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comparison Python/pythonrun.c @ 5405:b7871ca930ad legacy-trunk

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Massive changes for separate thread state management. All per-thread globals are moved into a struct which is manipulated separately.
author Guido van Rossum <guido@python.org>
date Mon, 05 May 1997 20:56:21 +0000
parents 07ed52e200db
children 596380a567d2
comparison
equal deleted inserted replaced
5404:3780cce14f7d 5405:b7871ca930ad
75 int Py_DebugFlag; /* Needed by parser.c */ 75 int Py_DebugFlag; /* Needed by parser.c */
76 int Py_VerboseFlag; /* Needed by import.c */ 76 int Py_VerboseFlag; /* Needed by import.c */
77 int Py_SuppressPrintingFlag; /* Needed by ceval.c */ 77 int Py_SuppressPrintingFlag; /* Needed by ceval.c */
78 int Py_InteractiveFlag; /* Needed by Py_FdIsInteractive() below */ 78 int Py_InteractiveFlag; /* Needed by Py_FdIsInteractive() below */
79 79
80 /* Initialize all */ 80 /* Initialize the current interpreter; pass in the Python path. */
81 81
82 void 82 void
83 Py_Initialize() 83 Py_Setup()
84 { 84 {
85 static int inited;
86
87 if (inited)
88 return;
89 inited = 1;
90
91 PyImport_Init(); 85 PyImport_Init();
92 86
93 /* Modules '__builtin__' and 'sys' are initialized here, 87 /* Modules '__builtin__' and 'sys' are initialized here,
94 they are needed by random bits of the interpreter. 88 they are needed by random bits of the interpreter.
95 All other modules are optional and are initialized 89 All other modules are optional and are initialized
102 96
103 initsigs(); /* Signal handling stuff, including initintr() */ 97 initsigs(); /* Signal handling stuff, including initintr() */
104 98
105 initmain(); 99 initmain();
106 } 100 }
101
102 /* Create and interpreter and thread state and initialize them;
103 if we already have an interpreter and thread, do nothing.
104 Fatal error if the creation fails. */
105
106 void
107 Py_Initialize()
108 {
109 PyThreadState *tstate;
110 PyInterpreterState *interp;
111 if (PyThreadState_Get())
112 return;
113 interp = PyInterpreterState_New();
114 if (interp == NULL)
115 Py_FatalError("PyInterpreterState_New() failed");
116 tstate = PyThreadState_New(interp);
117 if (tstate == NULL)
118 Py_FatalError("PyThreadState_New() failed");
119 (void) PyThreadState_Swap(tstate);
120
121 Py_Setup();
122
123 PySys_SetPath(Py_GetPath());
124 }
125
126 /*
127 Py_Initialize()
128 -- do everything, no-op on second call, call fatal on failure, set path
129
130 #2
131 -- create new interp+tstate & make it current, return NULL on failure,
132 make it current, do all setup, set path
133
134 #3
135 -- #2 without set path
136
137 #4
138 -- is there any point to #3 for caller-provided current interp+tstate?
139
140 */
107 141
108 /* Create __main__ module */ 142 /* Create __main__ module */
109 143
110 static void 144 static void
111 initmain() 145 initmain()