Mercurial > hg > nginx
comparison src/core/ngx_hunk.h @ 0:4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
The first code that uses "ngx_" prefix, the previous one used "gx_" prefix.
At that point the code is not yet usable. The first draft ideas are dated
back to 23.10.2001.
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Tue, 06 Aug 2002 16:39:45 +0000 |
| parents | |
| children | d220029ac7f3 |
comparison
equal
deleted
inserted
replaced
| -1:000000000000 | 0:4eff17414a43 |
|---|---|
| 1 #ifndef _NGX_CHUNK_H_INCLUDED_ | |
| 2 #define _NGX_CHUNK_H_INCLUDED_ | |
| 3 | |
| 4 | |
| 5 #include <ngx_config.h> | |
| 6 #include <ngx_types.h> | |
| 7 #include <ngx_alloc.h> | |
| 8 | |
| 9 | |
| 10 /* type */ | |
| 11 #define NGX_HUNK_TEMP 0x0001 | |
| 12 #define NGX_HUNK_MEMORY 0x0002 | |
| 13 #define NGX_HUNK_MMAP 0x0004 | |
| 14 #define NGX_HUNK_FILE 0x0008 | |
| 15 #define NGX_HUNK_FLUSH 0x0010 | |
| 16 /* in thread state flush means to write the hunk completely before return | |
| 17 in event-driven state flush means to start to write the hunk */ | |
| 18 #define NGX_HUNK_LAST 0x0020 | |
| 19 | |
| 20 #define NGX_HUNK_IN_MEMORY (NGX_HUNK_TEMP | NGX_HUNK_MEMORY | NGX_HUNK_MMAP ) | |
| 21 #define NGX_HUNK_TYPE 0x0ffff | |
| 22 | |
| 23 /* flags */ | |
| 24 #define NGX_HUNK_SHUTDOWN 0x10000 | |
| 25 /* can be used with NGX_HUNK_LAST only */ | |
| 26 | |
| 27 | |
| 28 typedef struct ngx_hunk_s ngx_hunk_t; | |
| 29 struct ngx_hunk_s { | |
| 30 union { | |
| 31 char *p; /* start of current data */ | |
| 32 off_t f; | |
| 33 } pos; | |
| 34 union { | |
| 35 char *p; /* end of current data */ | |
| 36 off_t f; | |
| 37 } last; | |
| 38 int type; | |
| 39 char *start; /* start of hunk */ | |
| 40 char *end; /* end of hunk */ | |
| 41 char *pre_start; /* start of pre-allocated hunk */ | |
| 42 char *post_end; /* end of post-allocated hunk */ | |
| 43 int tag; | |
| 44 ngx_file_t fd; | |
| 45 }; | |
| 46 | |
| 47 typedef struct ngx_chain_s ngx_chain_t; | |
| 48 struct ngx_chain_s { | |
| 49 ngx_hunk_t *hunk; | |
| 50 ngx_chain_t *next; | |
| 51 }; | |
| 52 | |
| 53 | |
| 54 ngx_hunk_t *ngx_get_hunk(ngx_pool_t *pool, int size, int before, int after); | |
| 55 | |
| 56 | |
| 57 #endif /* _NGX_CHUNK_H_INCLUDED_ */ |