Mercurial > hg > nginx

annotate src/os/unix/ngx_freebsd_sendfile_chain.c @ 7660:d33e17499088

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Version bump.
author Maxim Dounin <mdounin@mdounin.ru>
date Tue, 26 May 2020 22:03:00 +0300
parents 400a3412b1e3
children 555533169506
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
272
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 265
diff changeset
1
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 265
diff changeset
2 /*
444
42d11f017717 nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
Igor Sysoev <igor@sysoev.ru>
parents: 441
diff changeset
3 * Copyright (C) Igor Sysoev
4412
d620f497c50f Copyright updated.
Maxim Konovalov <maxim@nginx.com>
parents: 4335
diff changeset
4 * Copyright (C) Nginx, Inc.
272
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 265
diff changeset
5 */
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 265
diff changeset
6
63
36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
7
36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
8 #include <ngx_config.h>
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
9 #include <ngx_core.h>
142
cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
10 #include <ngx_event.h>
63
36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
11
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
12
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
13 /*
479
c52408583801 nginx-0.1.14-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 477
diff changeset
14 * Although FreeBSD sendfile() allows to pass a header and a trailer,
4133
59b99f217c6d Replaced "can not" with "cannot" and "could not" in a bunch of places.
Ruslan Ermilov <ru@nginx.com>
parents: 3081
diff changeset
15 * it cannot send a header with a part of the file in one packet until
479
c52408583801 nginx-0.1.14-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 477
diff changeset
16 * FreeBSD 5.3. Besides, over the fast ethernet connection sendfile()
361
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
diff changeset
17 * may send the partially filled packets, i.e. the 8 file pages may be sent
290
87e73f067470 nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 272
diff changeset
18 * as the 11 full 1460-bytes packets, then one incomplete 324-bytes packet,
87e73f067470 nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 272
diff changeset
19 * and then again the 11 full 1460-bytes packets.
142
cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
20 *
4572
67653855682e Fixed spelling in multiline C comments.
Ruslan Ermilov <ru@nginx.com>
parents: 4499
diff changeset
21 * Therefore we use the TCP_NOPUSH option (similar to Linux's TCP_CORK)
479
c52408583801 nginx-0.1.14-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 477
diff changeset
22 * to postpone the sending - it not only sends a header and the first part of
c52408583801 nginx-0.1.14-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 477
diff changeset
23 * the file in one packet, but also sends the file pages in the full packets.
253
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 218
diff changeset
24 *
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
25 * But until FreeBSD 4.5 turning TCP_NOPUSH off does not flush a pending
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
26 * data that less than MSS, so that data may be sent with 5 second delay.
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
27 * So we do not use TCP_NOPUSH on FreeBSD prior to 4.5, although it can be used
143
5526213be452 nginx-0.0.1-2003-10-10-19:10:50 import
Igor Sysoev <igor@sysoev.ru>
parents: 142
diff changeset
28 * for non-keepalive HTTP connections.
142
cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
29 */
63
36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
30
36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
31
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
32 ngx_chain_t *
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
33 ngx_freebsd_sendfile_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit)
63
36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
34 {
5980
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
35 int rc, flags;
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
36 off_t send, prev_send, sent;
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
37 size_t file_size;
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
38 ssize_t n;
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
39 ngx_uint_t eintr, eagain;
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
40 ngx_err_t err;
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
41 ngx_buf_t *file;
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
42 ngx_event_t *wev;
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
43 ngx_chain_t *cl;
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
44 ngx_iovec_t header, trailer;
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
45 struct sf_hdtr hdtr;
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
46 struct iovec headers[NGX_IOVS_PREALLOCATE];
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
47 struct iovec trailers[NGX_IOVS_PREALLOCATE];
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
48 #if (NGX_HAVE_AIO_SENDFILE)
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
49 ngx_uint_t ebusy;
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
50 ngx_event_aio_t *aio;
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
51 #endif
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
52
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 163
diff changeset
53 wev = c->write;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 163
diff changeset
54
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 163
diff changeset
55 if (!wev->ready) {
144
ef8c87afcfc5 nginx-0.0.1-2003-10-12-20:49:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 143
diff changeset
56 return in;
ef8c87afcfc5 nginx-0.0.1-2003-10-12-20:49:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 143
diff changeset
57 }
ef8c87afcfc5 nginx-0.0.1-2003-10-12-20:49:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 143
diff changeset
58
469
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 461
diff changeset
59 #if (NGX_HAVE_KQUEUE)
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 163
diff changeset
60
587
284cc140593b nginx-0.3.15-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 581
diff changeset
