PyThreadState * Py_NewInterpreter(void) { PyInterpreterState *interp; PyThreadState *tstate, *save_tstate; PyObject *bimod, *sysmod; if (!initialized) Py_FatalError("Py_NewInterpreter: call Py_Initialize first"); interp = PyInterpreterState_New(); if (interp == NULL) return NULL; tstate = PyThreadState_New(interp); if (tstate == NULL) { PyInterpreterState_Delete(interp); return NULL; } save_tstate = PyThreadState_Swap(tstate); /* XXX The following is lax in error checking */ interp->modules = PyDict_New(); bimod = _PyImport_FindExtension("__builtin__", "__builtin__"); if (bimod != NULL) { interp->builtins = PyModule_GetDict(bimod); Py_INCREF(interp->builtins); } sysmod = _PyImport_FindExtension("sys", "sys"); if (bimod != NULL && sysmod != NULL) { interp->sysdict = PyModule_GetDict(sysmod); Py_INCREF(interp->sysdict); PySys_SetPath(Py_GetPath()); PyDict_SetItemString(interp->sysdict, "modules", interp->modules); initmain(); if (!Py_NoSiteFlag) initsite(); } if (!PyErr_Occurred()) return tstate; /* Oops, it didn't work. Undo it all. */ PyErr_Print(); PyThreadState_Clear(tstate); PyThreadState_Swap(save_tstate); PyThreadState_Delete(tstate); PyInterpreterState_Delete(interp); return NULL; }
void Py_Initialize(void) { PyInterpreterState *interp; PyThreadState *tstate; PyObject *bimod, *sysmod; char *p; if (initialized) return; initialized = 1; if ((p = getenv("PYTHONDEBUG")) && *p != '\0') Py_DebugFlag = Py_DebugFlag ? Py_DebugFlag : 1; if ((p = getenv("PYTHONVERBOSE")) && *p != '\0') Py_VerboseFlag = Py_VerboseFlag ? Py_VerboseFlag : 1; if ((p = getenv("PYTHONOPTIMIZE")) && *p != '\0') Py_OptimizeFlag = Py_OptimizeFlag ? Py_OptimizeFlag : 1; interp = PyInterpreterState_New(); if (interp == NULL) Py_FatalError("Py_Initialize: can't make first interpreter"); tstate = PyThreadState_New(interp); if (tstate == NULL) Py_FatalError("Py_Initialize: can't make first thread"); (void) PyThreadState_Swap(tstate); interp->modules = PyDict_New(); if (interp->modules == NULL) Py_FatalError("Py_Initialize: can't make modules dictionary"); /* Init codec registry */ _PyCodecRegistry_Init(); /* Init Unicode implementation; relies on the codec registry */ _PyUnicode_Init(); _PyCompareState_Key = PyString_InternFromString("cmp_state"); bimod = _PyBuiltin_Init(); if (bimod == NULL) Py_FatalError("Py_Initialize: can't initialize __builtin__"); interp->builtins = PyModule_GetDict(bimod); Py_INCREF(interp->builtins); sysmod = _PySys_Init(); if (sysmod == NULL) Py_FatalError("Py_Initialize: can't initialize sys"); interp->sysdict = PyModule_GetDict(sysmod); Py_INCREF(interp->sysdict); _PyImport_FixupExtension("sys", "sys"); PySys_SetPath(Py_GetPath()); PyDict_SetItemString(interp->sysdict, "modules", interp->modules); _PyImport_Init(); /* initialize builtin exceptions */ init_exceptions(); /* phase 2 of builtins */ _PyImport_FixupExtension("__builtin__", "__builtin__"); initsigs(); /* Signal handling stuff, including initintr() */ initmain(); /* Module __main__ */ if (!Py_NoSiteFlag) initsite(); /* Module site */ }
