mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-11-03 03:22:27 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 8

Darn. When thread support is disabled, the BEGIN/END macros don't

Browse source 
save and restore the tstate, but explicitly calling
PyEval_SaveThread() does reset it!  While I think about how to fix
this for real, here's a fix that avoids getting a fatal error.
This commit is contained in:
Guido van Rossum 1997-10-10 17:39:19 +00:00
parent 04d5c5827a
commit a59406abdf
2 changed files with 8 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

9
Modules/_tkinter.c
View file

@ -1456,14 +1456,15 @@ static PyInterpreterState *event_interp = NULL;
static int
EventHook()
{
PyThreadState *tstate;
PyThreadState *tstate, *save_tstate;
if (Tk_GetNumMainWindows() == 0)
return 0;
if (event_interp == NULL)
return 0;
tstate = PyThreadState_New(event_interp);
PyEval_AcquireThread(tstate);
save_tstate = PyThreadState_Swap(NULL);
PyEval_RestoreThread(tstate);
if (!errorInCmd)
Tcl_DoOneEvent(TCL_DONT_WAIT);
if (errorInCmd) {
@ -1473,7 +1474,8 @@ EventHook()
PyErr_Print();
}
PyThreadState_Clear(tstate);
PyEval_ReleaseThread(tstate);
PyEval_SaveThread();
PyThreadState_Swap(save_tstate);
PyThreadState_Delete(tstate);
return 0;
}
@ -1536,7 +1538,6 @@ init_tkinter()
PyDict_SetItemString(d, "TkttType", (PyObject *)&Tktt_Type);
if (PyOS_InputHook == NULL) {
PyEval_InitThreads();
event_interp = PyThreadState_Get()->interp;
PyOS_InputHook = EventHook;
}

3
Modules/readline.c
View file

@ -168,8 +168,10 @@ on_completion(text, state)
char *result = NULL;
if (completer != NULL) {
PyObject *r;
PyThreadState *save_tstate;
/* Note that readline is called with the interpreter
lock released! */
save_tstate = PyThreadState_Swap(NULL);
PyEval_RestoreThread(tstate);
r = PyObject_CallFunction(completer, "si", text, state);
if (r == NULL)
@ -190,6 +192,7 @@ on_completion(text, state)
Py_XDECREF(r);
done:
PyEval_SaveThread();
PyThreadState_Swap(save_tstate);
}
return result;
}