61 if ((ngx_event_flags & NGX_USE_KQUEUE_EVENT) && wev->pending_eof) {
537
c9ad0d9c7d59 nginx-0.1.43-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
62 (void) ngx_connection_error(c, wev->kq_errno,
c9ad0d9c7d59 nginx-0.1.43-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
63 "kevent() reported about an closed connection");
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 163
diff changeset
64 wev->error = 1;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 163
diff changeset
65 return NGX_CHAIN_ERROR;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 163
diff changeset
66 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 163
diff changeset
67
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 163
diff changeset
68 #endif
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 163
diff changeset
69
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
70 /* the maximum limit size is the maximum size_t value - the page size */
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
71
1354
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 1182
diff changeset
72 if (limit == 0 || limit > (off_t) (NGX_MAX_SIZE_T_VALUE - ngx_pagesize)) {
477
ad1e9ebf93bb nginx-0.1.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 473
diff changeset
73 limit = NGX_MAX_SIZE_T_VALUE - ngx_pagesize;
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
74 }
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
75
362
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
76 send = 0;
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
77 eagain = 0;
3065
113cd532b328 aio sendfile
Igor Sysoev <igor@sysoev.ru>
parents: 3063
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78 flags = 0;
361
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
diff changeset
79
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Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
80 #if (NGX_HAVE_AIO_SENDFILE && NGX_SUPPRESS_WARN)
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
81 aio = NULL;
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
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82 file = NULL;
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
83 #endif
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Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
84
5913
8e903522c17a Introduced the ngx_output_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents: 5912
diff changeset
85 header.iovs = headers;
5854
b63e829621ab Generalized definitions of the number of preallocated iovec's.
Valentin Bartenev <vbart@nginx.com>
parents: 5851
diff changeset
86 header.nalloc = NGX_IOVS_PREALLOCATE;
428
5e73d0ea4dab nginx-0.0.11-2004-09-16-20:10:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 402
diff changeset
87
5913
8e903522c17a Introduced the ngx_output_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents: 5912
diff changeset
88 trailer.iovs = trailers;
5854
b63e829621ab Generalized definitions of the number of preallocated iovec's.
Valentin Bartenev <vbart@nginx.com>
parents: 5851
diff changeset
89 trailer.nalloc = NGX_IOVS_PREALLOCATE;
428
5e73d0ea4dab nginx-0.0.11-2004-09-16-20:10:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 402
diff changeset
90
362
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
91 for ( ;; ) {
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
92 eintr = 0;
5980
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Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
93 #if (NGX_HAVE_AIO_SENDFILE)
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
94 ebusy = 0;
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
95 #endif
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
96 prev_send = send;
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
97
343
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents: 297
diff changeset
98 /* create the header iovec and coalesce the neighbouring bufs */
143
5526213be452 nginx-0.0.1-2003-10-10-19:10:50 import
Igor Sysoev <igor@sysoev.ru>
parents: 142
diff changeset
99
5913
8e903522c17a Introduced the ngx_output_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents: 5912
diff changeset
100 cl = ngx_output_chain_to_iovec(&header, in, limit - send, c->log);
361
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
diff changeset
101
5913
8e903522c17a Introduced the ngx_output_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents: 5912
diff changeset
102 if (cl == NGX_CHAIN_ERROR) {
8e903522c17a Introduced the ngx_output_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents: 5912
diff changeset
103 return NGX_CHAIN_ERROR;
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
104 }
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
105
5913
8e903522c17a Introduced the ngx_output_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents: 5912
diff changeset
106 send += header.size;
142
cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
107
362
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
108 if (cl && cl->buf->in_file && send < limit) {
343
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents: 297
diff changeset
109 file = cl->buf;
152
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
110
343
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents: 297
diff changeset
111 /* coalesce the neighbouring file bufs */
152
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
112
5915
ac3f78219f85 Moved the code for coalescing file buffers to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents: 5913
diff changeset
113 file_size = (size_t) ngx_chain_coalesce_file(&cl, limit - send);
362
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
114
5915
ac3f78219f85 Moved the code for coalescing file buffers to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents: 5913
diff changeset
115 send += file_size;
455
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
116
6874
7cc2d3a96ea3 Fixed trailer construction with limit on FreeBSD and macOS.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6422
diff changeset
117 if (send < limit) {
142
cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
118
6874
7cc2d3a96ea3 Fixed trailer construction with limit on FreeBSD and macOS.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6422
diff changeset
119 /*
7cc2d3a96ea3 Fixed trailer construction with limit on FreeBSD and macOS.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6422
diff changeset
120 * create the trailer iovec and coalesce the neighbouring bufs
