf672017-05-23 21:46:51 -070055PyAPI_FUNC(int) _Py_IsCoreInitialized(void);
Victor Stinner46972b72017-11-24 22:55:40 +010056
Victor Stinnerf2626ce2018-07-21 03:54:20 +020057PyAPI_FUNC(_PyInitError) _PyCoreConfig_Read(
58 _PyCoreConfig *config,
59 int *isolated,
60 int *no_site_import);
Victor Stinnerb5fd9ad2017-12-14 02:20:52 +010061PyAPI_FUNC(void) _PyCoreConfig_Clear(_PyCoreConfig *);
Victor Stinnerda273412017-12-15 01:46:02 +010062PyAPI_FUNC(int) _PyCoreConfig_Copy(
63 _PyCoreConfig *config,
64 const _PyCoreConfig *config2);
Victor Stinnerf2626ce2018-07-21 03:54:20 +020065PyAPI_FUNC(_PyInitError) _PyCoreConfig_InitPathConfig(
66 _PyCoreConfig *config,
67 int *isolated,
68 int *no_site_import);
Victor Stinnerb1147e42018-07-21 02:06:16 +020069PyAPI_FUNC(_PyInitError) _PyCoreConfig_SetPathConfig(
70 const _PyCoreConfig *config);
Victor Stinnerb5fd9ad2017-12-14 02:20:52 +010071
Victor Stinnerc4bca952017-12-19 23:48:17 +010072PyAPI_FUNC(_PyInitError) _PyMainInterpreterConfig_Read(
73 _PyMainInterpreterConfig *config,
74 const _PyCoreConfig *core_config);
Victor Stinner46972b72017-11-24 22:55:40 +010075PyAPI_FUNC(void) _PyMainInterpreterConfig_Clear(_PyMainInterpreterConfig *);
Victor Stinnerda273412017-12-15 01:46:02 +010076PyAPI_FUNC(int) _PyMainInterpreterConfig_Copy(
77 _PyMainInterpreterConfig *config,
78 const _PyMainInterpreterConfig *config2);
Victor Stinner46972b72017-11-24 22:55:40 +010079
Victor Stinnerf7e5b562017-11-15 15:48:08 -080080PyAPI_FUNC(_PyInitError) _Py_InitializeMainInterpreter(const _PyMainInterpreterConfig *);
Nick Coghland6009512014-11-20 21:39:37 +100081#endif
82
Eric Snow1abcf672017-05-23 21:46:51 -070083/* Initialization and finalization */
Nick Coghland6009512014-11-20 21:39:37 +100084PyAPI_FUNC(void) Py_Initialize(void);
85PyAPI_FUNC(void) Py_InitializeEx(int);
86#ifndef Py_LIMITED_API
Victor Stinnerf7e5b562017-11-15 15:48:08 -080087PyAPI_FUNC(_PyInitError) _Py_InitializeEx_Private(int, int);
88PyAPI_FUNC(void) _Py_FatalInitError(_PyInitError err) _Py_NO_RETURN;
Nick Coghland6009512014-11-20 21:39:37 +100089#endif
90PyAPI_FUNC(void) Py_Finalize(void);
Martin Panterb4ce1fc2015-11-30 03:18:29 +000091PyAPI_FUNC(int) Py_FinalizeEx(void);
Nick Coghland6009512014-11-20 21:39:37 +100092PyAPI_FUNC(int) Py_IsInitialized(void);
Eric Snow1abcf672017-05-23 21:46:51 -070093
94/* Subinterpreter support */
Nick Coghland6009512014-11-20 21:39:37 +100095PyAPI_FUNC(PyThreadState *) Py_NewInterpreter(void);
96PyAPI_FUNC(void) Py_EndInterpreter(PyThreadState *);
97
98
99/* Py_PyAtExit is for the atexit module, Py_AtExit is for low-level
100 * exit functions.
