mirror of
https://github.com/nginx/nginx.git
synced 2024-12-14 03:39:00 +08:00
58 lines
1.5 KiB
C
58 lines
1.5 KiB
C
|
#ifndef _NGX_CHUNK_H_INCLUDED_
|
||
|
|
#define _NGX_CHUNK_H_INCLUDED_
|
||
|
|
|
||
|
|
|
||
|
|
#include <ngx_config.h>
|
||
|
|
#include <ngx_types.h>
|
||
|
|
#include <ngx_alloc.h>
|
||
|
|
|
||
|
|
|
||
|
|
/* type */
|
||
|
|
#define NGX_HUNK_TEMP 0x0001
|
||
|
|
#define NGX_HUNK_MEMORY 0x0002
|
||
|
|
#define NGX_HUNK_MMAP 0x0004
|
||
|
|
#define NGX_HUNK_FILE 0x0008
|
||
|
|
#define NGX_HUNK_FLUSH 0x0010
|
||
|
|
/* in thread state flush means to write the hunk completely before return
|
||
|
|
in event-driven state flush means to start to write the hunk */
|
||
|
|
#define NGX_HUNK_LAST 0x0020
|
||
|
|
|
||
|
|
#define NGX_HUNK_IN_MEMORY (NGX_HUNK_TEMP | NGX_HUNK_MEMORY | NGX_HUNK_MMAP )
|
||
|
|
#define NGX_HUNK_TYPE 0x0ffff
|
||
|
|
|
||
|
|
/* flags */
|
||
|
|
#define NGX_HUNK_SHUTDOWN 0x10000
|
||
|
|
/* can be used with NGX_HUNK_LAST only */
|
||
|
|
|
||
|
|
|
||
|
|
typedef struct ngx_hunk_s ngx_hunk_t;
|
||
|
|
struct ngx_hunk_s {
|
||
|
|
union {
|
||
|
|
char *p; /* start of current data */
|
||
|
|
off_t f;
|
||
|
|
} pos;
|
||
|
|
union {
|
||
|
|
char *p; /* end of current data */
|
||
|
|
off_t f;
|
||
|
|
} last;
|
||
|
|
int type;
|
||
|
|
char *start; /* start of hunk */
|
||
|
|
char *end; /* end of hunk */
|
||
|
|
char *pre_start; /* start of pre-allocated hunk */
|
||
|
|
char *post_end; /* end of post-allocated hunk */
|
||
|
|
int tag;
|
||
|
|
ngx_file_t fd;
|
||
|
|
};
|
||
|
|
|
||
|
|
typedef struct ngx_chain_s ngx_chain_t;
|
||
|
|
struct ngx_chain_s {
|
||
|
|
ngx_hunk_t *hunk;
|
||
|
|
ngx_chain_t *next;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
ngx_hunk_t *ngx_get_hunk(ngx_pool_t *pool, int size, int before, int after);
|
||
|
|
|
||
|
|
|
||
|
|
#endif /* _NGX_CHUNK_H_INCLUDED_ */
|