Kubernetes labels (#10107)

Co-authored-by: Markos Fountoulakis <markos.fountoulakis.senior@gmail.com>
Co-authored-by: Vladimir Kobal <vlad@prokk.net>

2 files changed, 19 insertions, 0 deletions

diff --git a/libnetdata/avl/avl.c b/libnetdata/avl/avl.c
index 15293740d4..5219851896 100644
--- a/libnetdata/avl/avl.c
+++ b/libnetdata/avl/avl.c
@@ -367,6 +367,22 @@ void avl_init_lock(avl_tree_lock *tree, int (*compar)(void * /*a*/, void * /*b*/
 #endif /* AVL_WITHOUT_PTHREADS */
 }
 
+void avl_destroy_lock(avl_tree_lock *tree) {
+#ifndef AVL_WITHOUT_PTHREADS
+    int lock;
+
+#ifdef AVL_LOCK_WITH_MUTEX
+    lock = pthread_mutex_destroy(&tree->mutex);
+#else
+    lock = pthread_rwlock_destroy(&tree->rwlock);
+#endif
+
+    if(lock != 0)
+        fatal("Failed to destroy AVL mutex/rwlock, error: %d", lock);
+
+#endif /* AVL_WITHOUT_PTHREADS */
+}
+
 avl *avl_search_lock(avl_tree_lock *tree, avl *item) {
     avl_read_lock(tree);
     avl *ret = avl_search(&tree->avl_tree, item);
diff --git a/libnetdata/avl/avl.h b/libnetdata/avl/avl.h
index a3e0f65667..32e3f27a8b 100644
--- a/libnetdata/avl/avl.h
+++ b/libnetdata/avl/avl.h
@@ -82,6 +82,9 @@ avl *avl_search(avl_tree_type *tree, avl *item);
 void avl_init_lock(avl_tree_lock *tree, int (*compar)(void *a, void *b));
 void avl_init(avl_tree_type *tree, int (*compar)(void *a, void *b));
 
+/* Destroy the avl_tree_lock locks
+ */
+void avl_destroy_lock(avl_tree_lock *tree);
 
 int avl_traverse_lock(avl_tree_lock *tree, int (*callback)(void *entry, void *data), void *data);
 int avl_traverse(avl_tree_type *tree, int (*callback)(void *entry, void *data), void *data);