Mercurial > hg > nginx

annotate src/core/ngx_hunk.c @ 134:d57c6835225c

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
nginx-0.0.1-2003-09-26-09:45:21 import
author Igor Sysoev <igor@sysoev.ru>
date Fri, 26 Sep 2003 05:45:21 +0000
parents 949f45d1589a
children e29909bd9b8a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1
42
cd035a94e0b6 nginx-0.0.1-2002-12-27-10:27:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 16
diff changeset
2 #include <ngx_config.h>
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7ebc8b7fb816 nginx-0.0.1-2003-06-03-19:42:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
3 #include <ngx_core.h>
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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4
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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5
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708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
diff changeset
6 ngx_hunk_t *ngx_create_temp_hunk(ngx_pool_t *pool, int size,
708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
diff changeset
7 int before, int after)
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
8 {
16
6ce4755737b4 nginx-0.0.1-2002-09-26-20:50:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
9 ngx_hunk_t *h;
6ce4755737b4 nginx-0.0.1-2002-09-26-20:50:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
10
6ce4755737b4 nginx-0.0.1-2002-09-26-20:50:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
11 ngx_test_null(h, ngx_palloc(pool, sizeof(ngx_hunk_t)), NULL);
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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12
67
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 42
diff changeset
13 ngx_test_null(h->pre_start, ngx_palloc(pool, size + before + after), NULL);
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
14
67
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 42
diff changeset
15 h->start = h->pos = h->last = h->pre_start + before;
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 42
diff changeset
16 h->file_pos = h->file_last = 0;
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 42
diff changeset
17 h->end = h->last + size;
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
18 h->post_end = h->end + after;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
19
67
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 42
diff changeset
20 h->type = NGX_HUNK_TEMP|NGX_HUNK_IN_MEMORY;
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6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 67
diff changeset
21 h->file = NULL;
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 67
diff changeset
22 h->shadow = NULL;
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 67
diff changeset
23
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
24 h->tag = 0;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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25
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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26 return h;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
27 }
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738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 76
diff changeset
28
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708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
diff changeset
29 ngx_hunk_t *ngx_create_hunk_before(ngx_pool_t *pool, ngx_hunk_t *hunk, int size)
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738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 76
diff changeset
30 {
16
6ce4755737b4 nginx-0.0.1-2002-09-26-20:50:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
31 ngx_hunk_t *h;
6ce4755737b4 nginx-0.0.1-2002-09-26-20:50:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
32
6ce4755737b4 nginx-0.0.1-2002-09-26-20:50:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
33 ngx_test_null(h, ngx_palloc(pool, sizeof(ngx_hunk_t)), NULL);
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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34
67
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 42
diff changeset
35 if (hunk->type & NGX_HUNK_TEMP && hunk->pos - hunk->pre_start >= size) {
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
36 /* keep hunk->start unchanged - used in restore */
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
37 h->pre_start = hunk->pre_start;
67
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 42
diff changeset
38 h->end = h->post_end = hunk->pre_start = hunk->pos;
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 42
diff changeset
39 h->start = h->pos = h->last = h->end - size;
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 42
diff changeset
40 h->file_pos = h->file_last = 0;
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
41
67
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 42
diff changeset
42 h->type = NGX_HUNK_TEMP|NGX_HUNK_IN_MEMORY;
76
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 67
diff changeset
43 h->file = NULL;
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 67
diff changeset
44 h->shadow = NULL;
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 67
diff changeset
45
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
46 h->tag = 0;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
47
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
48 } else {
16
6ce4755737b4 nginx-0.0.1-2002-09-26-20:50:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
49 ngx_test_null(h->pre_start, ngx_palloc(pool, size), NULL);
93
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 76
diff changeset
50 h->start = h->pos = h->last = h->pre_start;
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
51 h->end = h->post_end = h->start + size;
67
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 42
diff changeset
52 h->file_pos = h->file_last = 0;
