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-rw-r--r--libguile/threads.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/libguile/threads.h b/libguile/threads.h
index 54d64141b..2d2348bde 100644
--- a/libguile/threads.h
+++ b/libguile/threads.h
@@ -81,6 +81,10 @@ typedef struct scm_i_thread {
SCM dynamic_state;
SCM dynwinds;
+ /* Thread-local gensym counter.
+ */
+ unsigned char *gensym_counter;
+
/* For system asyncs.
*/
SCM active_asyncs; /* The thunks to be run at the next