void Py_InitializeEx(int install_sigs) { PyInterpreterState *interp; PyThreadState *tstate; PyObject *bimod, *sysmod; char *p; #if defined(Py_USING_UNICODE) && defined(HAVE_LANGINFO_H) && defined(CODESET) char *codeset; char *saved_locale; PyObject *sys_stream, *sys_isatty; #endif extern void _Py_ReadyTypes(void); if (initialized) return; initialized = 1; if ((p = Py_GETENV("PYTHONDEBUG")) && *p != '\0') Py_DebugFlag = add_flag(Py_DebugFlag, p); if ((p = Py_GETENV("PYTHONVERBOSE")) && *p != '\0') Py_VerboseFlag = add_flag(Py_VerboseFlag, p); if ((p = Py_GETENV("PYTHONOPTIMIZE")) && *p != '\0') Py_OptimizeFlag = add_flag(Py_OptimizeFlag, p); interp = PyInterpreterState_New(); if (interp == NULL) Py_FatalError("Py_Initialize: can't make first interpreter"); tstate = PyThreadState_New(interp); if (tstate == NULL) Py_FatalError("Py_Initialize: can't make first thread"); (void) PyThreadState_Swap(tstate); _Py_ReadyTypes(); if (!_PyFrame_Init()) Py_FatalError("Py_Initialize: can't init frames"); if (!_PyInt_Init()) Py_FatalError("Py_Initialize: can't init ints"); _PyFloat_Init(); interp->modules = PyDict_New(); if (interp->modules == NULL) Py_FatalError("Py_Initialize: can't make modules dictionary"); interp->modules_reloading = PyDict_New(); if (interp->modules_reloading == NULL) Py_FatalError("Py_Initialize: can't make modules_reloading dictionary"); #ifdef Py_USING_UNICODE /* Init Unicode implementation; relies on the codec registry */ _PyUnicode_Init(); #endif bimod = _PyBuiltin_Init(); if (bimod == NULL) Py_FatalError("Py_Initialize: can't initialize __builtin__"); interp->builtins = PyModule_GetDict(bimod); if (interp->builtins == NULL) Py_FatalError("Py_Initialize: can't initialize builtins dict"); Py_INCREF(interp->builtins); sysmod = _PySys_Init(); if (sysmod == NULL) Py_FatalError("Py_Initialize: can't initialize sys"); interp->sysdict = PyModule_GetDict(sysmod); if (interp->sysdict == NULL) Py_FatalError("Py_Initialize: can't initialize sys dict"); Py_INCREF(interp->sysdict); _PyImport_FixupExtension("sys", "sys"); PySys_SetPath(Py_GetPath()); PyDict_SetItemString(interp->sysdict, "modules", interp->modules); _PyImport_Init(); /* initialize builtin exceptions */ _PyExc_Init(); _PyImport_FixupExtension("exceptions", "exceptions"); /* phase 2 of builtins */ _PyImport_FixupExtension("__builtin__", "__builtin__"); _PyImportHooks_Init(); if (install_sigs) initsigs(); /* Signal handling stuff, including initintr() */ initmain(); /* Module __main__ */ if (!Py_NoSiteFlag) initsite(); /* Module site */ /* auto-thread-state API, if available */ #ifdef WITH_THREAD _PyGILState_Init(interp, tstate); #endif /* WITH_THREAD */ warnings_module = PyImport_ImportModule("warnings"); if (!warnings_module) PyErr_Clear(); #if defined(Py_USING_UNICODE) && defined(HAVE_LANGINFO_H) && defined(CODESET) /* On Unix, set the file system encoding according to the user's preference, if the CODESET names a well-known Python codec, and Py_FileSystemDefaultEncoding isn't initialized by other means. Also set the encoding of stdin and stdout if these are terminals. */ saved_locale = strdup(setlocale(LC_CTYPE, NULL)); setlocale(LC_CTYPE, ""); codeset = nl_langinfo(CODESET); if (codeset && *codeset) { PyObject *enc = PyCodec_Encoder(codeset); if (enc) { codeset = strdup(codeset); Py_DECREF(enc); } else { codeset = NULL; PyErr_Clear(); } } else codeset = NULL; setlocale(LC_CTYPE, saved_locale); free(saved_locale); if (codeset) { sys_stream = PySys_GetObject("stdin"); sys_isatty = PyObject_CallMethod(sys_stream, "isatty", ""); if (!sys_isatty) PyErr_Clear(); if(sys_isatty && PyObject_IsTrue(sys_isatty) && PyFile_Check(sys_stream)) { if (!PyFile_SetEncoding(sys_stream, codeset)) Py_FatalError("Cannot