7cc2d3a96ea3 Fixed trailer construction with limit on FreeBSD and macOS.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6422
diff changeset
121 */
361
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
diff changeset
122
6874
7cc2d3a96ea3 Fixed trailer construction with limit on FreeBSD and macOS.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6422
diff changeset
123 cl = ngx_output_chain_to_iovec(&trailer, cl, limit - send,
7cc2d3a96ea3 Fixed trailer construction with limit on FreeBSD and macOS.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6422
diff changeset
124 c->log);
7cc2d3a96ea3 Fixed trailer construction with limit on FreeBSD and macOS.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6422
diff changeset
125 if (cl == NGX_CHAIN_ERROR) {
7cc2d3a96ea3 Fixed trailer construction with limit on FreeBSD and macOS.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6422
diff changeset
126 return NGX_CHAIN_ERROR;
7cc2d3a96ea3 Fixed trailer construction with limit on FreeBSD and macOS.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6422
diff changeset
127 }
7cc2d3a96ea3 Fixed trailer construction with limit on FreeBSD and macOS.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6422
diff changeset
128
7cc2d3a96ea3 Fixed trailer construction with limit on FreeBSD and macOS.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6422
diff changeset
129 send += trailer.size;
7cc2d3a96ea3 Fixed trailer construction with limit on FreeBSD and macOS.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6422
diff changeset
130
7cc2d3a96ea3 Fixed trailer construction with limit on FreeBSD and macOS.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6422
diff changeset
131 } else {
7cc2d3a96ea3 Fixed trailer construction with limit on FreeBSD and macOS.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6422
diff changeset
132 trailer.count = 0;
5913
8e903522c17a Introduced the ngx_output_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents: 5912
diff changeset
133 }
4596
089cc5154c1e IOV_MAX handling microoptimization.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4572
diff changeset
134
344
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 343
diff changeset
135 if (ngx_freebsd_use_tcp_nopush
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 343
diff changeset
136 && c->tcp_nopush == NGX_TCP_NOPUSH_UNSET)
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 343
diff changeset
137 {
7239
400a3412b1e3 Fixed checking ngx_tcp_push() and ngx_tcp_nopush() return values.
Ruslan Ermilov <ru@nginx.com>
parents: 6874
diff changeset
138 if (ngx_tcp_nopush(c->fd) == -1) {
5557
188481078faf Use ngx_socket_errno where appropriate.
Piotr Sikora <piotr@cloudflare.com>
parents: 5320
diff changeset
139 err = ngx_socket_errno;
253
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 218
diff changeset
140
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 218
diff changeset
141 /*
479
c52408583801 nginx-0.1.14-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 477
diff changeset
142 * there is a tiny chance to be interrupted, however,
253
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 218
diff changeset
143 * we continue a processing without the TCP_NOPUSH
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 218
diff changeset
144 */
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 218
diff changeset
145
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 218
diff changeset
146 if (err != NGX_EINTR) {
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 218
diff changeset
147 wev->error = 1;
537
c9ad0d9c7d59 nginx-0.1.43-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
148 (void) ngx_connection_error(c, err,
c9ad0d9c7d59 nginx-0.1.43-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
149 ngx_tcp_nopush_n " failed");
253
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 218
diff changeset
150 return NGX_CHAIN_ERROR;
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 218
diff changeset
151 }
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 218
diff changeset
152
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 218
diff changeset
153 } else {
344
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 343
diff changeset
154 c->tcp_nopush = NGX_TCP_NOPUSH_SET;
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 343
diff changeset
155
253
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 218
diff changeset
156 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 218
diff changeset
157 "tcp_nopush");
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
158 }
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
159 }
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
160
4335
1003326eccc5 Microoptimization of sendfile(2) usage under FreeBSD.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4133
diff changeset
161 /*
1003326eccc5 Microoptimization of sendfile(2) usage under FreeBSD.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4133
diff changeset
162 * sendfile() does unneeded work if sf_hdtr's count is 0,
1003326eccc5 Microoptimization of sendfile(2) usage under FreeBSD.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4133
diff changeset
163 * but corresponding pointer is not NULL
1003326eccc5 Microoptimization of sendfile(2) usage under FreeBSD.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4133
diff changeset
164 */
1003326eccc5 Microoptimization of sendfile(2) usage under FreeBSD.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4133
diff changeset
165
5913
8e903522c17a Introduced the ngx_output_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents: 5912
diff changeset
166 hdtr.headers = header.count ? header.iovs : NULL;
8e903522c17a Introduced the ngx_output_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents: 5912
diff changeset
167 hdtr.hdr_cnt = header.count;
8e903522c17a Introduced the ngx_output_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents: 5912
diff changeset
168 hdtr.trailers = trailer.count ? trailer.iovs : NULL;
8e903522c17a Introduced the ngx_output_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents: 5912
diff changeset
169 hdtr.trl_cnt = trailer.count;
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
170
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
171 /*
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
172 * the "nbytes bug" of the old sendfile() syscall:
5727
675bda8dcfdb FreeBSD has migrated to Bugzilla.
