summaryrefslogtreecommitdiffstats
path: root/src/avl.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2018-11-07 12:19:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2018-11-07 12:20:17 +0000
commita64a253794ac64cb40befee54db53bde17dd0d49 (patch)
treec1024acc5f6e508814b944d99f112259bb28b1be /src/avl.h
parentNew upstream version 1.10.0+dfsg (diff)
downloadnetdata-a64a253794ac64cb40befee54db53bde17dd0d49.tar.xz
netdata-a64a253794ac64cb40befee54db53bde17dd0d49.zip
New upstream version 1.11.0+dfsgupstream/1.11.0+dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/avl.h')
-rw-r--r--src/avl.h86
1 files changed, 0 insertions, 86 deletions
diff --git a/src/avl.h b/src/avl.h
deleted file mode 100644
index 19648cd1d..000000000
--- a/src/avl.h
+++ /dev/null
@@ -1,86 +0,0 @@
-
-#ifndef _AVL_H
-#define _AVL_H 1
-
-/* Maximum AVL tree height. */
-#ifndef AVL_MAX_HEIGHT
-#define AVL_MAX_HEIGHT 92
-#endif
-
-#ifndef AVL_WITHOUT_PTHREADS
-#include <pthread.h>
-
-// #define AVL_LOCK_WITH_MUTEX 1
-
-#ifdef AVL_LOCK_WITH_MUTEX
-#define AVL_LOCK_INITIALIZER NETDATA_MUTEX_INITIALIZER
-#else /* AVL_LOCK_WITH_MUTEX */
-#define AVL_LOCK_INITIALIZER NETDATA_RWLOCK_INITIALIZER
-#endif /* AVL_LOCK_WITH_MUTEX */
-
-#else /* AVL_WITHOUT_PTHREADS */
-#define AVL_LOCK_INITIALIZER
-#endif /* AVL_WITHOUT_PTHREADS */
-
-/* Data structures */
-
-/* One element of the AVL tree */
-typedef struct avl {
- struct avl *avl_link[2]; /* Subtrees. */
- signed char avl_balance; /* Balance factor. */
-} avl;
-
-/* An AVL tree */
-typedef struct avl_tree {
- avl *root;
- int (*compar)(void *a, void *b);
-} avl_tree;
-
-typedef struct avl_tree_lock {
- avl_tree avl_tree;
-
-#ifndef AVL_WITHOUT_PTHREADS
-#ifdef AVL_LOCK_WITH_MUTEX
- netdata_mutex_t mutex;
-#else /* AVL_LOCK_WITH_MUTEX */
- netdata_rwlock_t rwlock;
-#endif /* AVL_LOCK_WITH_MUTEX */
-#endif /* AVL_WITHOUT_PTHREADS */
-} avl_tree_lock;
-
-/* Public methods */
-
-/* Insert element a into the AVL tree t
- * returns the added element a, or a pointer the
- * element that is equal to a (as returned by t->compar())
- * a is linked directly to the tree, so it has to
- * be properly allocated by the caller.
- */
-avl *avl_insert_lock(avl_tree_lock *t, avl *a) NEVERNULL WARNUNUSED;
-avl *avl_insert(avl_tree *t, avl *a) NEVERNULL WARNUNUSED;
-
-/* Remove an element a from the AVL tree t
- * returns a pointer to the removed element
- * or NULL if an element equal to a is not found
- * (equal as returned by t->compar())
- */
-avl *avl_remove_lock(avl_tree_lock *t, avl *a) WARNUNUSED;
-avl *avl_remove(avl_tree *t, avl *a) WARNUNUSED;
-
-/* Find the element into the tree that equal to a
- * (equal as returned by t->compar())
- * returns NULL is no element is equal to a
- */
-avl *avl_search_lock(avl_tree_lock *t, avl *a);
-avl *avl_search(avl_tree *t, avl *a);
-
-/* Initialize the avl_tree_lock
- */
-void avl_init_lock(avl_tree_lock *t, int (*compar)(void *a, void *b));
-void avl_init(avl_tree *t, int (*compar)(void *a, void *b));
-
-
-int avl_traverse_lock(avl_tree_lock *t, int (*callback)(void *entry, void *data), void *data);
-int avl_traverse(avl_tree *t, int (*callback)(void *entry, void *data), void *data);
-
-#endif /* avl.h */