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-rw-r--r--commit-slab.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/commit-slab.h b/commit-slab.h
index 05b3f2804e..8e72a30536 100644
--- a/commit-slab.h
+++ b/commit-slab.h
@@ -47,6 +47,16 @@
*
* Call this function before the slab falls out of scope to avoid
* leaking memory.
+ *
+ * - void deep_clear_indegree(struct indegree *, void (*free_fn)(int*))
+ *
+ * Empties the slab, similar to clear_indegree(), but in addition it
+ * calls the given 'free_fn' for each slab entry to release any
+ * additional memory that might be owned by the entry (but not the
+ * entry itself!).
+ * Note that 'free_fn' might be called even for entries for which no
+ * indegree_at() call has been made; in this case 'free_fn' is invoked
+ * with a pointer to a zero-initialized location.
*/
#define define_commit_slab(slabname, elemtype) \