Mercurial > hg > nginx
view src/core/ngx_queue.h @ 2012:220f5e8603d0
$uid_got and $uid_set may used at any time
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Fri, 16 May 2008 15:03:37 +0000 |
parents | 1043c21be8d2 |
children | 72db8932f782 |
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/* * Copyright (C) Igor Sysoev */ #include <ngx_config.h> #include <ngx_core.h> #ifndef _NGX_QUEUE_H_INCLUDED_ #define _NGX_QUEUE_H_INCLUDED_ typedef struct ngx_queue_s ngx_queue_t; struct ngx_queue_s { ngx_queue_t *prev; ngx_queue_t *next; }; #define ngx_queue_init(q) \ (q)->prev = q; \ (q)->next = q #define ngx_queue_empty(h) \ (h == (h)->prev) #define ngx_queue_insert_head(h, x) \ (x)->next = (h)->next; \ (x)->next->prev = x; \ (x)->prev = h; \ (h)->next = x #define ngx_queue_head(h) \ (h)->next #define ngx_queue_last(h) \ (h)->prev #if (NGX_DEBUG) #define ngx_queue_remove(x) \ (x)->next->prev = (x)->prev; \ (x)->prev->next = (x)->next; \ (x)->prev = NULL; \ (x)->next = NULL #else #define ngx_queue_remove(x) \ (x)->next->prev = (x)->prev; \ (x)->prev->next = (x)->next #endif #define ngx_queue_data(q, type, link) \ (type *) ((u_char *) q - offsetof(type, link)) #endif /* _NGX_QUEUE_H_INCLUDED_ */