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ngx_queue.h

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This commit is contained in:
Igor Sysoev 2007-11-23 16:32:50 +00:00
parent 499c05a87b
commit 48bf997e10
3 changed files with 65 additions and 0 deletions
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1
auto/sources
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@ -15,6 +15,7 @@ CORE_DEPS="src/core/nginx.h \
src/core/ngx_list.h \
src/core/ngx_hash.h \
src/core/ngx_buf.h \
src/core/ngx_queue.h \
src/core/ngx_string.h \
src/core/ngx_parse.h \
src/core/ngx_inet.h \

1
src/core/ngx_core.h
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@ -50,6 +50,7 @@ typedef void (*ngx_connection_handler_pt)(ngx_connection_t *c);
#include <ngx_alloc.h>
#include <ngx_palloc.h>
#include <ngx_buf.h>
#include <ngx_queue.h>
#include <ngx_array.h>
#include <ngx_list.h>
#include <ngx_hash.h>

63
src/core/ngx_queue.h Normal file
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@ -0,0 +1,63 @@
/*
* 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_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_ */