Commit 703b1cf9 authored by Gemini Lasswell's avatar Gemini Lasswell

Add check in list-threads for --without-threads configuration

* lisp/thread.el (list-threads): Signal an error if the Emacs configuration
doesn't have threads.
parent e19ca775
......@@ -82,6 +82,9 @@ An EVENT has the format
(defun list-threads ()
"Display a list of threads."
(interactive)
;; Threads may not exist, if Emacs was configured --without-threads.
(unless (bound-and-true-p main-thread)
(error "Threads are not supported in this configuration"))
;; Generate the Threads list buffer, and switch to it.
(let ((buf (get-buffer-create "*Threads*")))
(with-current-buffer buf
......
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