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gh-103092: Isolate _tkinter (WIP) #103108

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45f3b7d
Establish global state
erlend-aasland Mar 29, 2023
d09999d
DEBUG: disable test restriction
erlend-aasland Mar 29, 2023
ad27a32
Adapt PyTclObject_Type and move it to module state
erlend-aasland Mar 29, 2023
ae833f8
Adapt Tkapp_Type and add it to module state
erlend-aasland Mar 29, 2023
18b1a42
Adapt Tktt_Type and add it to state
erlend-aasland Mar 29, 2023
6bfafcc
Add Tkinter_TclError to state
erlend-aasland Mar 29, 2023
3d8d5df
Add tcl_lock to state
erlend-aasland Mar 29, 2023
02d4b26
Put error handling vars in module state
erlend-aasland Mar 29, 2023
6610e11
Put Tkinter_busywaitinterval into module state
erlend-aasland Mar 29, 2023
b6ac21d
Put HeadFHCD into module state
erlend-aasland Mar 29, 2023
3d3e881
Put stdin_ready into module state
erlend-aasland Mar 29, 2023
686b69a
Put event_tstate into module state
erlend-aasland Mar 29, 2023
525897d
Purge non-existent valInCmd and trbInCmd
erlend-aasland Mar 29, 2023
ef328cf
Make space for module state
erlend-aasland Mar 29, 2023
3349ad3
Add get-state helpers
erlend-aasland Mar 29, 2023
e04df03
Get rid of most GLOBAL_STATE() use
erlend-aasland Mar 29, 2023
6818bb2
Get rid of more GLOBAL_STATE() calls
erlend-aasland Mar 29, 2023
d3b8f5e
Pull in main
erlend-aasland Apr 19, 2023
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Put Tkinter_busywaitinterval into module state
  • Loading branch information
@erlend-aasland
erlend-aasland committed Mar 29, 2023
commit 6610e11236a15bb6a7118ccc2050e89a4ff46ac3
14 changes: 8 additions & 6 deletions Modules/_tkinter.c
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Original file line number Diff line number Diff line change
Expand Up @@ -354,8 +354,6 @@ Tkinter_Error(TkappObject *self)

/**** Utils ****/

static int Tkinter_busywaitinterval = 20;

#ifndef MS_WINDOWS

/* Millisecond sleep() for Unix platforms. */
Expand Down Expand Up @@ -2753,7 +2751,7 @@ _tkinter_tkapp_mainloop_impl(TkappObject *self, int threshold)
PyThread_release_lock(st->tcl_lock);
}
if (result == 0)
Sleep(Tkinter_busywaitinterval);
Sleep(st->Tkinter_busywaitinterval);
Py_END_ALLOW_THREADS
}

Expand Down Expand Up @@ -3083,7 +3081,8 @@ _tkinter_setbusywaitinterval_impl(PyObject *module, int new_val)
"busywaitinterval must be >= 0");
return NULL;
}
Tkinter_busywaitinterval = new_val;
module_state *st = GLOBAL_STATE();
st->Tkinter_busywaitinterval = new_val;
Py_RETURN_NONE;
}

Expand All @@ -3097,7 +3096,8 @@ static int
_tkinter_getbusywaitinterval_impl(PyObject *module)
/*[clinic end generated code: output=23b72d552001f5c7 input=a695878d2d576a84]*/
{
return Tkinter_busywaitinterval;
module_state *st = GLOBAL_STATE();
return st->Tkinter_busywaitinterval;
}

#include "clinic/_tkinter.c.h"
Expand Down Expand Up @@ -3238,7 +3238,7 @@ EventHook(void)
PyThread_release_lock(st->tcl_lock);
}
if (result == 0)
Sleep(Tkinter_busywaitinterval);
Sleep(st->Tkinter_busywaitinterval);
Py_END_ALLOW_THREADS

if (result < 0)
Expand Down Expand Up @@ -3299,6 +3299,8 @@ PyInit__tkinter(void)
PyObject *m, *uexe, *cexe, *o;

module_state *st = GLOBAL_STATE();
st->Tkinter_busywaitinterval = 20;

st->tcl_lock = PyThread_allocate_lock();
if (st->tcl_lock == NULL)
return NULL;
Expand Down
3 changes: 3 additions & 0 deletions Modules/tkinter.h
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Expand Up @@ -38,6 +38,9 @@ typedef struct {
PyObject *excInCmd;
int errorInCmd;
int quitMainLoop;

// Util
int Tkinter_busywaitinterval;
} module_state;

extern module_state global_state;
Expand Down
1 change: 0 additions & 1 deletion Tools/c-analyzer/cpython/globals-to-fix.tsv
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Expand Up @@ -524,7 +524,6 @@ Modules/_ctypes/cfield.c - formattable -
Modules/_ctypes/malloc_closure.c - free_list -
Modules/_curses_panel.c - lop -
Modules/_ssl/debughelpers.c _PySSL_keylog_callback lock -
Modules/_tkinter.c - Tkinter_busywaitinterval -
Modules/_tkinter.c - call_mutex -
Modules/_tkinter.c - var_mutex -
Modules/_tkinter.c - command_mutex -
Expand Down