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
53
67
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 42
diff changeset
54 h->type = NGX_HUNK_TEMP|NGX_HUNK_IN_MEMORY;
76
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 67
diff changeset
55 h->file = NULL;
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 67
diff changeset
56 h->shadow = NULL;
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 67
diff changeset
57
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
58 h->tag = 0;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
59 }
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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60
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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61 return h;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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62 }
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
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708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
diff changeset
64 ngx_hunk_t *ngx_create_hunk_after(ngx_pool_t *pool, ngx_hunk_t *hunk, int size)
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
65 {
16
6ce4755737b4 nginx-0.0.1-2002-09-26-20:50:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
66 ngx_hunk_t *h;
6ce4755737b4 nginx-0.0.1-2002-09-26-20:50:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
67
6ce4755737b4 nginx-0.0.1-2002-09-26-20:50:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
68 ngx_test_null(h, ngx_palloc(pool, sizeof(ngx_hunk_t)), NULL);
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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69
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
70 if (hunk->type & NGX_HUNK_TEMP
67
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 42
diff changeset
71 && hunk->last == hunk->end
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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72 && hunk->post_end - hunk->end >= size)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
73 {
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
74 h->post_end = hunk->post_end;
67
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 42
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75 h->pre_start = h->start = h->pos = h->last = hunk->post_end =
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 42
diff changeset
76 hunk->last;
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 42
diff changeset
77 h->file_pos = h->file_last = 0;
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 42
diff changeset
78
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 42
diff changeset
79 h->type = NGX_HUNK_TEMP|NGX_HUNK_IN_MEMORY;
76
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 67
diff changeset
80 h->file = NULL;
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 67
diff changeset
81 h->shadow = NULL;
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 67
diff changeset
82
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
83 h->tag = 0;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
84
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
85 } else {
16
6ce4755737b4 nginx-0.0.1-2002-09-26-20:50:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
86 ngx_test_null(h->pre_start, ngx_palloc(pool, size), NULL);
93
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 76
diff changeset
87 h->start = h->pos = h->last = h->pre_start;
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
88 h->end = h->post_end = h->start + size;
67
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 42
diff changeset
89 h->file_pos = h->file_last = 0;
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
90
67
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 42
diff changeset
91 h->type = NGX_HUNK_TEMP|NGX_HUNK_IN_MEMORY;
76
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 67
diff changeset
92 h->file = NULL;
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 67
diff changeset
93 h->shadow = NULL;
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 67
diff changeset
94
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
95 h->tag = 0;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
96 }
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
97
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
98 return h;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
99 }
132
949f45d1589a nginx-0.0.1-2003-09-24-20:44:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 100
diff changeset
100
949f45d1589a nginx-0.0.1-2003-09-24-20:44:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 100
diff changeset
101
134
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 132
diff changeset
102 int ngx_chain_add_copy(ngx_pool_t *pool, ngx_chain_t **ch, ngx_chain_t *in)
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 132
diff changeset
103 {
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 132
diff changeset
104 ngx_chain_t *ce, **le;
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 132
diff changeset
105
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 132
diff changeset
106 le = ch;
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 132
diff changeset
107
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 132
diff changeset
108 for (ce = *ch; ce; ce = ce->next) {
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 132
diff changeset
109 le = &ce->next;
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 132
diff changeset
110 }
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 132
diff changeset
111
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 132
diff changeset
112 while (in) {
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 132
diff changeset
113 ngx_test_null(ce, ngx_alloc_chain_entry(pool), NGX_ERROR);
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 132
diff changeset
114
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 132