Sergey Kandaurov <pluknet@nginx.com>
parents: 5557
diff changeset
173 * http://bugs.freebsd.org/33771
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
174 */
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
175
479
c52408583801 nginx-0.1.14-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 477
diff changeset
176 if (!ngx_freebsd_sendfile_nbytes_bug) {
5913
8e903522c17a Introduced the ngx_output_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents: 5912
diff changeset
177 header.size = 0;
63
36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
178 }
36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
179
203
c9da5900c79e nginx-0.0.1-2003-12-02-08:47:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 201
diff changeset
180 sent = 0;
c9da5900c79e nginx-0.0.1-2003-12-02-08:47:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 201
diff changeset
181
3065
113cd532b328 aio sendfile
Igor Sysoev <igor@sysoev.ru>
parents: 3063
diff changeset
182 #if (NGX_HAVE_AIO_SENDFILE)
5980
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
183 aio = file->file->aio;
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
184 flags = (aio && aio->preload_handler) ? SF_NODISKIO : 0;
3065
113cd532b328 aio sendfile
Igor Sysoev <igor@sysoev.ru>
parents: 3063
diff changeset
185 #endif
113cd532b328 aio sendfile
Igor Sysoev <igor@sysoev.ru>
parents: 3063
diff changeset
186
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
187 rc = sendfile(file->file->fd, c->fd, file->file_pos,
5913
8e903522c17a Introduced the ngx_output_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents: 5912
diff changeset
188 file_size + header.size, &hdtr, &sent, flags);
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
189
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
190 if (rc == -1) {
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
191 err = ngx_errno;
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
192
3063
6f6d7ea70805 refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
193 switch (err) {
6f6d7ea70805 refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
194 case NGX_EAGAIN:
6f6d7ea70805 refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
195 eagain = 1;
6f6d7ea70805 refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
196 break;
216
f1d0e5f09c1e nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 214
diff changeset
197
3063
6f6d7ea70805 refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
198 case NGX_EINTR:
6f6d7ea70805 refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
199 eintr = 1;
6f6d7ea70805 refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
200 break;
152
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
201
3065
113cd532b328 aio sendfile
Igor Sysoev <igor@sysoev.ru>
parents: 3063
diff changeset
202 #if (NGX_HAVE_AIO_SENDFILE)
113cd532b328 aio sendfile
Igor Sysoev <igor@sysoev.ru>
parents: 3063
diff changeset
203 case NGX_EBUSY:
5980
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
204 ebusy = 1;
3065
113cd532b328 aio sendfile
Igor Sysoev <igor@sysoev.ru>
parents: 3063
diff changeset
205 break;
113cd532b328 aio sendfile
Igor Sysoev <igor@sysoev.ru>
parents: 3063
diff changeset
206 #endif
113cd532b328 aio sendfile
Igor Sysoev <igor@sysoev.ru>
parents: 3063
diff changeset
207
3063
6f6d7ea70805 refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
208 default:
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 163
diff changeset
209 wev->error = 1;
537
c9ad0d9c7d59 nginx-0.1.43-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
210 (void) ngx_connection_error(c, err, "sendfile() failed");
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
211 return NGX_CHAIN_ERROR;
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
212 }
3063
6f6d7ea70805 refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
213
6f6d7ea70805 refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
214 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, err,
6f6d7ea70805 refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
215 "sendfile() sent only %O bytes", sent);
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
216
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 479
diff changeset
217 /*
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 479
diff changeset
218 * sendfile() in FreeBSD 3.x-4.x may return value >= 0
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 479
diff changeset
219 * on success, although only 0 is documented
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 479
diff changeset
220 */
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 479
diff changeset
221
3080
af427e13cfd7 small optimization
Igor Sysoev <igor@sysoev.ru>
parents: 3065
diff changeset
222 } else if (rc >= 0 && sent == 0) {
455
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
223
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
224 /*
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 479
diff changeset
225 * if rc is OK and sent equal to zero, then someone
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 479
diff changeset
226 * has truncated the file, so the offset became beyond
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 479
diff changeset
227 * the end of the file
455
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
228 */
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
229
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
230 ngx_log_error(NGX_LOG_ALERT, c->log, 0,
3081
10bfdd8d5eb9 log offset passed to sendfile()
Igor Sysoev <igor@sysoev.ru>
parents: 3080
diff changeset
231 "sendfile() reported that \"%s\" was truncated at %O",
10bfdd8d5eb9 log offset passed to sendfile()
Igor Sysoev <igor@sysoev.ru>
parents: 3080
diff changeset
232 file->file->name.data, file->file_pos);
455
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
233
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
234 return NGX_CHAIN_ERROR;