set codeset of stdin"); } Py_XDECREF(sys_isatty); sys_stream = PySys_GetObject("stdout"); sys_isatty = PyObject_CallMethod(sys_stream, "isatty", ""); if (!sys_isatty) PyErr_Clear(); if(sys_isatty && PyObject_IsTrue(sys_isatty) && PyFile_Check(sys_stream)) { if (!PyFile_SetEncoding(sys_stream, codeset)) Py_FatalError("Cannot set codeset of stdout"); } Py_XDECREF(sys_isatty); sys_stream = PySys_GetObject("stderr"); sys_isatty = PyObject_CallMethod(sys_stream, "isatty", ""); if (!sys_isatty) PyErr_Clear(); if(sys_isatty && PyObject_IsTrue(sys_isatty) && PyFile_Check(sys_stream)) { if (!PyFile_SetEncoding(sys_stream, codeset)) Py_FatalError("Cannot set codeset of stderr"); } Py_XDECREF(sys_isatty); if (!Py_FileSystemDefaultEncoding) Py_FileSystemDefaultEncoding = codeset; else free(codeset); } #endif }
PyThreadState * Py_NewInterpreter(void) { PyInterpreterState *interp; PyThreadState *tstate, *save_tstate; PyObject *bimod, *sysmod; if (!initialized) Py_FatalError("Py_NewInterpreter: call Py_Initialize first"); #ifdef WITH_THREAD /* Issue #10915, #15751: The GIL API doesn't work with multiple interpreters: disable PyGILState_Check(). */ _PyGILState_check_enabled = 0; #endif interp = PyInterpreterState_New(); if (interp == NULL) return NULL; tstate = PyThreadState_New(interp); if (tstate == NULL) { PyInterpreterState_Delete(interp); return NULL; } save_tstate = PyThreadState_Swap(tstate); /* XXX The following is lax in error checking */ interp->modules = PyDict_New(); bimod = _PyImport_FindBuiltin("builtins"); if (bimod != NULL) { interp->builtins = PyModule_GetDict(bimod); if (interp->builtins == NULL) goto handle_error; Py_INCREF(interp->builtins); } /* initialize builtin exceptions */ _PyExc_Init(bimod); sysmod = _PyImport_FindBuiltin("sys"); if (bimod != NULL && sysmod != NULL) { PyObject *pstderr; interp->sysdict = PyModule_GetDict(sysmod); if (interp->sysdict == NULL) goto handle_error; Py_INCREF(interp->sysdict); PySys_SetPath(Py_GetPath()); PyDict_SetItemString(interp->sysdict, "modules", interp->modules); /* Set up a preliminary stderr printer until we have enough infrastructure for the io module in place. */ pstderr = PyFile_NewStdPrinter(fileno(stderr)); if (pstderr == NULL) Py_FatalError("Py_Initialize: can't set preliminary stderr"); _PySys_SetObjectId(&PyId_stderr, pstderr); PySys_SetObject("__stderr__", pstderr); Py_DECREF(pstderr); _PyImportHooks_Init(); import_init(interp, sysmod); if (initfsencoding(interp) < 0) goto handle_error; if (initstdio() < 0) Py_FatalError( "Py_Initialize: can't initialize sys standard streams"); initmain(interp); if (!Py_NoSiteFlag) initsite(); } if (!PyErr_Occurred()) return tstate; handle_error: /* Oops, it didn't work. Undo it all. */ PyErr_PrintEx(0); PyThreadState_Clear(tstate); PyThreadState_Swap(save_tstate); PyThreadState_Delete(tstate); PyInterpreterState_Delete(interp); return NULL; }
