X-Git-Url: https://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=urcu%2Fwfqueue.h;fp=urcu%2Fwfqueue.h;h=0000000000000000000000000000000000000000;hp=2ba86248aa7095c4ca83e94b13769c073507a58c;hb=6893800a4d1cc14dff0395ddcd660a5138db183d;hpb=a59f39055b5ecb77b68cf78b9839aa9e8e4ec332 diff --git a/urcu/wfqueue.h b/urcu/wfqueue.h deleted file mode 100644 index 2ba8624..0000000 --- a/urcu/wfqueue.h +++ /dev/null @@ -1,125 +0,0 @@ -#ifndef _URCU_WFQUEUE_H -#define _URCU_WFQUEUE_H - -/* - * wfqueue.h - * - * Userspace RCU library - Queue with Wait-Free Enqueue/Blocking Dequeue - * - * Copyright 2010 - Mathieu Desnoyers - * - * 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 - */ - -#include -#include -#include - -#ifdef __cplusplus -extern "C" { -#endif - -#ifndef CDS_WFQ_DEPRECATED -#define CDS_WFQ_DEPRECATED \ - CDS_DEPRECATED("urcu/wfqueue.h is deprecated. Please use urcu/wfcqueue.h instead.") -#endif - -/* - * Queue with wait-free enqueue/blocking dequeue. - * This implementation adds a dummy head node when the queue is empty to ensure - * we can always update the queue locklessly. - * - * Inspired from half-wait-free/half-blocking queue implementation done by - * Paul E. McKenney. - */ - -struct cds_wfq_node { - struct cds_wfq_node *next; -}; - -struct cds_wfq_queue { - struct cds_wfq_node *head, **tail; - struct cds_wfq_node dummy; /* Dummy node */ - pthread_mutex_t lock; -}; - -#ifdef _LGPL_SOURCE - -#include - -static inline CDS_WFQ_DEPRECATED -void cds_wfq_node_init(struct cds_wfq_node *node) -{ - _cds_wfq_node_init(node); -} - -static inline CDS_WFQ_DEPRECATED -void cds_wfq_init(struct cds_wfq_queue *q) -{ - _cds_wfq_init(q); -} - -static inline CDS_WFQ_DEPRECATED -void cds_wfq_destroy(struct cds_wfq_queue *q) -{ - _cds_wfq_destroy(q); -} - -static inline CDS_WFQ_DEPRECATED -void cds_wfq_enqueue(struct cds_wfq_queue *q, struct cds_wfq_node *node) -{ - _cds_wfq_enqueue(q, node); -} - -static inline CDS_WFQ_DEPRECATED -struct cds_wfq_node *__cds_wfq_dequeue_blocking(struct cds_wfq_queue *q) -{ - return ___cds_wfq_dequeue_blocking(q); -} - -static inline CDS_WFQ_DEPRECATED -struct cds_wfq_node *cds_wfq_dequeue_blocking(struct cds_wfq_queue *q) -{ - return _cds_wfq_dequeue_blocking(q); -} - -#else /* !_LGPL_SOURCE */ - -extern CDS_WFQ_DEPRECATED -void cds_wfq_node_init(struct cds_wfq_node *node); - -extern CDS_WFQ_DEPRECATED -void cds_wfq_init(struct cds_wfq_queue *q); - -extern CDS_WFQ_DEPRECATED -void cds_wfq_destroy(struct cds_wfq_queue *q); - -extern CDS_WFQ_DEPRECATED -void cds_wfq_enqueue(struct cds_wfq_queue *q, struct cds_wfq_node *node); - -/* __cds_wfq_dequeue_blocking: caller ensures mutual exclusion between dequeues */ -extern CDS_WFQ_DEPRECATED -struct cds_wfq_node *__cds_wfq_dequeue_blocking(struct cds_wfq_queue *q); - -extern CDS_WFQ_DEPRECATED -struct cds_wfq_node *cds_wfq_dequeue_blocking(struct cds_wfq_queue *q); - -#endif /* !_LGPL_SOURCE */ - -#ifdef __cplusplus -} -#endif - -#endif /* _URCU_WFQUEUE_H */