From: Mathieu Desnoyers Date: Fri, 21 Jun 2013 21:26:09 +0000 (-0400) Subject: hlist, rcuhlist: cleanup coding style X-Git-Tag: v0.8.0~38 X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=6734fec18ba760c816a32750cbb851414ef899e4;p=userspace-rcu.git hlist, rcuhlist: cleanup coding style Signed-off-by: Mathieu Desnoyers --- diff --git a/urcu/hlist.h b/urcu/hlist.h index d7d5c87..1c9083b 100644 --- a/urcu/hlist.h +++ b/urcu/hlist.h @@ -9,7 +9,7 @@ * * Author: Jan Blunck * - * Copyright (C) 2010 Mathieu Desnoyers + * 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 @@ -18,60 +18,58 @@ #include -struct cds_hlist_head -{ +struct cds_hlist_head { struct cds_hlist_node *next; }; -struct cds_hlist_node -{ - struct cds_hlist_node *next; - struct cds_hlist_node *prev; +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) +/* 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) \ +/* 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) +/* 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; + 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) +/* 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(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_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 */ diff --git a/urcu/rcuhlist.h b/urcu/rcuhlist.h index 8549550..36da15b 100644 --- a/urcu/rcuhlist.h +++ b/urcu/rcuhlist.h @@ -29,10 +29,10 @@ #include #include -/* Add new element at the head of the list. - */ -static inline void cds_hlist_add_head_rcu(struct cds_hlist_node *newp, - struct cds_hlist_head *head) +/* Add new element at the head of the list. */ +static inline +void cds_hlist_add_head_rcu(struct cds_hlist_node *newp, + struct cds_hlist_head *head) { newp->next = head->next; newp->prev = (struct cds_hlist_node *)head; @@ -43,23 +43,23 @@ static inline void cds_hlist_add_head_rcu(struct cds_hlist_node *newp, } /* Remove element from list. */ -static inline void cds_hlist_del_rcu(struct cds_hlist_node *elem) +static inline +void cds_hlist_del_rcu(struct cds_hlist_node *elem) { if (elem->next) elem->next->prev = elem->prev; elem->prev->next = elem->next; } - -/* Iterate through elements of the list. +/* + * Iterate through elements of the list. * This must be done while rcu_read_lock() is held. */ - -#define cds_hlist_for_each_entry_rcu(entry, pos, head, member) \ - for (pos = rcu_dereference((head)->next), \ - entry = cds_hlist_entry(pos, __typeof__(*entry), member); \ - pos != NULL; \ - pos = rcu_dereference(pos->next), \ - entry = cds_hlist_entry(pos, __typeof__(*entry), member)) +#define cds_hlist_for_each_entry_rcu(entry, pos, head, member) \ + for (pos = rcu_dereference((head)->next), \ + entry = cds_hlist_entry(pos, __typeof__(*entry), member); \ + pos != NULL; \ + pos = rcu_dereference(pos->next), \ + entry = cds_hlist_entry(pos, __typeof__(*entry), member)) #endif /* _URCU_RCUHLIST_H */