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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 stdin_ready into module state
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@erlend-aasland
erlend-aasland committed Mar 29, 2023
commit 3d3e8818dba06e128fb6baa7dbdcd98e51105192
11 changes: 5 additions & 6 deletions Modules/_tkinter.c
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Original file line number Diff line number Diff line change
Expand Up @@ -3191,13 +3191,12 @@ static PyMethodDef moduleMethods[] =

#ifdef WAIT_FOR_STDIN

static int stdin_ready = 0;

#ifndef MS_WINDOWS
static void
MyFileProc(void *clientData, int mask)
{
stdin_ready = 1;
module_state *st = GLOBAL_STATE();
st->stdin_ready = 1;
}
#endif

Expand All @@ -3211,17 +3210,17 @@ EventHook(void)
int tfile;
#endif
PyEval_RestoreThread(event_tstate);
stdin_ready = 0;
st->stdin_ready = 0;
st->errorInCmd = 0;
#ifndef MS_WINDOWS
tfile = fileno(stdin);
Tcl_CreateFileHandler(tfile, TCL_READABLE, MyFileProc, NULL);
#endif
while (!st->errorInCmd && !stdin_ready) {
while (!st->errorInCmd && !st->stdin_ready) {
int result;
#ifdef MS_WINDOWS
if (_kbhit()) {
stdin_ready = 1;
st->stdin_ready = 1;
break;
}
#endif
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1 change: 1 addition & 0 deletions Modules/tkinter.h
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Expand Up @@ -42,6 +42,7 @@ typedef struct {
// Util
int Tkinter_busywaitinterval;
struct _fhcdata *HeadFHCD;
int stdin_ready;
} module_state;

extern module_state global_state;
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1 change: 0 additions & 1 deletion Tools/c-analyzer/cpython/globals-to-fix.tsv
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Expand Up @@ -527,7 +527,6 @@ Modules/_ssl/debughelpers.c _PySSL_keylog_callback lock -
Modules/_tkinter.c - call_mutex -
Modules/_tkinter.c - var_mutex -
Modules/_tkinter.c - command_mutex -
Modules/_tkinter.c - stdin_ready -
Modules/_tkinter.c - event_tstate -
Modules/_xxinterpchannelsmodule.c - _globals -
Modules/readline.c - completer_word_break_characters -
Expand Down