X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcode%2Ftarget-thread.lisp;h=bc478fafc0c68ec77a95641d52c51d000a94e755;hb=85a570a6668fbca35a7a600ac3b2045bf2fb922a;hp=1d8cdcd12913437db0a3df2b6adfbdad7d74fdc4;hpb=7717fef2d28f273185838304a20bafe660a1fde2;p=sbcl.git

diff --git a/src/code/target-thread.lisp b/src/code/target-thread.lisp
index 1d8cdcd..bc478fa 100644
--- a/src/code/target-thread.lisp
+++ b/src/code/target-thread.lisp
@@ -1196,7 +1196,26 @@ SB-EXT:QUIT - the usual cleanup forms will be evaluated"
                      (setf (sap-ref-word (%thread-sap thread) offset)
                            (get-lisp-obj-address value))
                      (values value :ok))))
-            (values nil :thread-dead))))))
+            (values nil :thread-dead)))))
+
+  (define-alien-variable tls-index-start unsigned-int)
+
+  ;; Get values from the TLS area of the current thread.
+  (defun %thread-local-references ()
+    (without-gcing
+      (let ((sap (%thread-sap *current-thread*)))
+        (loop for index from tls-index-start
+                below (symbol-value 'sb!vm::*free-tls-index*)
+              for value = (sap-ref-word sap (* sb!vm:n-word-bytes index))
+              for (obj ok) = (multiple-value-list (sb!kernel:make-lisp-obj value nil))
+              unless (or (not ok)
+                         (typep obj '(or fixnum character))
+                         (member value
+                                 '(#.sb!vm:no-tls-value-marker-widetag
+                                   #.sb!vm:unbound-marker-widetag))
+                         (member obj seen :test #'eq))
+                collect obj into seen
+              finally (return seen))))))
 
 (defun symbol-value-in-thread (symbol thread &optional (errorp t))
   "Return the local value of SYMBOL in THREAD, and a secondary value of T