Refine comment of GC_print_free_list regarding GC lock

(documentation)

* include/gc/gc_inline.h (GC_print_free_list): Add comment about
assumption about the GC lock.
* reclaim.c (GC_print_free_list): Likewise.

1 files changed, 2 insertions, 1 deletions

diff --git a/reclaim.c b/reclaim.c
index e5e66d74..d66b7e05 100644
--- a/reclaim.c
+++ b/reclaim.c
@@ -589,7 +589,8 @@ void GC_print_block_list(void)
               (unsigned long)pstats.total_bytes);
 }
 
-/* Currently for debugger use only: */
+/* Currently for debugger use only.  Assumes the allocation lock is */
+/* held but no assertion about it by design.                        */
 GC_API void GC_CALL GC_print_free_list(int kind, size_t sz_in_granules)
 {
     void *flh_next;