diff options
Diffstat (limited to 'generic')
-rw-r--r-- | generic/tclBasic.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/generic/tclBasic.c b/generic/tclBasic.c index 21fb2e2..e09ea1e 100644 --- a/generic/tclBasic.c +++ b/generic/tclBasic.c @@ -928,6 +928,17 @@ Tcl_CreateInterp(void) TclPrecTraceProc, NULL); TclpSetVariables(interp); +#ifdef TCL_THREADS + /* + * The existence of the "threaded" element of the tcl_platform array + * indicates that this particular Tcl shell has been compiled with threads + * turned on. Using "info exists tcl_platform(threaded)" a Tcl script can + * introspect on the interpreter level of thread safety. + */ + + Tcl_SetVar2(interp, "tcl_platform", "threaded", "1", TCL_GLOBAL_ONLY); +#endif + /* * Register Tcl's version number. * TIP #268: Full patchlevel instead of just major.minor |