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
235 }
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
236
214
e0c502f15852 nginx-0.0.1-2003-12-22-12:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 203
diff changeset
237 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0,
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
238 "sendfile: %d, @%O %O:%uz",
5913
8e903522c17a Introduced the ngx_output_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents: 5912
diff changeset
239 rc, file->file_pos, sent, file_size + header.size);
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
240
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
241 } else {
5917
2c64b69daec5 Moved writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents: 5916
diff changeset
242 n = ngx_writev(c, &header);
216
f1d0e5f09c1e nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 214
diff changeset
243
5917
2c64b69daec5 Moved writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents: 5916
diff changeset
244 if (n == NGX_ERROR) {
2c64b69daec5 Moved writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents: 5916
diff changeset
245 return NGX_CHAIN_ERROR;
143
5526213be452 nginx-0.0.1-2003-10-10-19:10:50 import
Igor Sysoev <igor@sysoev.ru>
parents: 142
diff changeset
246 }
89
29bf798b583f nginx-0.0.1-2003-05-15-19:42:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 88
diff changeset
247
5917
2c64b69daec5 Moved writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents: 5916
diff changeset
248 sent = (n == NGX_AGAIN) ? 0 : n;
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
249 }
63
36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
250
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
251 c->sent += sent;
63
36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
252
5912
de68ed551bfb Renamed ngx_handle_sent_chain() to ngx_chain_update_sent().
Valentin Bartenev <vbart@nginx.com>
parents: 5868
diff changeset
253 in = ngx_chain_update_sent(in, sent);
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
254
3065
113cd532b328 aio sendfile
Igor Sysoev <igor@sysoev.ru>
parents: 3063
diff changeset
255 #if (NGX_HAVE_AIO_SENDFILE)
5980
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
256
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
257 if (ebusy) {
6422
768e287a6f36 Fixed sendfile in threads (or with aio preload) and subrequests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6066
diff changeset
258 if (aio->event.active) {
768e287a6f36 Fixed sendfile in threads (or with aio preload) and subrequests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6066
diff changeset
259 /*
768e287a6f36 Fixed sendfile in threads (or with aio preload) and subrequests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6066
diff changeset
260 * tolerate duplicate calls; they can happen due to subrequests
768e287a6f36 Fixed sendfile in threads (or with aio preload) and subrequests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6066
diff changeset
261 * or multiple calls of the next body filter from a filter
768e287a6f36 Fixed sendfile in threads (or with aio preload) and subrequests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6066
diff changeset
262 */
768e287a6f36 Fixed sendfile in threads (or with aio preload) and subrequests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6066
diff changeset
263
768e287a6f36 Fixed sendfile in threads (or with aio preload) and subrequests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6066
diff changeset
264 if (sent) {
768e287a6f36 Fixed sendfile in threads (or with aio preload) and subrequests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6066
diff changeset
265 c->busy_count = 0;
768e287a6f36 Fixed sendfile in threads (or with aio preload) and subrequests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6066
diff changeset
266 }
768e287a6f36 Fixed sendfile in threads (or with aio preload) and subrequests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6066
diff changeset
267
768e287a6f36 Fixed sendfile in threads (or with aio preload) and subrequests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6066
diff changeset
268 return in;
768e287a6f36 Fixed sendfile in threads (or with aio preload) and subrequests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6066
diff changeset
269 }
768e287a6f36 Fixed sendfile in threads (or with aio preload) and subrequests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6066
diff changeset
270
5980
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
271 if (sent == 0) {
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
272 c->busy_count++;
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
273
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
274 if (c->busy_count > 2) {
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
275 ngx_log_error(NGX_LOG_ALERT, c->log, 0,
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
276 "sendfile(%V) returned busy again",
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
277 &file->file->name);
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
278
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
279 c->busy_count = 0;
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
280 aio->preload_handler = NULL;
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
281
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
282 send = prev_send;
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
283 continue;
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
284 }
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
285
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
286 } else {
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
287 c->busy_count = 0;
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
288 }
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
289
6066
657f6ec01da0 Used the correct type for the AIO preload handler return value.
