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gh-124111: Fix TCL 9 threaded detection #128103

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Merged
zware merged 3 commits into from
Nov 12, 2025
Merged

gh-124111: Fix TCL 9 threaded detection #128103

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a2019e2
gh-124111: Fix TCL 9 threaded detection
cho-m Dec 19, 2024
ee2bc67
Add blurb
zware Nov 12, 2025
771f2b9
Merge remote-tracking branch 'origin/main' into tcl9-threaded-detection
zware Nov 12, 2025
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4 changes: 4 additions & 0 deletions Modules/_tkinter.c
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Original file line number Diff line number Diff line change
Expand Up @@ -583,8 +583,12 @@ Tkapp_New(const char *screenName, const char *className,

v->interp = Tcl_CreateInterp();
v->wantobjects = wantobjects;
#if TCL_MAJOR_VERSION >= 9
v->threaded = 1;
#else
v->threaded = Tcl_GetVar2Ex(v->interp, "tcl_platform", "threaded",
TCL_GLOBAL_ONLY) != NULL;
#endif
v->thread_id = Tcl_GetCurrentThread();
v->dispatching = 0;
v->trace = NULL;
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