+// SPDX-FileCopyrightText: 2009 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+// SPDX-FileCopyrightText: 2009 Paul E. McKenney, IBM Corporation.
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
+
#ifndef _URCU_COMMON_STATIC_H
#define _URCU_COMMON_STATIC_H
/*
- * urcu-common-static.h
- *
* Userspace RCU header.
*
* TO BE INCLUDED ONLY IN CODE THAT IS TO BE RECOMPILED ON EACH LIBURCU
* RELEASE. See urcu.h for linking dynamically with the userspace rcu library.
*
- * 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 <unistd.h>
#include <stdint.h>
+#include <urcu/annotate.h>
#include <urcu/config.h>
#include <urcu/compiler.h>
#include <urcu/arch.h>
}
static inline enum urcu_state urcu_common_reader_state(struct urcu_gp *gp,
- unsigned long *ctr)
+ unsigned long *ctr,
+ cmm_annotate_t *group)
{
unsigned long v;
* Make sure both tests below are done on the same version of *value
* to insure consistency.
*/
- v = CMM_LOAD_SHARED(*ctr);
+ v = uatomic_load(ctr, CMM_RELAXED);
+ cmm_annotate_group_mem_acquire(group, ctr);
+
if (!(v & URCU_GP_CTR_NEST_MASK))
return URCU_READER_INACTIVE;
if (!((v ^ gp->ctr) & URCU_GP_CTR_PHASE))