diff changeset
115 ce->hunk = in->hunk;
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 132
diff changeset
116 ce->next = NULL;
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 132
diff changeset
117 *le = ce;
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 132
diff changeset
118 le = &ce->next;
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 132
diff changeset
119 in = in->next;
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 132
diff changeset
120 }
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 132
diff changeset
121
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 132
diff changeset
122 return NGX_OK;
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 132
diff changeset
123 }
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 132
diff changeset
124
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 132
diff changeset
125
132
949f45d1589a nginx-0.0.1-2003-09-24-20:44:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 100
diff changeset
126 void ngx_chain_update_chains(ngx_chain_t **free, ngx_chain_t **busy,
949f45d1589a nginx-0.0.1-2003-09-24-20:44:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 100
diff changeset
127 ngx_chain_t **out)
949f45d1589a nginx-0.0.1-2003-09-24-20:44:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 100
diff changeset
128 {
949f45d1589a nginx-0.0.1-2003-09-24-20:44:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 100
diff changeset
129 ngx_chain_t *te;
949f45d1589a nginx-0.0.1-2003-09-24-20:44:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 100
diff changeset
130
949f45d1589a nginx-0.0.1-2003-09-24-20:44:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 100
diff changeset
131 if (*busy == NULL) {
949f45d1589a nginx-0.0.1-2003-09-24-20:44:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 100
diff changeset
132 *busy = *out;
949f45d1589a nginx-0.0.1-2003-09-24-20:44:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 100
diff changeset
133
949f45d1589a nginx-0.0.1-2003-09-24-20:44:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 100
diff changeset
134 } else {
949f45d1589a nginx-0.0.1-2003-09-24-20:44:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 100
diff changeset
135 for (te = *busy; /* void */ ; te = te->next) {
949f45d1589a nginx-0.0.1-2003-09-24-20:44:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 100
diff changeset
136 if (te->next == NULL) {
949f45d1589a nginx-0.0.1-2003-09-24-20:44:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 100
diff changeset
137 te->next = *out;
949f45d1589a nginx-0.0.1-2003-09-24-20:44:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 100
diff changeset
138 break;
949f45d1589a nginx-0.0.1-2003-09-24-20:44:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 100
diff changeset
139 }
949f45d1589a nginx-0.0.1-2003-09-24-20:44:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 100
diff changeset
140 }
949f45d1589a nginx-0.0.1-2003-09-24-20:44:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 100
diff changeset
141 }
949f45d1589a nginx-0.0.1-2003-09-24-20:44:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 100
diff changeset
142
949f45d1589a nginx-0.0.1-2003-09-24-20:44:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 100
diff changeset
143 *out = NULL;
949f45d1589a nginx-0.0.1-2003-09-24-20:44:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 100
diff changeset
144
949f45d1589a nginx-0.0.1-2003-09-24-20:44:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 100
diff changeset
145 while (*busy) {
949f45d1589a nginx-0.0.1-2003-09-24-20:44:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 100
diff changeset
146 if ((*busy)->hunk->pos != (*busy)->hunk->last) {
949f45d1589a nginx-0.0.1-2003-09-24-20:44:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 100
diff changeset
147 break;
949f45d1589a nginx-0.0.1-2003-09-24-20:44:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 100
diff changeset
148 }
949f45d1589a nginx-0.0.1-2003-09-24-20:44:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 100
diff changeset
149
949f45d1589a nginx-0.0.1-2003-09-24-20:44:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 100
diff changeset
150 #if (HAVE_WRITE_ZEROCOPY)
949f45d1589a nginx-0.0.1-2003-09-24-20:44:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 100
diff changeset
151 if ((*busy)->hunk->type & NGX_HUNK_ZEROCOPY_BUSY) {
949f45d1589a nginx-0.0.1-2003-09-24-20:44:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 100
diff changeset
152 break;
949f45d1589a nginx-0.0.1-2003-09-24-20:44:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 100
diff changeset
153 }
949f45d1589a nginx-0.0.1-2003-09-24-20:44:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 100
diff changeset
154 #endif
949f45d1589a nginx-0.0.1-2003-09-24-20:44:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 100
diff changeset
155
949f45d1589a nginx-0.0.1-2003-09-24-20:44:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 100
diff changeset
156 (*busy)->hunk->pos = (*busy)->hunk->last = (*busy)->hunk->start;
949f45d1589a nginx-0.0.1-2003-09-24-20:44:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 100
diff changeset
157
949f45d1589a nginx-0.0.1-2003-09-24-20:44:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 100
diff changeset
158 te = *busy;
949f45d1589a nginx-0.0.1-2003-09-24-20:44:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 100
diff changeset
159 *busy = (*busy)->next;
949f45d1589a nginx-0.0.1-2003-09-24-20:44:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 100
diff changeset
160 te->next = *free;
949f45d1589a nginx-0.0.1-2003-09-24-20:44:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 100
diff changeset
161 *free = te;
949f45d1589a nginx-0.0.1-2003-09-24-20:44:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 100
diff changeset
162 }
949f45d1589a nginx-0.0.1-2003-09-24-20:44:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 100
diff changeset
163 }