void _Py_InitializeEx_Private(int install_sigs, int install_importlib) { PyInterpreterState *interp; PyThreadState *tstate; PyObject *bimod, *sysmod, *pstderr; char *p; extern void _Py_ReadyTypes(void); if (initialized) return; initialized = 1; _Py_Finalizing = NULL; #if defined(HAVE_LANGINFO_H) && defined(HAVE_SETLOCALE) /* Set up the LC_CTYPE locale, so we can obtain the locale's charset without having to switch locales. */ setlocale(LC_CTYPE, ""); #endif if ((p = Py_GETENV("PYTHONDEBUG")) && *p != '\0') Py_DebugFlag = add_flag(Py_DebugFlag, p); if ((p = Py_GETENV("PYTHONVERBOSE")) && *p != '\0') Py_VerboseFlag = add_flag(Py_VerboseFlag, p); if ((p = Py_GETENV("PYTHONOPTIMIZE")) && *p != '\0') Py_OptimizeFlag = add_flag(Py_OptimizeFlag, p); if ((p = Py_GETENV("PYTHONDONTWRITEBYTECODE")) && *p != '\0') Py_DontWriteBytecodeFlag = add_flag(Py_DontWriteBytecodeFlag, p); /* The variable is only tested for existence here; _PyRandom_Init will check its value further. */ if ((p = Py_GETENV("PYTHONHASHSEED")) && *p != '\0') Py_HashRandomizationFlag = add_flag(Py_HashRandomizationFlag, p); _PyRandom_Init(); interp = PyInterpreterState_New(); if (interp == NULL) Py_FatalError("Py_Initialize: can't make first interpreter"); tstate = PyThreadState_New(interp); if (tstate == NULL) Py_FatalError("Py_Initialize: can't make first thread"); (void) PyThreadState_Swap(tstate); #ifdef WITH_THREAD /* We can't call _PyEval_FiniThreads() in Py_FinalizeEx because destroying the GIL might fail when it is being referenced from another running thread (see issue #9901). Instead we destroy the previously created GIL here, which ensures that we can call Py_Initialize / Py_FinalizeEx multiple times. */ _PyEval_FiniThreads(); /* Auto-thread-state API */ _PyGILState_Init(interp, tstate); #endif /* WITH_THREAD */ _Py_ReadyTypes(); if (!_PyFrame_Init()) Py_FatalError("Py_Initialize: can't init frames"); if (!_PyLong_Init()) Py_FatalError("Py_Initialize: can't init longs"); if (!PyByteArray_Init()) Py_FatalError("Py_Initialize: can't init bytearray"); if (!_PyFloat_Init()) Py_FatalError("Py_Initialize: can't init float"); interp->modules = PyDict_New(); if (interp->modules == NULL) Py_FatalError("Py_Initialize: can't make modules dictionary"); /* Init Unicode implementation; relies on the codec registry */ if (_PyUnicode_Init() < 0) Py_FatalError("Py_Initialize: can't initialize unicode"); if (_PyStructSequence_Init() < 0) Py_FatalError("Py_Initialize: can't initialize structseq"); bimod = _PyBuiltin_Init(); if (bimod == NULL) Py_FatalError("Py_Initialize: can't initialize builtins modules"); _PyImport_FixupBuiltin(bimod, "builtins"); interp->builtins = PyModule_GetDict(bimod); if (interp->builtins == NULL) Py_FatalError("Py_Initialize: can't initialize builtins dict"); Py_INCREF(interp->builtins); /* initialize builtin exceptions */ _PyExc_Init(bimod); sysmod = _PySys_Init(); if (sysmod == NULL) Py_FatalError("Py_Initialize: can't initialize sys"); interp->sysdict = PyModule_GetDict(sysmod); if (interp->sysdict == NULL) Py_FatalError("Py_Initialize: can't initialize sys dict"); Py_INCREF(interp->sysdict); _PyImport_FixupBuiltin(sysmod, "sys"); PySys_SetPath(Py_GetPath()); PyDict_SetItemString(interp->sysdict, "modules", interp->modules); /* Set up a preliminary stderr printer until we have enough infrastructure for the io module in place. */ pstderr = PyFile_NewStdPrinter(fileno(stderr)); if (pstderr == NULL) Py_FatalError("Py_Initialize: can't set preliminary stderr"); _PySys_SetObjectId(&PyId_stderr, pstderr); PySys_SetObject("__stderr__", pstderr); Py_DECREF(pstderr); _PyImport_Init(); _PyImportHooks_Init(); /* Initialize _warnings. */ _PyWarnings_Init(); if (!install_importlib) return; if (_PyTime_Init() < 0) Py_FatalError("Py_Initialize: can't initialize time"); import_init(interp, sysmod); /* initialize