Cleanup: Re-organise source dir

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

diff --git a/urcu-pointer.h b/urcu-pointer.h
deleted file mode 100644 (file)
index dc1a0da..0000000
--- a/urcu-pointer.h
+++ /dev/null
@@ -1,129 +0,0 @@
-#ifndef _URCU_POINTER_H
-#define _URCU_POINTER_H
-
-/*
- * urcu-pointer.h
- *
- * Userspace RCU header. Operations on pointers.
- *
- * Copyright (c) 2009 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- * Copyright (c) 2009 Paul E. McKenney, IBM Corporation.
- *
- * 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
- *
- * IBM's contributions to this file may be relicensed under LGPLv2 or later.
- */
-
-#include <urcu/compiler.h>
-#include <urcu/arch.h>
-#include <urcu/uatomic.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#if defined(_LGPL_SOURCE) || defined(URCU_INLINE_SMALL_FUNCTIONS)
-
-#include <urcu/static/urcu-pointer.h>
-
-/*
- * rcu_dereference(ptr)
- *
- * Fetch a RCU-protected pointer. Typically used to copy the variable ptr to a
- * local variable.
- */
-#define rcu_dereference                _rcu_dereference
-
-/*
- * type *rcu_cmpxchg_pointer(type **ptr, type *new, type *old)
- * type *rcu_xchg_pointer(type **ptr, type *new)
- * void rcu_set_pointer(type **ptr, type *new)
- *
- * RCU pointer updates.
- * @ptr: address of the pointer to modify
- * @new: new pointer value
- * @old: old pointer value (expected)
- *
- * return: old pointer value
- */
-#define rcu_cmpxchg_pointer    _rcu_cmpxchg_pointer
-#define rcu_xchg_pointer       _rcu_xchg_pointer
-#define rcu_set_pointer                _rcu_set_pointer
-
-#else /* !(defined(_LGPL_SOURCE) || defined(URCU_INLINE_SMALL_FUNCTIONS)) */
-
-extern void *rcu_dereference_sym(void *p);
-#define rcu_dereference(p)                                                  \
-       __extension__                                                        \
-       ({                                                                   \
-               __typeof__(p) _________p1 =     URCU_FORCE_CAST(__typeof__(p), \
-                       rcu_dereference_sym(URCU_FORCE_CAST(void *, p)));    \
-               (_________p1);                                               \
-       })
-
-extern void *rcu_cmpxchg_pointer_sym(void **p, void *old, void *_new);
-#define rcu_cmpxchg_pointer(p, old, _new)                                   \
-       __extension__                                                        \
-       ({                                                                   \
-               __typeof__(*(p)) _________pold = (old);                      \
-               __typeof__(*(p)) _________pnew = (_new);                     \
-               __typeof__(*(p)) _________p1 = URCU_FORCE_CAST(__typeof__(*(p)), \
-                       rcu_cmpxchg_pointer_sym(URCU_FORCE_CAST(void **, p), \
-                                               _________pold,               \
-                                               _________pnew));             \
-               (_________p1);                                               \
-       })
-
-extern void *rcu_xchg_pointer_sym(void **p, void *v);
-#define rcu_xchg_pointer(p, v)                                              \
-       __extension__                                                        \
-       ({                                                                   \
-               __typeof__(*(p)) _________pv = (v);                          \
-               __typeof__(*(p)) _________p1 = URCU_FORCE_CAST(__typeof__(*(p)), \
-                       rcu_xchg_pointer_sym(URCU_FORCE_CAST(void **, p),    \
-                                            _________pv));                  \
-               (_________p1);                                               \
-       })
-
-/*
- * Note: rcu_set_pointer_sym returns @v because we don't want to break
- * the ABI. At the API level, rcu_set_pointer() now returns void. Use of
- * the return value is therefore deprecated, and will cause a build
- * error.
- */
-extern void *rcu_set_pointer_sym(void **p, void *v);
-#define rcu_set_pointer(p, v)                                               \
-       do {                                                                 \
-               __typeof__(*(p)) _________pv = (v);                          \
-               (void) rcu_set_pointer_sym(URCU_FORCE_CAST(void **, p),      \
-                                           _________pv);                    \
-       } while (0)
-
-#endif /* !(defined(_LGPL_SOURCE) || defined(URCU_INLINE_SMALL_FUNCTIONS)) */
-
-/*
- * void rcu_assign_pointer(type *ptr, type *new)
- *
- * Same as rcu_set_pointer, but takes the pointer to assign to rather than its
- * address as first parameter. Provided for compatibility with the Linux kernel
- * RCU semantic.
- */
-#define rcu_assign_pointer(p, v)       rcu_set_pointer((&p), (v))
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* _URCU_POINTER_H */