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annotate src/os/unix/ngx_files.c @ 154:eac26585476e

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
nginx-0.0.1-2003-10-22-11:05:29 import
author Igor Sysoev <igor@sysoev.ru>
date Wed, 22 Oct 2003 07:05:29 +0000
parents 869b10be682f
children c42be4185301
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>
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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
3 #include <ngx_core.h>
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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
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6 #include <ngx_file.h>
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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
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8
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708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
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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>
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869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 74
diff changeset
14 ngx_log_debug(file->log, "read: %d, %x, %d, %qd" _
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 74
diff changeset
15 file->fd _ buf _ size _ offset);
8
708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
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16
708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
diff changeset
17 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
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18
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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
19 if (n == -1) {
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17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
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20 ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno, "pread() failed");
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6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
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21 return NGX_ERROR;
6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
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22 }
8
708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
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23
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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
24 file->offset += n;
79c1fce18e71 nginx-0.0.1-2002-12-21-20:14:50 import
Igor Sysoev <igor@sysoev.ru>
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25
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708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
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26 return n;
5
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
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27 }
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
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4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
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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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30 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
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31 {
4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 35
diff changeset
32 ssize_t n;
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
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34 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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35
4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 35
diff changeset
36 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
37 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
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38 return 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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39 }
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
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40
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
41 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
42 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
43 "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
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44 return NGX_ERROR;
4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 35
diff changeset
45 }
4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 35
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46
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17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
47 file->offset += n;
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
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48
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
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49 return n;
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
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51
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
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52
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
53 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
54 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
55 {
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
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56 size_t size;
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
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57 ssize_t n;
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
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58 struct iovec *iov;
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
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59 ngx_err_t err;
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
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60 ngx_array_t io;
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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parents: 73
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61
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
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62 /* 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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63
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
64 if (ce->next == NULL) {
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
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65 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
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66 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
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67 }
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
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68
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
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69 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
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70 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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71
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
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72 while (ce) {
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
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73 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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74 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
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75 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
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76 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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77 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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78 }
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
79
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eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 75
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80 if (file->offset != offset) {
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 75
diff changeset
81 if (lseek(file->fd, offset, SEEK_SET) == -1) {
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 75
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82 ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno, "lseek() failed");
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 75
diff changeset
83 return NGX_ERROR;
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 75
diff changeset
84 }
74
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
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85 }
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
86
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
87 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
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88
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
89 if (n == -1) {
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
90 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
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91 return 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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92 }
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
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93
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 73
diff changeset
94 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
95 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
96 "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
97 return NGX_ERROR;
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
4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 35
diff changeset
100 file->offset += n;
4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 35
diff changeset
101
4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 35
diff changeset
102 return n;
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
4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 35
diff changeset
105
5
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
106 #if 0
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
107
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
108 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
109 {
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
110 if (!file->read->ready) {
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
111
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
112 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
113 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
114 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
115 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
116 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
117 #if (USE_AIO_KQUEUE)
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 = SIGEV_KEVENT;
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_notify_kqueue = tid->kq;
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
120 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
121 #endif
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
122 #if (USE_AIO_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_notify = SIGEV_SIGNAL;
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
124 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
125 #ifndef __FreeBSD__
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
126 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
127 #endif
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
128 #endif
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
129
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
130 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
131 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
132 "aio_read() failed");
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
133 return NGX_ERROR;
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
134
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
135 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
136 if (n == EINPROGRESS)
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
137 return NGX_AGAIN;
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
138
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
139 if (n == -1) {
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
140 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
141 "aio_read() failed");
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
142 return NGX_ERROR;
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
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
146 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
147 "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
148
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
149 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
150 if (n == -1) {
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
151 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
152 "aio_read() failed");
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
153 return NGX_ERROR;
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
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
156 return n;
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
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
159 #endif