X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=base-target-features.lisp-expr;h=f1110c4424a5fac278e1cb306676020b670eed30;hb=641fe4d4aa7cafc39219e93baa0b5fd019f376ee;hp=fdc3c680b80b18b88efa1e4135fb41f38c02f14b;hpb=6d3a964ae6d89003fc056d9cfa8afe31fd63514f;p=sbcl.git

diff --git a/base-target-features.lisp-expr b/base-target-features.lisp-expr
index fdc3c68..f1110c4 100644
--- a/base-target-features.lisp-expr
+++ b/base-target-features.lisp-expr
@@ -138,6 +138,23 @@
  ;; anyone who wants to collect such statistics in the future.
  ; :sb-dyncount
 
+ ;; Enable code for detecting concurrent accesses to the same hash-table
+ ;; in multiple threads. Note that this implementation is currently
+ ;; (2007-09-11) somewhat too eager: even though in the current implementation
+ ;; multiple readers are thread safe as long as there are no writers, this
+ ;; code will also trap multiple readers.
+ ; :sb-hash-table-debug
+
+ ;; Enabled automatically by make-config.sh for platforms which implement
+ ;; the %READ-CYCLE-COUNTER VOP. Can be disabled manually: affects TIME.
+ ;;
+ ;; FIXME: Should this be :SB-CYCLE-COUNTER instead? If so, then the same goes
+ ;; for :COMPARE-AND-SWAP-VOPS as well, and a bunch of others. Perhaps
+ ;; built-time convenience features like this should all live in eg. SB!INT
+ ;; instead?
+ ;;
+ ; :cycle-counter
+
  ;; Peter Van Eynde's increase-bulletproofness code for CMU CL
  ;;
  ;; Some of the code which was #+high-security before the fork has now