Diffstat (limited to 'contrib/userspace-rcu/rculist-extra.h')
1 files changed, 42 insertions, 0 deletions
diff --git a/contrib/userspace-rcu/rculist-extra.h b/contrib/userspace-rcu/rculist-extra.h
new file mode 100644
@@ -0,0 +1,42 @@
+ * Copyright (C) 2002 Free Software Foundation, Inc.
+ * (originally part of the GNU C Library)
+ * Contributed by Ulrich Drepper <email@example.com>, 2002.
+ * Copyright (C) 2009 Pierre-Marc Fournier
+ * Conversion to RCU list.
+ * Copyright (C) 2010 Mathieu Desnoyers <firstname.lastname@example.org>
+ * 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
+/* Copying this definition from liburcu-0.8 as liburcu-0.7 does not have this
+ * particular list api
+/* Add new element at the tail of the list. */
+void cds_list_add_tail_rcu(struct cds_list_head *newp,
+ struct cds_list_head *head)
+ newp->next = head;
+ newp->prev = head->prev;
+ rcu_assign_pointer(head->prev->next, newp);
+ head->prev = newp;