X-Git-Url: https://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=urcu%2Fhlist.h;fp=urcu%2Fhlist.h;h=0000000000000000000000000000000000000000;hp=344481133eac2051f4d7ab85e6188f51887e7dd7;hb=6893800a4d1cc14dff0395ddcd660a5138db183d;hpb=a59f39055b5ecb77b68cf78b9839aa9e8e4ec332 diff --git a/urcu/hlist.h b/urcu/hlist.h deleted file mode 100644 index 3444811..0000000 --- a/urcu/hlist.h +++ /dev/null @@ -1,110 +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) 2010-2013 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, *prev; -}; - -/* Initialize a new list head. */ -static inline -void CDS_INIT_HLIST_HEAD(struct cds_hlist_head *ptr) -{ - ptr->next = NULL; -} - -#define CDS_HLIST_HEAD(name) \ - struct cds_hlist_head name = { NULL } - -#define CDS_HLIST_HEAD_INIT(name) \ - { .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(pos, head) \ - for (pos = (head)->next; pos != NULL; pos = pos->next) - -#define cds_hlist_for_each_safe(pos, p, head) \ - for (pos = (head)->next; \ - (pos != NULL) && (p = pos->next, 1); \ - pos = p) - -/* - * cds_hlist_for_each_entry and cds_hlist_for_each_entry_safe take - * respectively 4 and 5 arguments, while the Linux kernel APIs take 3, - * and 4. We implement cds_hlist_for_each_entry_2() and - * cds_hlist_for_each_entry_safe_2() to follow the Linux kernel APIs. - */ -#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)) - -#define cds_hlist_for_each_entry_2(entry, head, member) \ - for (entry = ((head)->next == NULL ? NULL \ - : cds_hlist_entry((head)->next, __typeof__(*entry), member)); \ - entry != NULL; \ - entry = (entry->member.next == NULL ? NULL \ - : cds_hlist_entry(entry->member.next, __typeof__(*entry), member))) - -#define cds_hlist_for_each_entry_safe_2(entry, e, head, member) \ - for (entry = ((head)->next == NULL ? NULL \ - : cds_hlist_entry((head)->next, __typeof__(*entry), member)); \ - (entry != NULL) && (e = (entry->member.next == NULL ? NULL \ - : cds_hlist_entry(entry->member.next, \ - __typeof__(*entry), member)), 1); \ - entry = e) - -#endif /* _KCOMPAT_HLIST_H */