Mercurial > hg > nginx

annotate src/os/unix/ngx_files.c @ 74:17ab1af8c3dd

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
nginx-0.0.1-2003-04-11-20:01:14 import
author Igor Sysoev <igor@sysoev.ru>
date Fri, 11 Apr 2003 16:01:14 +0000
parents 4534060fde92
children 869b10be682f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1
33
b2e039840718 nginx-0.0.1-2002-12-19-20:49:51 import
Igor Sysoev <igor@sysoev.ru>
parents: 9
diff changeset
2 #include <ngx_config.h>
8
708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
diff changeset
3 #include <ngx_core.h>
74
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
4 #include <ngx_hunk.h>
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
5 #include <ngx_array.h>
8
708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
diff changeset
6 #include <ngx_file.h>
74
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
7 #include <ngx_files.h>
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
8
8
708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
diff changeset
9
708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
diff changeset
10 ssize_t ngx_read_file(ngx_file_t *file, char *buf, size_t size, off_t offset)
708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
diff changeset
11 {
708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
diff changeset
12 ssize_t n;
5
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
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13
8
708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
diff changeset
14 ngx_log_debug(file->log, "read: %x, %d, %qd" _ buf _ size _ offset);
708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
diff changeset
15
708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
diff changeset
16 n = pread(file->fd, buf, size, offset);
708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
diff changeset
17
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6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
18 if (n == -1) {
74
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
19 ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno, "pread() failed");
9
6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
20 return NGX_ERROR;
6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
21 }
8
708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
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22
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79c1fce18e71 nginx-0.0.1-2002-12-21-20:14:50 import
Igor Sysoev <igor@sysoev.ru>
parents: 33
diff changeset
23 file->offset += n;
79c1fce18e71 nginx-0.0.1-2002-12-21-20:14:50 import
Igor Sysoev <igor@sysoev.ru>
parents: 33
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24
8
708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
diff changeset
25 return n;
5
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
26 }
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
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4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 35
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4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 35
diff changeset
29 ssize_t ngx_write_file(ngx_file_t *file, char *buf, size_t size, off_t offset)
4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 35
diff changeset
30 {
4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 35
diff changeset
31 ssize_t n;
4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 35
diff changeset
32
4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 35
diff changeset
33 n = pwrite(file->fd, buf, size, offset);
4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 35
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34
4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 35
diff changeset
35 if (n == -1) {
74
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
36 ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno, "pwrite() failed");
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
37 return NGX_ERROR;
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
38 }
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
39
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
40 if ((size_t) n != size) {
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
41 ngx_log_error(NGX_LOG_CRIT, file->log, 0,
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
42 "pwrite() has written only %d of %d", n, size);
73
4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 35
diff changeset
43 return NGX_ERROR;
4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 35
diff changeset
44 }
4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 35
diff changeset
45
74
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
46 file->offset += n;
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
47
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
48 return n;
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
49 }
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
50
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
51
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
52 ssize_t ngx_write_chain_to_file(ngx_file_t *file, ngx_chain_t *ce,
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
53 off_t offset, ngx_pool_t *pool)
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
54 {
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
55 size_t size;
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
56 ssize_t n;
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
57 struct iovec *iov;
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
58 ngx_err_t err;
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
59 ngx_array_t io;
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
60
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
61 /* use pwrite() if there's the only hunk in a chain */
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
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62
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
63 if (ce->next == NULL) {
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
64 return ngx_write_file(file, ce->hunk->pos,
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
65 ce->hunk->last - ce->hunk->pos, offset);
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
66 }
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
67
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
68 ngx_init_array(io, pool, 10, sizeof(struct iovec), NGX_ERROR);
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
69 size = 0;
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
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70
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
71 while (ce) {
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
72 ngx_test_null(iov, ngx_push_array(&io), NGX_ERROR);
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
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73 iov->iov_base = ce->hunk->pos;
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
74 iov->iov_len = ce->hunk->last - ce->hunk->pos;
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
75 size += ce->hunk->last - ce->hunk->pos;
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
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76 ce = ce->next;
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
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77 }
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
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78
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
79 if (lseek(file->fd, offset, SEEK_SET) == -1) {
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
80 ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno, "lseek() failed");
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
81 return NGX_ERROR;
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
82 }
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
83
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
84 n = writev(file->fd, (struct iovec *) io.elts, io.nelts);
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
85
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
86 ngx_destroy_array(&io);
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
87
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
88 if (n == -1) {
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
89 ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno, "writev() failed");
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
90 return NGX_ERROR;
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
91 }
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
92
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
93 if ((size_t) n != size) {
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
94 ngx_log_error(NGX_LOG_CRIT, file->log, 0,
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
95 "writev() has written only %d of %d", n, size);
73
4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 35
diff changeset
96 return NGX_ERROR;
4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 35
diff changeset
97 }
4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 35
diff changeset
98
4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 35
diff changeset
99 file->offset += n;
4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 35
diff changeset
100
4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 35
diff changeset
101 return n;
4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 35
diff changeset
102 }
4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 35
diff changeset
103
4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 35
diff changeset
104
5
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
105 #if 0
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
106
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
107 ssize_t ngx_read_file(ngx_file_t *file, char *buf, size_t size, off_t offset)
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
108 {
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
109 if (!file->read->ready) {
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
110
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
111 ngx_memzero(&file->iocb, sizeof(iocb));
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
112 file->iocb.aio_fildes = file->fd;
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
113 file->iocb.aio_buf = buf;
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
114 file->iocb.aio_nbytes = size;
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
115 file->iocb.aio_offset = offset;
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
116 #if (USE_AIO_KQUEUE)
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
117 file->iocb.aio_sigevent.sigev_notify = SIGEV_KEVENT;
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
118 file->iocb.aio_sigevent.sigev_notify_kqueue = tid->kq;
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
119 file->iocb.aio_sigevent.sigev_value = (union sigval) file;
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
120 #endif
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
121 #if (USE_AIO_SIGNAL)
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
122 file->iocb.aio_sigevent.sigev_notify = SIGEV_SIGNAL;
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
123 file->iocb.aio_sigevent.sigev_signo = NGX_SIGAIO;
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
124 #ifndef __FreeBSD__
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
125 file->iocb.aio_sigevent.sigev_value.sival_ptr = file;
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
126 #endif
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
127 #endif
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
128
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
129 if (aio_read(&file->iocb) == -1) {
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
130 ngx_log_error(NGX_LOG_ERR, file->log, ngx_errno,
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
131 "aio_read() failed");
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
132 return NGX_ERROR;
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
133
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
134 n = aio_error(&file->iocb);
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
135 if (n == EINPROGRESS)
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
136 return NGX_AGAIN;
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
137
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
138 if (n == -1) {
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
139 ngx_log_error(NGX_LOG_ERR, file->log, ngx_errno,
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
140 "aio_read() failed");
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
141 return NGX_ERROR;
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
142 }
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
143 }
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
144
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
145 ngx_assert(file->iocb.aio_buf == buf), return NGX_ERROR,
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
146 "ngx_aio_read_file: another buffer is passed");
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
147
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
148 n = aio_return(&file->iocb);
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
149 if (n == -1) {
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
150 ngx_log_error(NGX_LOG_ERR, file->log, ngx_errno,
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
151 "aio_read() failed");
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
152 return NGX_ERROR;
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
153 }
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
154
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
155 return n;
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
156 }
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
157
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
158 #endif