Mercurial > hg > nginx-mail
comparison src/os/unix/ngx_file_aio_read.c @ 665:0b460e61bdcd default tip
Merge with nginx 1.0.0.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Mon, 25 Apr 2011 04:22:17 +0400 |
parents | 2b9e388c61f1 |
children |
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572:06419a2298a9 | 665:0b460e61bdcd |
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37 | 37 |
38 ssize_t | 38 ssize_t |
39 ngx_file_aio_read(ngx_file_t *file, u_char *buf, size_t size, off_t offset, | 39 ngx_file_aio_read(ngx_file_t *file, u_char *buf, size_t size, off_t offset, |
40 ngx_pool_t *pool) | 40 ngx_pool_t *pool) |
41 { | 41 { |
42 int n; | 42 int n; |
43 ngx_event_t *ev; | 43 ngx_event_t *ev; |
44 ngx_event_aio_t *aio; | 44 ngx_event_aio_t *aio; |
45 static ngx_uint_t enosys = 0; | 45 |
46 | 46 if (!ngx_file_aio) { |
47 if (enosys) { | |
48 return ngx_read_file(file, buf, size, offset); | 47 return ngx_read_file(file, buf, size, offset); |
49 } | 48 } |
50 | 49 |
51 aio = file->aio; | 50 aio = file->aio; |
52 | 51 |
114 | 113 |
115 ngx_log_error(NGX_LOG_CRIT, file->log, n, | 114 ngx_log_error(NGX_LOG_CRIT, file->log, n, |
116 "aio_read(\"%V\") failed", &file->name); | 115 "aio_read(\"%V\") failed", &file->name); |
117 | 116 |
118 if (n == NGX_ENOSYS) { | 117 if (n == NGX_ENOSYS) { |
119 enosys = 1; | 118 ngx_file_aio = 0; |
120 return ngx_read_file(file, buf, size, offset); | 119 return ngx_read_file(file, buf, size, offset); |
121 } | 120 } |
122 | 121 |
123 return NGX_ERROR; | 122 return NGX_ERROR; |
124 } | 123 } |