101 */
102#ifndef Py_LIMITED_API
Marcel Plch776407f2017-12-20 11:17:58 +0100103PyAPI_FUNC(void) _Py_PyAtExit(void (*func)(PyObject *), PyObject *);
Nick Coghland6009512014-11-20 21:39:37 +1000104#endif
105PyAPI_FUNC(int) Py_AtExit(void (*func)(void));
106
Victor Stinnerf7e5b562017-11-15 15:48:08 -0800107PyAPI_FUNC(void) Py_Exit(int) _Py_NO_RETURN;
Nick Coghland6009512014-11-20 21:39:37 +1000108
109/* Restore signals that the interpreter has called SIG_IGN on to SIG_DFL. */
110#ifndef Py_LIMITED_API
111PyAPI_FUNC(void) _Py_RestoreSignals(void);
112
113PyAPI_FUNC(int) Py_FdIsInteractive(FILE *, const char *);
114#endif
115
116/* Bootstrap __main__ (defined in Modules/main.c) */
117PyAPI_FUNC(int) Py_Main(int argc, wchar_t **argv);
Victor Stinner94540602017-12-16 04:54:22 +0100118#ifdef Py_BUILD_CORE
119PyAPI_FUNC(int) _Py_UnixMain(int argc, char **argv);
120#endif
Nick Coghland6009512014-11-20 21:39:37 +1000121
122/* In getpath.c */
123PyAPI_FUNC(wchar_t *) Py_GetProgramFullPath(void);
124PyAPI_FUNC(wchar_t *) Py_GetPrefix(void);
125PyAPI_FUNC(wchar_t *) Py_GetExecPrefix(void);
126PyAPI_FUNC(wchar_t *) Py_GetPath(void);
Victor Stinnerd4341102017-11-23 00:12:09 +0100127#ifdef Py_BUILD_CORE
Victor Stinnerb1147e42018-07-21 02:06:16 +0200128struct _PyPathConfig;
129typedef struct _PyPathConfig _PyPathConfig;
130
131PyAPI_FUNC(_PyInitError) _PyPathConfig_SetGlobal(
132 const _PyPathConfig *config);
Victor Stinner11a247d2017-12-13 21:05:57 +0100133PyAPI_FUNC(PyObject*) _PyPathConfig_ComputeArgv0(int argc, wchar_t **argv);
Victor Stinner9bee3292017-12-21 16:49:13 +0100134PyAPI_FUNC(int) _Py_FindEnvConfigValue(
135 FILE *env_file,
136 const wchar_t *key,
137 wchar_t *value,
138 size_t value_size);
Victor Stinnerd4341102017-11-23 00:12:09 +0100139#endif
Nick Coghland6009512014-11-20 21:39:37 +1000140PyAPI_FUNC(void) Py_SetPath(const wchar_t *);
141#ifdef MS_WINDOWS
Victor Stinner31a83932017-12-04 13:39:15 +0100142int _Py_CheckPython3(void);
Nick Coghland6009512014-11-20 21:39:37 +1000143#endif
144
145/* In their own files */
146PyAPI_FUNC(const char *) Py_GetVersion(void);
147PyAPI_FUNC(const char *) Py_GetPlatform(void);
148PyAPI_FUNC(const char *) Py_GetCopyright(void);
149PyAPI_FUNC(const char *) Py_GetCompiler(void);
150PyAPI_FUNC(const char *) Py_GetBuildInfo(void);
151#ifndef Py_LIMITED_API
Ned Deily5c4b0d02017-03-04 00:19:55 -0500152PyAPI_FUNC(const char *) _Py_gitidentifier(void);
153PyAPI_FUNC(const char *) _Py_gitversion(void);
Nick Coghland6009512014-11-20 21:39:37 +1000154#endif
155
156/* Internal -- various one-time initializations */
157#ifndef Py_LIMITED_API
158PyAPI_FUNC(PyObject *) _PyBuiltin_Init(void);
Victor Stinnerf7e5b562017-11-15 15:48:08 -0800159PyAPI_FUNC(_PyInitError) _PySys_BeginInit(PyObject **sysmod);
Victor Stinner41264f12017-12-15 02:05:29 +0100160PyAPI_FUNC(int) _PySys_EndInit(PyObject *sysdict, _PyMainInterpreterConfig *config);
Victor Stinner672b6ba2017-12-06 17:25:50 +0100161PyAPI_FUNC(_PyInitError) _PyImport_Init(PyInterpreterState *interp);
Nick Coghland6009512014-11-20 21:39:37 +1000162PyAPI_FUNC(void) _PyExc_Init(PyObject * bltinmod);
Victor Stinnerf7e5b562017-11-15 15:48:08 -0800163PyAPI_FUNC(_PyInitError) _PyImportHooks_Init(void);
