rculfhash: make cds_lfht_iter_get_node argument const

[userspace-rcu.git] / urcu / lfstack.h

diff --git a/urcu/lfstack.h b/urcu/lfstack.h
deleted file mode 100644 (file)
index d068739..0000000
--- a/urcu/lfstack.h
+++ /dev/null
@@ -1,87 +0,0 @@
-#ifndef _URCU_LFSTACK_H
-#define _URCU_LFSTACK_H
-
-/*
- * lfstack.h
- *
- * 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
- */
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-struct cds_lfs_node {
-       struct cds_lfs_node *next;
-};
-
-struct cds_lfs_stack {
-       struct cds_lfs_node *head;
-};
-
-#ifdef _LGPL_SOURCE
-
-#include <urcu/static/lfstack.h>
-
-#define cds_lfs_node_init              _cds_lfs_node_init
-#define cds_lfs_init                   _cds_lfs_init
-#define cds_lfs_push                   _cds_lfs_push
-#define cds_lfs_pop                    _cds_lfs_pop
-
-#else /* !_LGPL_SOURCE */
-
-extern void cds_lfs_node_init(struct cds_lfs_node *node);
-extern void cds_lfs_init(struct cds_lfs_stack *s);
-
-/*
- * cds_lfs_push: push a node into the stack.
- *
- * Does not require any synchronization with other push nor pop.
- *
- * Returns 0 if the stack was empty prior to adding the node.
- * Returns non-zero otherwise.
- */
-extern int cds_lfs_push(struct cds_lfs_stack *s,
-                       struct cds_lfs_node *node);
-
-/*
- * cds_lfs_pop: pop a node from the stack.
- *
- * Returns NULL if stack is empty.
- *
- * cds_lfs_pop needs to be synchronized using one of the following
- * techniques:
- *
- * 1) Calling cds_lfs_pop under rcu read lock critical section. The
- *    caller must wait for a grace period to pass before freeing the
- *    returned node or modifying the cds_lfs_node structure.
- * 2) Using mutual exclusion (e.g. mutexes) to protect cds_lfs_pop
- *    callers.
- * 3) Ensuring that only ONE thread can call cds_lfs_pop().
- *    (multi-provider/single-consumer scheme).
- */
-extern struct cds_lfs_node *cds_lfs_pop(struct cds_lfs_stack *s);
-
-#endif /* !_LGPL_SOURCE */
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* _URCU_LFSTACK_H */