generic interface for map-like data structures

[nbds] / map / mlocal.h

diff --git a/map/mlocal.h b/map/mlocal.h
new file mode 100644 (file)
index 0000000..548a49f
--- /dev/null
+++ b/map/mlocal.h
@@ -0,0 +1,34 @@
+#ifndef STRUCT_H
+#define STRUCT_H
+
+#define CAS_EXPECT_DOES_NOT_EXIST ( 0)
+#define CAS_EXPECT_EXISTS         (-1)
+#define CAS_EXPECT_WHATEVER       (-2)
+
+typedef struct ht hashtable_t;
+hashtable_t *ht_alloc (void);
+uint64_t ht_cas    (hashtable_t *ht, const char *key, uint32_t key_len, uint64_t expected_val, uint64_t val);
+uint64_t ht_get    (hashtable_t *ht, const char *key, uint32_t len);
+uint64_t ht_remove (hashtable_t *ht, const char *key, uint32_t len);
+uint64_t ht_count  (hashtable_t *ht);
+void     ht_print  (hashtable_t *ht);
+void     ht_free   (hashtable_t *ht);
+
+typedef struct ll list_t;
+list_t * ll_alloc  (void);
+uint64_t ll_lookup (list_t *ll, const void *key_data, uint32_t key_len);
+uint64_t ll_cas    (list_t *ll, const void *key_data, uint32_t key_len, uint64_t expected_val, uint64_t new_val);
+uint64_t ll_remove (list_t *ll, const void *key_data, uint32_t key_len);
+void     ll_print  (list_t *ll);
+void     ll_free   (list_t *ll);
+
+typedef struct sl skiplist_t;
+skiplist_t * sl_alloc (void);
+uint64_t sl_lookup (skiplist_t *sl, const void *key_data, uint32_t key_len);
+uint64_t sl_cas    (skiplist_t *sl, const void *key_data, uint32_t key_len, uint64_t expected_val, uint64_t new_val);
+uint64_t sl_remove (skiplist_t *sl, const void *key_data, uint32_t key_len);
+void     sl_print  (skiplist_t *sl);
+void     sl_free   (list_t *sl);
+
+
+#endif//STRUCT_H