Mercurial > hg > nginx-quic
annotate src/os/unix/ngx_files.c @ 123:b75602822f64
nginx-0.0.1-2003-07-24-00:01:29 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Wed, 23 Jul 2003 20:01:29 +0000 |
parents | 869b10be682f |
children | eac26585476e |
rev | line source |
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5
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nginx-0.0.1-2002-08-23-20:14:30 import
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1 |
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nginx-0.0.1-2002-12-19-20:49:51 import
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2 #include <ngx_config.h> |
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3 #include <ngx_core.h> |
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4 #include <ngx_hunk.h> |
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5 #include <ngx_array.h> |
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nginx-0.0.1-2002-09-02-18:48:24 import
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6 #include <ngx_file.h> |
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7 #include <ngx_files.h> |
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nginx-0.0.1-2002-09-02-18:48:24 import
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9 |
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nginx-0.0.1-2002-09-02-18:48:24 import
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10 ssize_t ngx_read_file(ngx_file_t *file, char *buf, size_t size, off_t offset) |
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11 { |
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nginx-0.0.1-2002-09-02-18:48:24 import
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12 ssize_t n; |
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nginx-0.0.1-2003-04-14-21:04:58 import
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14 ngx_log_debug(file->log, "read: %d, %x, %d, %qd" _ |
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nginx-0.0.1-2003-04-14-21:04:58 import
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15 file->fd _ buf _ size _ offset); |
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16 |
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nginx-0.0.1-2002-09-02-18:48:24 import
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17 n = pread(file->fd, buf, size, offset); |
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nginx-0.0.1-2002-09-02-18:48:24 import
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nginx-0.0.1-2002-09-07-14:14:25 import
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19 if (n == -1) { |
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20 ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno, "pread() failed"); |
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21 return NGX_ERROR; |
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nginx-0.0.1-2002-09-07-14:14:25 import
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22 } |
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nginx-0.0.1-2002-12-21-20:14:50 import
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24 file->offset += n; |
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26 return n; |
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27 } |
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nginx-0.0.1-2003-04-10-19:08:54 import
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29 |
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nginx-0.0.1-2003-04-10-19:08:54 import
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30 ssize_t ngx_write_file(ngx_file_t *file, char *buf, size_t size, off_t offset) |
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31 { |
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32 ssize_t n; |
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33 |
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nginx-0.0.1-2003-04-10-19:08:54 import
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34 n = pwrite(file->fd, buf, size, offset); |
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35 |
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nginx-0.0.1-2003-04-10-19:08:54 import
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36 if (n == -1) { |
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nginx-0.0.1-2003-04-11-20:01:14 import
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37 ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno, "pwrite() failed"); |
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38 return NGX_ERROR; |
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nginx-0.0.1-2003-04-11-20:01:14 import
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39 } |
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nginx-0.0.1-2003-04-11-20:01:14 import
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40 |
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nginx-0.0.1-2003-04-11-20:01:14 import
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41 if ((size_t) n != size) { |
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42 ngx_log_error(NGX_LOG_CRIT, file->log, 0, |
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43 "pwrite() has written only %d of %d", n, size); |
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nginx-0.0.1-2003-04-10-19:08:54 import
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44 return NGX_ERROR; |
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nginx-0.0.1-2003-04-10-19:08:54 import
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45 } |
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46 |
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nginx-0.0.1-2003-04-11-20:01:14 import
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47 file->offset += n; |
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48 |
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49 return n; |
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nginx-0.0.1-2003-04-11-20:01:14 import
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50 } |
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nginx-0.0.1-2003-04-11-20:01:14 import
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51 |
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52 |
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53 ssize_t ngx_write_chain_to_file(ngx_file_t *file, ngx_chain_t *ce, |
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54 off_t offset, ngx_pool_t *pool) |
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55 { |
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56 size_t size; |
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57 ssize_t n; |
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nginx-0.0.1-2003-04-11-20:01:14 import
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58 struct iovec *iov; |
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59 ngx_err_t err; |
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60 ngx_array_t io; |
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61 |
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62 /* use pwrite() if there's the only hunk in a chain */ |
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63 |
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64 if (ce->next == NULL) { |
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65 return ngx_write_file(file, ce->hunk->pos, |
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66 ce->hunk->last - ce->hunk->pos, offset); |
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67 } |
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68 |
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69 ngx_init_array(io, pool, 10, sizeof(struct iovec), NGX_ERROR); |
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70 size = 0; |
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71 |
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72 while (ce) { |
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73 ngx_test_null(iov, ngx_push_array(&io), NGX_ERROR); |
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74 iov->iov_base = ce->hunk->pos; |
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75 iov->iov_len = ce->hunk->last - ce->hunk->pos; |
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76 size += ce->hunk->last - ce->hunk->pos; |
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77 ce = ce->next; |
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78 } |
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79 |
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80 if (lseek(file->fd, offset, SEEK_SET) == -1) { |
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81 ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno, "lseek() failed"); |
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82 return NGX_ERROR; |
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83 } |
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84 |
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85 n = writev(file->fd, (struct iovec *) io.elts, io.nelts); |
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86 |
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87 ngx_destroy_array(&io); |
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88 |
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89 if (n == -1) { |
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90 ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno, "writev() failed"); |
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91 return NGX_ERROR; |
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92 } |
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93 |
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94 if ((size_t) n != size) { |
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95 ngx_log_error(NGX_LOG_CRIT, file->log, 0, |
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96 "writev() has written only %d of %d", n, size); |
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97 return NGX_ERROR; |
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98 } |
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99 |
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100 file->offset += n; |
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101 |
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diff
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102 return n; |
4534060fde92
nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
35
diff
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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
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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
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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
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109 { |
62b1a364857c
nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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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
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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
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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
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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
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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
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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
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117 #if (USE_AIO_KQUEUE) |
62b1a364857c
nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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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
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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
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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
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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
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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
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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
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|
125 #ifndef __FreeBSD__ |
62b1a364857c
nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
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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
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127 #endif |
62b1a364857c
nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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128 #endif |
62b1a364857c
nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
129 |
62b1a364857c
nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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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
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|
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
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|
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
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|
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 |