lfstack: implement lock-free stack

[urcu.git] / lfstack.c

diff --git a/lfstack.c b/lfstack.c
new file mode 100644 (file)
index 0000000..74ffd4f
--- /dev/null
+++ b/lfstack.c
@@ -0,0 +1,51 @@
+/*
+ * lfstack.c
+ *
+ * Userspace RCU library - Lock-Free Stack
+ *
+ * Copyright 2010-2012 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/* Do not #define _LGPL_SOURCE to ensure we can emit the wrapper symbols */
+#undef _LGPL_SOURCE
+#include "urcu/lfstack.h"
+#define _LGPL_SOURCE
+#include "urcu/static/lfstack.h"
+
+/*
+ * library wrappers to be used by non-LGPL compatible source code.
+ */
+
+void cds_lfs_node_init(struct cds_lfs_node *node)
+{
+       _cds_lfs_node_init(node);
+}
+
+void cds_lfs_init(struct cds_lfs_stack *s)
+{
+       _cds_lfs_init(s);
+}
+
+int cds_lfs_push(struct cds_lfs_stack *s, struct cds_lfs_node *node)
+{
+       return _cds_lfs_push(s, node);
+}
+
+struct cds_lfs_node *cds_lfs_pop(struct cds_lfs_stack *s)
+{
+       return _cds_lfs_pop(s);
+}