Valentin Bartenev <vbart@nginx.com>
parents: 5980
diff changeset
290 n = aio->preload_handler(file);
5980
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
291
6066
657f6ec01da0 Used the correct type for the AIO preload handler return value.
Valentin Bartenev <vbart@nginx.com>
parents: 5980
diff changeset
292 if (n > 0) {
5980
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
293 send = prev_send + sent;
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
294 continue;
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
295 }
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
296
5320
ad137a80919f Don't lose pointer to first nonempty buf in ngx_*_sendfile_chain().
Gleb Smirnoff <glebius@nginx.com>
parents: 4596
diff changeset
297 return in;
3065
113cd532b328 aio sendfile
Igor Sysoev <igor@sysoev.ru>
parents: 3063
diff changeset
298 }
5980
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
299
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
300 if (flags == SF_NODISKIO) {
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
301 c->busy_count = 0;
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
302 }
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
303
3065
113cd532b328 aio sendfile
Igor Sysoev <igor@sysoev.ru>
parents: 3063
diff changeset
304 #endif
113cd532b328 aio sendfile
Igor Sysoev <igor@sysoev.ru>
parents: 3063
diff changeset
305
152
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
306 if (eagain) {
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
307
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
308 /*
479
c52408583801 nginx-0.1.14-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 477
diff changeset
309 * sendfile() may return EAGAIN, even if it has sent a whole file
c52408583801 nginx-0.1.14-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 477
diff changeset
310 * part, it indicates that the successive sendfile() call would
253
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 218
diff changeset
311 * return EAGAIN right away and would not send anything.
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 218
diff changeset
312 * We use it as a hint.
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
313 */
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
314
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 163
diff changeset
315 wev->ready = 0;
5320
ad137a80919f Don't lose pointer to first nonempty buf in ngx_*_sendfile_chain().
Gleb Smirnoff <glebius@nginx.com>
parents: 4596
diff changeset
316 return in;
362
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
317 }
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
318
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
319 if (eintr) {
5868
6bbad2e73245 Fixed counting of sent bytes in the send chain functions on EINTR.
Valentin Bartenev <vbart@nginx.com>
parents: 5854
diff changeset
320 send = prev_send + sent;
362
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
321 continue;
152
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
322 }
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
323
5851
150df089fe47 Removed the "complete" variable from various send chain functions.
Valentin Bartenev <vbart@nginx.com>
parents: 5850
diff changeset
324 if (send - prev_send != sent) {
362
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
325 wev->ready = 0;
5320
ad137a80919f Don't lose pointer to first nonempty buf in ngx_*_sendfile_chain().
Gleb Smirnoff <glebius@nginx.com>
parents: 4596
diff changeset
326 return in;
362
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
327 }
152
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
328
5320
ad137a80919f Don't lose pointer to first nonempty buf in ngx_*_sendfile_chain().
Gleb Smirnoff <glebius@nginx.com>
parents: 4596
diff changeset
329 if (send >= limit || in == NULL) {
ad137a80919f Don't lose pointer to first nonempty buf in ngx_*_sendfile_chain().
Gleb Smirnoff <glebius@nginx.com>
parents: 4596
diff changeset
330 return in;
362
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
331 }
142
cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
332 }
63
36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
333 }