X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=urcu%2Fhlist.h;h=344481133eac2051f4d7ab85e6188f51887e7dd7;hb=HEAD;hp=82015b36fa1aa32a795fa556df52f76d9a342121;hpb=9056e3b82eab303fcfc1262fd9889b23173ee282;p=userspace-rcu.git diff --git a/urcu/hlist.h b/urcu/hlist.h deleted file mode 100644 index 82015b3..0000000 --- a/urcu/hlist.h +++ /dev/null @@ -1,77 +0,0 @@ -#ifndef _KCOMPAT_HLIST_H -#define _KCOMPAT_HLIST_H - -/* - * Kernel sourcecode compatible lightweight single pointer list head useful - * for implementing hash tables - * - * Copyright (C) 2009 Novell Inc. - * - * Author: Jan Blunck - * - * Copyright (C) 2010 Mathieu Desnoyers - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU Lesser General Public License version 2.1 as - * published by the Free Software Foundation. - */ - -#include - -struct cds_hlist_head -{ - struct cds_hlist_node *next; -}; - -struct cds_hlist_node -{ - struct cds_hlist_node *next; - struct cds_hlist_node *prev; -}; - -/* Initialize a new list head. */ -static inline void CDS_INIT_HLIST_HEAD(struct cds_hlist_head *ptr) -{ - ptr->next = NULL; -} - -/* Get typed element from list at a given position. */ -#define cds_hlist_entry(ptr, type, member) \ - ((type *) ((char *) (ptr) - (unsigned long) (&((type *) 0)->member))) - -/* Add new element at the head of the list. */ -static inline void cds_hlist_add_head (struct cds_hlist_node *newp, - struct cds_hlist_head *head) -{ - if (head->next) - head->next->prev = newp; - - newp->next = head->next; - newp->prev = (struct cds_hlist_node *)head; - head->next = newp; -} - -/* Remove element from list. */ -static inline void cds_hlist_del (struct cds_hlist_node *elem) -{ - if (elem->next) - elem->next->prev = elem->prev; - - elem->prev->next = elem->next; -} - -#define cds_hlist_for_each_entry(entry, pos, head, member) \ - for (pos = (head)->next, \ - entry = cds_hlist_entry(pos, typeof(*entry), member); \ - pos != NULL; \ - pos = pos->next, \ - entry = cds_hlist_entry(pos, typeof(*entry), member)) - -#define cds_hlist_for_each_entry_safe(entry, pos, p, head, member) \ - for (pos = (head)->next, \ - entry = cds_hlist_entry(pos, typeof(*entry), member); \ - (pos != NULL) && ({ p = pos->next; 1;}); \ - pos = p, \ - entry = cds_hlist_entry(pos, typeof(*entry), member)) - -#endif /* _KCOMPAT_HLIST_H */