X-Git-Url: https://git.lttng.org/?p=urcu.git;a=blobdiff_plain;f=include%2Furcu%2Flist.h;fp=include%2Furcu%2Flist.h;h=f3b867839030fb3ceeda4192f2c0f4c20b856971;hp=4aaf869351fea0a8644f696ed294482de6a179d8;hb=c7f4490afcccb5d27b0f17e99ea782b21449e27b;hpb=a0b5ef6802894441aae058f9a34628b565a35846 diff --git a/include/urcu/list.h b/include/urcu/list.h index 4aaf869..f3b8678 100644 --- a/include/urcu/list.h +++ b/include/urcu/list.h @@ -25,6 +25,8 @@ #ifndef _CDS_LIST_H #define _CDS_LIST_H 1 +#include + /* * The definitions of this file are adopted from those which can be * found in the Linux kernel headers to enable people familiar with the @@ -121,8 +123,7 @@ void cds_list_splice(struct cds_list_head *add, struct cds_list_head *head) } /* Get typed element from list at a given position. */ -#define cds_list_entry(ptr, type, member) \ - ((type *) ((char *) (ptr) - (unsigned long) (&((type *) 0)->member))) +#define cds_list_entry(ptr, type, member) caa_container_of(ptr, type, member) /* Get first entry from a list. */ @@ -131,54 +132,54 @@ void cds_list_splice(struct cds_list_head *add, struct cds_list_head *head) /* Iterate forward over the elements of the list. */ #define cds_list_for_each(pos, head) \ - for (pos = (head)->next; pos != (head); pos = pos->next) + for (pos = (head)->next; (pos) != (head); pos = (pos)->next) /* * Iterate forward over the elements list. The list elements can be * removed from the list while doing this. */ #define cds_list_for_each_safe(pos, p, head) \ - for (pos = (head)->next, p = pos->next; \ - pos != (head); \ - pos = p, p = pos->next) + for (pos = (head)->next, p = (pos)->next; \ + (pos) != (head); \ + pos = (p), p = (pos)->next) /* Iterate backward over the elements of the list. */ #define cds_list_for_each_prev(pos, head) \ - for (pos = (head)->prev; pos != (head); pos = pos->prev) + for (pos = (head)->prev; (pos) != (head); pos = (pos)->prev) /* * Iterate backwards over the elements list. The list elements can be * removed from the list while doing this. */ #define cds_list_for_each_prev_safe(pos, p, head) \ - for (pos = (head)->prev, p = pos->prev; \ - pos != (head); \ - pos = p, p = pos->prev) + for (pos = (head)->prev, p = (pos)->prev; \ + (pos) != (head); \ + pos = (p), p = (pos)->prev) #define cds_list_for_each_entry(pos, head, member) \ - for (pos = cds_list_entry((head)->next, __typeof__(*pos), member); \ - &pos->member != (head); \ - pos = cds_list_entry(pos->member.next, __typeof__(*pos), member)) + for (pos = cds_list_entry((head)->next, __typeof__(*(pos)), member); \ + &(pos)->member != (head); \ + pos = cds_list_entry((pos)->member.next, __typeof__(*(pos)), member)) #define cds_list_for_each_entry_reverse(pos, head, member) \ - for (pos = cds_list_entry((head)->prev, __typeof__(*pos), member); \ - &pos->member != (head); \ - pos = cds_list_entry(pos->member.prev, __typeof__(*pos), member)) + for (pos = cds_list_entry((head)->prev, __typeof__(*(pos)), member); \ + &(pos)->member != (head); \ + pos = cds_list_entry((pos)->member.prev, __typeof__(*(pos)), member)) #define cds_list_for_each_entry_safe(pos, p, head, member) \ - for (pos = cds_list_entry((head)->next, __typeof__(*pos), member), \ - p = cds_list_entry(pos->member.next, __typeof__(*pos), member); \ - &pos->member != (head); \ - pos = p, p = cds_list_entry(pos->member.next, __typeof__(*pos), member)) + for (pos = cds_list_entry((head)->next, __typeof__(*(pos)), member), \ + p = cds_list_entry((pos)->member.next, __typeof__(*(pos)), member); \ + &(pos)->member != (head); \ + pos = (p), p = cds_list_entry((pos)->member.next, __typeof__(*(pos)), member)) /* * Same as cds_list_for_each_entry_safe, but starts from "pos" which should * point to an entry within the list. */ #define cds_list_for_each_entry_safe_from(pos, p, head, member) \ - for (p = cds_list_entry(pos->member.next, __typeof__(*pos), member); \ - &pos->member != (head); \ - pos = p, p = cds_list_entry(pos->member.next, __typeof__(*pos), member)) + for (p = cds_list_entry((pos)->member.next, __typeof__(*(pos)), member); \ + &(pos)->member != (head); \ + pos = (p), p = cds_list_entry((pos)->member.next, __typeof__(*(pos)), member)) static inline int cds_list_empty(struct cds_list_head *head)