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return old value of PyMac_DoYieldEnabled; -1 means do not even check for interrupts

This commit is contained in:
Guido van Rossum 1995-02-26 10:20:53 +00:00
parent 83c434b145
commit e7134aa0f2
2 changed files with 15 additions and 6 deletions
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11
Mac/Modules/macosmodule.c
View File

@ -197,13 +197,13 @@ MacOS_SetScheduleTimes(PyObject *self, PyObject *args)
static PyObject *
MacOS_EnableAppswitch(PyObject *self, PyObject *args)
{
int enable;
int old, new;
if (!PyArg_ParseTuple(args, "i", &enable))
if (!PyArg_ParseTuple(args, "i", &new))
return NULL;
PyMac_DoYieldEnabled = enable;
Py_INCREF(Py_None);
return Py_None;
old = PyMac_DoYieldEnabled;
PyMac_DoYieldEnabled = new;
return Py_BuildValue("i", old);
}
@ -246,3 +246,4 @@ MacOS_Init()
if (MacOS_Error == NULL || PyDict_SetItemString(d, "Error", MacOS_Error) != 0)
Py_FatalError("can't define MacOS.Error");
}

10
Mac/Python/macglue.c
View File

@ -115,7 +115,12 @@ static long yield_bg = 12;
static long lastyield;
static int in_foreground;
int PyMac_DoYieldEnabled = 1; /* Don't do eventloop when false */
/*
** When > 0, do full scanning for events (program is not event aware)
** when == 0, only scan for Command-period
** when < 0, don't do any event scanning
*/
int PyMac_DoYieldEnabled = 1;
/* Convert C to Pascal string. Returns pointer to static buffer. */
unsigned char *
@ -238,6 +243,8 @@ scan_event_queue(flush)
int
PyOS_InterruptOccurred()
{
if (PyMac_DoYieldEnabled < 0)
return 0;
#ifdef THINK_C
scan_event_queue(1);
#endif
@ -882,3 +889,4 @@ PyMac_InitApplication()
}
Py_Main(argc, argv);
}