Mercurial > hg > nginx
comparison src/core/ngx_hunk.h @ 1:d220029ac7f3
nginx-0.0.1-2002-08-15-21:20:26 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Thu, 15 Aug 2002 17:20:26 +0000 |
parents | 4eff17414a43 |
children | 34a521b1a148 |
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0:4eff17414a43 | 1:d220029ac7f3 |
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5 #include <ngx_config.h> | 5 #include <ngx_config.h> |
6 #include <ngx_types.h> | 6 #include <ngx_types.h> |
7 #include <ngx_alloc.h> | 7 #include <ngx_alloc.h> |
8 | 8 |
9 | 9 |
10 /* type */ | 10 /* hunk type */ |
11 | |
12 /* temp means that hunk's content can be changed */ | |
13 /* other type means that hunk's content can not be changed */ | |
11 #define NGX_HUNK_TEMP 0x0001 | 14 #define NGX_HUNK_TEMP 0x0001 |
12 #define NGX_HUNK_MEMORY 0x0002 | 15 #define NGX_HUNK_MEMORY 0x0002 |
13 #define NGX_HUNK_MMAP 0x0004 | 16 #define NGX_HUNK_MMAP 0x0004 |
14 #define NGX_HUNK_FILE 0x0008 | 17 #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 | 18 |
20 #define NGX_HUNK_IN_MEMORY (NGX_HUNK_TEMP | NGX_HUNK_MEMORY | NGX_HUNK_MMAP ) | 19 /* hunk flags */ |
21 #define NGX_HUNK_TYPE 0x0ffff | |
22 | 20 |
23 /* flags */ | 21 /* in thread state flush means to write the hunk completely before return */ |
24 #define NGX_HUNK_SHUTDOWN 0x10000 | 22 /* in event state flush means to start to write the hunk */ |
23 #define NGX_HUNK_FLUSH 0x0100 | |
24 /* last hunk */ | |
25 #define NGX_HUNK_LAST 0x0200 | |
25 /* can be used with NGX_HUNK_LAST only */ | 26 /* can be used with NGX_HUNK_LAST only */ |
27 #define NGX_HUNK_SHUTDOWN 0x0400 | |
28 | |
29 | |
30 #define NGX_HUNK_IN_MEMORY (NGX_HUNK_TEMP|NGX_HUNK_MEMORY|NGX_HUNK_MMAP) | |
31 | |
26 | 32 |
27 | 33 |
28 typedef struct ngx_hunk_s ngx_hunk_t; | 34 typedef struct ngx_hunk_s ngx_hunk_t; |
29 struct ngx_hunk_s { | 35 struct ngx_hunk_s { |
30 union { | 36 union { |
31 char *p; /* start of current data */ | 37 char *mem; /* start of current data */ |
32 off_t f; | 38 off_t file; |
33 } pos; | 39 } pos; |
34 union { | 40 union { |
35 char *p; /* end of current data */ | 41 char *mem; /* end of current data */ |
36 off_t f; | 42 off_t file; |
37 } last; | 43 } last; |
38 int type; | 44 int type; |
39 char *start; /* start of hunk */ | 45 char *start; /* start of hunk */ |
40 char *end; /* end of hunk */ | 46 char *end; /* end of hunk */ |
41 char *pre_start; /* start of pre-allocated hunk */ | 47 char *pre_start; /* start of pre-allocated hunk */ |