Move hash table to common/ directory

[lttng-tools.git] / common / hashtable.h

diff --git a/common/hashtable.h b/common/hashtable.h
new file mode 100644 (file)
index 0000000..b7f7314
--- /dev/null
+++ b/common/hashtable.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; only version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
+ * Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+
+#ifndef _LTT_HASHTABLE_H 
+#define _LTT_HASHTABLE_H
+
+#include <urcu.h>
+#include "hashtable/rculfhash.h"
+
+struct cds_lfht *hashtable_new(unsigned long size);
+struct cds_lfht *hashtable_new_str(unsigned long size);
+
+struct cds_lfht_node *hashtable_iter_get_node(struct cds_lfht_iter *iter);
+struct cds_lfht_node *hashtable_lookup(struct cds_lfht *ht, void *key,
+               size_t key_len, struct cds_lfht_iter *iter);
+
+void hashtable_get_first(struct cds_lfht *ht, struct cds_lfht_iter *iter);
+void hashtable_get_next(struct cds_lfht *ht, struct cds_lfht_iter *iter);
+void hashtable_add_unique(struct cds_lfht *ht, struct cds_lfht_node *node);
+void hashtable_node_init(struct cds_lfht_node *node,
+               void *key, size_t key_len);
+
+int hashtable_del(struct cds_lfht *ht, struct cds_lfht_iter *iter);
+unsigned long hashtable_get_count(struct cds_lfht *ht);
+int hashtable_destroy(struct cds_lfht *ht);
+
+#endif /* _LTT_HASHTABLE_H */