Nick Coghland6009512014-11-20 21:39:37 +1000164PyAPI_FUNC(int) _PyFloat_Init(void);
165PyAPI_FUNC(int) PyByteArray_Init(void);
Victor Stinner358e5e12017-12-15 00:51:22 +0100166PyAPI_FUNC(_PyInitError) _Py_HashRandomization_Init(const _PyCoreConfig *);
167#endif
168#ifdef Py_BUILD_CORE
169PyAPI_FUNC(int) _Py_ReadHashSeed(
170 const char *seed_text,
171 int *use_hash_seed,
172 unsigned long *hash_seed);
Nick Coghland6009512014-11-20 21:39:37 +1000173#endif
174
175/* Various internal finalizers */
Victor Stinner92a3c6f2017-12-06 18:12:59 +0100176
177#ifdef Py_BUILD_CORE
Nick Coghland6009512014-11-20 21:39:37 +1000178PyAPI_FUNC(void) _PyExc_Fini(void);
179PyAPI_FUNC(void) _PyImport_Fini(void);
Victor Stinner92a3c6f2017-12-06 18:12:59 +0100180PyAPI_FUNC(void) _PyImport_Fini2(void);
181PyAPI_FUNC(void) _PyGC_DumpShutdownStats(void);
182PyAPI_FUNC(void) _PyGC_Fini(void);
183PyAPI_FUNC(void) _PyType_Fini(void);
184PyAPI_FUNC(void) _Py_HashRandomization_Fini(void);
185#endif /* Py_BUILD_CORE */
186
187#ifndef Py_LIMITED_API
Nick Coghland6009512014-11-20 21:39:37 +1000188PyAPI_FUNC(void) PyMethod_Fini(void);
189PyAPI_FUNC(void) PyFrame_Fini(void);
190PyAPI_FUNC(void) PyCFunction_Fini(void);
191PyAPI_FUNC(void) PyDict_Fini(void);
192PyAPI_FUNC(void) PyTuple_Fini(void);
193PyAPI_FUNC(void) PyList_Fini(void);
194PyAPI_FUNC(void) PySet_Fini(void);
195PyAPI_FUNC(void) PyBytes_Fini(void);
196PyAPI_FUNC(void) PyByteArray_Fini(void);
197PyAPI_FUNC(void) PyFloat_Fini(void);
198PyAPI_FUNC(void) PyOS_FiniInterrupts(void);
Nick Coghland6009512014-11-20 21:39:37 +1000199PyAPI_FUNC(void) PySlice_Fini(void);
Yury Selivanoveb636452016-09-08 22:01:51 -0700200PyAPI_FUNC(void) PyAsyncGen_Fini(void);
Nick Coghland6009512014-11-20 21:39:37 +1000201
Eric Snow2ebc5ce2017-09-07 23:51:28 -0600202PyAPI_FUNC(int) _Py_IsFinalizing(void);
Victor Stinner92a3c6f2017-12-06 18:12:59 +0100203#endif /* !Py_LIMITED_API */
Nick Coghland6009512014-11-20 21:39:37 +1000204
205/* Signals */
206typedef void (*PyOS_sighandler_t)(int);
207PyAPI_FUNC(PyOS_sighandler_t) PyOS_getsig(int);
208PyAPI_FUNC(PyOS_sighandler_t) PyOS_setsig(int, PyOS_sighandler_t);
209
Serhiy Storchaka9fab79b2016-09-11 11:03:14 +0300210#ifndef Py_LIMITED_API
Nick Coghland6009512014-11-20 21:39:37 +1000211/* Random */
Victor Stinnere66987e2016-09-06 16:33:52 -0700212PyAPI_FUNC(int) _PyOS_URandom(void *buffer, Py_ssize_t size);
213PyAPI_FUNC(int) _PyOS_URandomNonblock(void *buffer, Py_ssize_t size);
Serhiy Storchaka9fab79b2016-09-11 11:03:14 +0300214#endif /* !Py_LIMITED_API */
Nick Coghland6009512014-11-20 21:39:37 +1000215
Erik Bray031c4bf2017-10-27 11:46:03 +0200216/* Legacy locale support */
217#ifndef Py_LIMITED_API
Victor Stinner94540602017-12-16 04:54:22 +0100218PyAPI_FUNC(void) _Py_CoerceLegacyLocale(const _PyCoreConfig *config);
Erik Bray031c4bf2017-10-27 11:46:03 +0200219PyAPI_FUNC(int) _Py_LegacyLocaleDetected(void);
xdegaye1588be62017-11-12 12:45:59 +0100220PyAPI_FUNC(char *) _Py_SetLocaleFromEnv(int category);
Erik Bray031c4bf2017-10-27 11:46:03 +0200221#endif
222
Nick Coghland6009512014-11-20 21:39:37 +1000223#ifdef __cplusplus
224}
225#endif
226#endif /* !Py_PYLIFECYCLE_H */