Mercurial > hg > nginx

annotate src/os/unix/ngx_aio_read.c @ 469:2ff194b74f1e release-0.1.9

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
nginx-0.1.9-RELEASE import *) Bugfix: the proxied request was sent without arguments if the request contains "//", "/./", "/../" or "%XX". *) Bugfix: the large compressed responses may be transferred not completely. *) Bugfix: the files bigger than 2G was not transferred on Linux that does not support sendfile64(). *) Bugfix: while the build configuration on Linux the --with-poll_module parameter was required; the bug had appeared in 0.1.8.
author Igor Sysoev <igor@sysoev.ru>
date Thu, 25 Nov 2004 16:17:31 +0000
parents 42d11f017717
children 4d9ea73a627a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
441
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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1
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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2 /*
444
42d11f017717 nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
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3 * Copyright (C) Igor Sysoev
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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4 */
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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5
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738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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7 #include <ngx_config.h>
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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8 #include <ngx_core.h>
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6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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9 #include <ngx_event.h>
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10 #include <ngx_aio.h>
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11
469
2ff194b74f1e nginx-0.1.9-RELEASE import
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12 #if (NGX_HAVE_KQUEUE)
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13 #include <ngx_kqueue_module.h>
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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14 #endif
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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15
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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17 /*
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84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
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18 * the ready data requires 3 syscalls:
84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
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19 * aio_write(), aio_error(), aio_return()
84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
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20 * the non-ready data requires 4 (kqueue) or 5 syscalls:
84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
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21 * aio_write(), aio_error(), notifiction, aio_error(), aio_return()
84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
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22 * timeout, aio_cancel(), aio_error()
84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
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23 */
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24
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4a3f18406832 nginx-0.0.3-2004-03-30-10:27:36 import
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25 ssize_t ngx_aio_read(ngx_connection_t *c, u_char *buf, size_t size)
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26 {
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84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
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27 int n;
84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
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28 ngx_event_t *rev;
84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
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29
84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
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30 rev = c->read;
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31
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32 if (!rev->ready) {
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0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
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33 ngx_log_error(NGX_LOG_ALERT, c->log, 0, "second aio post");
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34 return NGX_AGAIN;
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35 }
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36
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37 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import
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parents: 184
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38 "rev->complete: %d", rev->complete);
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parents: 184
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39 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import
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parents: 184
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40 "aio size: %d", size);
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41
389d7ee9fa60 nginx-0.0.1-2003-10-30-11:51:06 import
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parents: 164
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42 if (!rev->complete) {
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84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
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parents: 103
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43 ngx_memzero(&rev->aiocb, sizeof(struct aiocb));
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44
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45 rev->aiocb.aio_fildes = c->fd;
84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
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parents: 103
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46 rev->aiocb.aio_buf = buf;
84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
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parents: 103
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47 rev->aiocb.aio_nbytes = size;
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738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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48
469
2ff194b74f1e nginx-0.1.9-RELEASE import
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49 #if (NGX_HAVE_KQUEUE)
164
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50 rev->aiocb.aio_sigevent.sigev_notify_kqueue = ngx_kqueue;
84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
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parents: 103
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51 rev->aiocb.aio_sigevent.sigev_notify = SIGEV_KEVENT;
84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
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parents: 103
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52 rev->aiocb.aio_sigevent.sigev_value.sigval_ptr = rev;
84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
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53 #endif
84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
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54
84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
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55 if (aio_read(&rev->aiocb) == -1) {
84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
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parents: 103
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56 ngx_log_error(NGX_LOG_CRIT, rev->log, ngx_errno,
84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
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parents: 103
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57 "aio_read() failed");
84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
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58 rev->error = 1;
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59 return NGX_ERROR;
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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60 }
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61
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parents: 184
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62 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import
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parents: 184
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63 "aio_read: #%d OK", c->fd);
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64
164
84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
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65 rev->active = 1;
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66 rev->ready = 0;
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67 }
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68
166
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69 rev->complete = 0;
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70
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71 n = aio_error(&rev->aiocb);
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72 if (n == -1) {
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73 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno, "aio_error() failed");
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74 rev->error = 1;
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75 return NGX_ERROR;
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76 }
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77
164
84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
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78 if (n != 0) {
84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
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79 if (n == NGX_EINPROGRESS) {
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389d7ee9fa60 nginx-0.0.1-2003-10-30-11:51:06 import
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80 if (rev->ready) {
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1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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81 ngx_log_error(NGX_LOG_ALERT, c->log, n,
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738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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82 "aio_read() still in progress");
166
389d7ee9fa60 nginx-0.0.1-2003-10-30-11:51:06 import
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83 rev->ready = 0;
93
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84 }
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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85 return NGX_AGAIN;
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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86 }
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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87
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1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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88 ngx_log_error(NGX_LOG_CRIT, c->log, n, "aio_read() failed");
164
84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
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89 rev->error = 1;
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389d7ee9fa60 nginx-0.0.1-2003-10-30-11:51:06 import
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90 rev->ready = 0;
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738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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91 return NGX_ERROR;
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92 }
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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93
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84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
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94 n = aio_return(&rev->aiocb);
84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
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parents: 103
diff changeset
95 if (n == -1) {
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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parents: 166
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96 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno,
164
84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
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parents: 103
diff changeset
97 "aio_return() failed");
93
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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parents:
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98
164
84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
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parents: 103
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99 rev->error = 1;
166
389d7ee9fa60 nginx-0.0.1-2003-10-30-11:51:06 import
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parents: 164
diff changeset
100 rev->ready = 0;
93
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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101 return NGX_ERROR;
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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parents:
diff changeset
102 }
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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parents:
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103
257
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import
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parents: 184
diff changeset
104 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, rev->log, 0,
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 184
diff changeset
105 "aio_read: #%d %d", c->fd, n);
166
389d7ee9fa60 nginx-0.0.1-2003-10-30-11:51:06 import
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parents: 164
diff changeset
106
389d7ee9fa60 nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 164
diff changeset
107 if (n == 0) {
389d7ee9fa60 nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 164
diff changeset
108 rev->eof = 1;
389d7ee9fa60 nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 164
diff changeset
109 rev->ready = 0;
389d7ee9fa60 nginx-0.0.1-2003-10-30-11:51:06 import
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parents: 164
diff changeset
110 } else {
389d7ee9fa60 nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 164
diff changeset
111 rev->ready = 1;
389d7ee9fa60 nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 164
diff changeset
112 }
389d7ee9fa60 nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 164
diff changeset
113
164
84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
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parents: 103
diff changeset
114 rev->active = 0;
84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
115
84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
116 return n;
93
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
117 }