the faulthandler module */ if (_PyFaulthandler_Init()) Py_FatalError("Py_Initialize: can't initialize faulthandler"); if (initfsencoding(interp) < 0) Py_FatalError("Py_Initialize: unable to load the file system codec"); if (install_sigs) initsigs(); /* Signal handling stuff, including initintr() */ if (_PyTraceMalloc_Init() < 0) Py_FatalError("Py_Initialize: can't initialize tracemalloc"); initmain(interp); /* Module __main__ */ if (initstdio() < 0) Py_FatalError( "Py_Initialize: can't initialize sys standard streams"); /* Initialize warnings. */ if (PySys_HasWarnOptions()) { PyObject *warnings_module = PyImport_ImportModule("warnings"); if (warnings_module == NULL) { fprintf(stderr, "'import warnings' failed; traceback:\n"); PyErr_Print(); } Py_XDECREF(warnings_module); } if (!Py_NoSiteFlag) initsite(); /* Module site */ }
void /*FUNCTION*/ initcommon() { int nerr; /*===================================================================== * PURPOSE: Variable initialization of ALL common blocks. *===================================================================== * MODULE/LEVEL: EXM/4 *===================================================================== * GLOBAL INPUT: * MACH: KWSNGL, KWMULT, KWCONC * MEM: MMEM, MEPSL * CSF: KTOKDL, NTOKDL, KMSGDL, NMSGDL *===================================================================== * GLOBAL OUTPUT: * MEM: SACMEM *===================================================================== * MODIFICATION HISTORY: * 920414: Moved block data initialization to initsac as a new * procedure, initblkdata, while portint to IBM RISC 6000. * 920410: Added nlevelsgt data initialization after taking it out * of getvlist and getvlist2, moving common to inc/vars. * * 920309: Added include dload and initialization of global nfiles. * 920330: Added block data initialization of common variables. * Added include gem, dfm, cnv, vars. Added initialization * of ndsflcnt - files in data-set storage. * 911107: Added nerr check and exti on initcomlists. * 900405: Added call to INITCONTATTR. * 900305: Added call to INIXYZ. * 880520: Fixed bug in call to endgraphics. * 870527: Deleted call to INIWVT. * 870513: Deleted call to INIOFM. * 870317: Added call to INIICM. * 870301: Added call to create global variable store. * 860407: Added call to INIAM. * 860327: Added call to INIWVT. * Moved call to DELIMS from INISAC to here. * 860218: Added call to WILDCH. * 830309: Added call to end graphics library. * 810514: Added call to INISNF * 810414: Original version. *===================================================================== * DOCUMENTED/REVIEWED: 900305 *===================================================================== */ /* PROCEDURE: */ /* - Terminate graphics library. */ endgraphics( &nerr ); /* - SAC's common blocks. */ inibom(); inicom(); inicpf(); inidfm(); inieam(); iniexm(); inifks(); inigem(); inigam(); inihdr(); inilhf(); inisam(); iniscm(); inispe(); initok(); inisss(); iniuom(); initcomlists( &nerr ); if( nerr == 901 ) exit(1); initsite(); inismm(); inibbs(); iniicm(); inivars(); inixyz(); initcontattr(); /* - SACMEM array manager. */ iniam( &cmmem ); /* - Blackboard store. */ createbbs( &nerr ); reperr(nerr); sac_report_files_in_memory(&nerr); /* - Initialize wildcard patterns with system values. */ wildch( KWSNGL, KWMULT, KWCONC ); return; } /* end of function */