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

Version bump.
author Maxim Dounin <mdounin@mdounin.ru>
date Tue, 26 May 2020 22:03:00 +0300
parents 7cc2d3a96ea3
children
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: 3063
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 /*
2128
345a014436d4 *) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
14 * It seems that Darwin 9.4 (Mac OS X 1.5) sendfile() has the same
345a014436d4 *) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
15 * old bug as early FreeBSD sendfile() syscall:
5727
675bda8dcfdb FreeBSD has migrated to Bugzilla.
Sergey Kandaurov <pluknet@nginx.com>
parents: 5320
diff changeset
16 * http://bugs.freebsd.org/33771
142
cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
17 *
2128
345a014436d4 *) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
18 * Besides sendfile() has another bug: if one calls sendfile()
345a014436d4 *) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
19 * with both a header and a trailer, then sendfile() ignores a file part
345a014436d4 *) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
20 * at all and sends only the header and the trailer together.
345a014436d4 *) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
21 * For this reason we send a trailer only if there is no a header.
253
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 218
diff changeset
22 *
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Igor Sysoev <igor@sysoev.ru>
parents: 1354
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23 * Although sendfile() allows to pass a header or a trailer,
345a014436d4 *) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
24 * it may send the header or the trailer and a part of the file
345a014436d4 *) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
25 * in different packets. And FreeBSD workaround (TCP_NOPUSH option)
345a014436d4 *) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
26 * does not help.
142
cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
27 */
63
36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
28
36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
29
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
30 ngx_chain_t *
2128
345a014436d4 *) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
31 ngx_darwin_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
32 {
195
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 194
diff changeset
33 int rc;
5915
ac3f78219f85 Moved the code for coalescing file buffers to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents: 5913
diff changeset
34 off_t send, prev_send, sent;
5913
8e903522c17a Introduced the ngx_output_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents: 5912
diff changeset
35 off_t file_size;
5917
2c64b69daec5 Moved writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents: 5916
diff changeset
36 ssize_t n;
5851
150df089fe47 Removed the "complete" variable from various send chain functions.
Valentin Bartenev <vbart@nginx.com>
parents: 5850
diff changeset
37 ngx_uint_t eintr;
63
36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
38 ngx_err_t err;
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
39 ngx_buf_t *file;
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 163
diff changeset
40 ngx_event_t *wev;
362
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
41 ngx_chain_t *cl;
5913
8e903522c17a Introduced the ngx_output_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents: 5912
diff changeset
42 ngx_iovec_t header, trailer;
428
5e73d0ea4dab nginx-0.0.11-2004-09-16-20:10:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 402
diff changeset
43 struct sf_hdtr hdtr;
5854
b63e829621ab Generalized definitions of the number of preallocated iovec's.
Valentin Bartenev <vbart@nginx.com>
parents: 5851
diff changeset
44 struct iovec headers[NGX_IOVS_PREALLOCATE];
b63e829621ab Generalized definitions of the number of preallocated iovec's.
Valentin Bartenev <vbart@nginx.com>
parents: 5851
diff changeset
45 struct iovec trailers[NGX_IOVS_PREALLOCATE];
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
46
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 163
diff changeset
47 wev = c->write;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 163
diff changeset
48
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 163
diff changeset
49 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
50 return in;
ef8c87afcfc5 nginx-0.0.1-2003-10-12-20:49:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 143
diff changeset
51 }
ef8c87afcfc5 nginx-0.0.1-2003-10-12-20:49:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 143
diff changeset
52
469
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 461
diff changeset
53 #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
54
587
284cc140593b nginx-0.3.15-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 581
diff changeset
55 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
56 (void) ngx_connection_error(c, wev->kq_errno,
c9ad0d9c7d59 nginx-0.1.43-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
57 "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
58 wev->error = 1;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 163
diff changeset
59 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
60 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 163
diff changeset
61
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 163
diff changeset
62 #endif
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 163
diff changeset
63
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
64 /* 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
65
1354
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 1182
diff changeset
66 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
67 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
68 }
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
69
362
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
70 send = 0;
361
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
diff changeset
71
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8e903522c17a Introduced the ngx_output_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents: 5912
diff changeset
72 header.iovs = headers;
5854
b63e829621ab Generalized definitions of the number of preallocated iovec's.
Valentin Bartenev <vbart@nginx.com>
parents: 5851
diff changeset
73 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
74
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Valentin Bartenev <vbart@nginx.com>
parents: 5912
diff changeset
75 trailer.iovs = trailers;
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Valentin Bartenev <vbart@nginx.com>
parents: 5851
diff changeset
76 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
77
362
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
78 for ( ;; ) {
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
79 eintr = 0;
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
80 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
81
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
82 /* 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
83
5913
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Valentin Bartenev <vbart@nginx.com>
parents: 5912
diff changeset
84 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
85
5913
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Valentin Bartenev <vbart@nginx.com>
parents: 5912
diff changeset
86 if (cl == NGX_CHAIN_ERROR) {
8e903522c17a Introduced the ngx_output_chain_to_iovec() function.
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parents: 5912
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87 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
88 }
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
89
5913
8e903522c17a Introduced the ngx_output_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents: 5912
diff changeset
90 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
91
362
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
92 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
93 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
94
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
95 /* 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
96
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Valentin Bartenev <vbart@nginx.com>
parents: 5913
diff changeset
97 file_size = 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
98
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parents: 5913
diff changeset
99 send += file_size;
63
36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
100
6874
7cc2d3a96ea3 Fixed trailer construction with limit on FreeBSD and macOS.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5961
diff changeset
101 if (header.count == 0 && send < limit) {
455
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
102
5916
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Valentin Bartenev <vbart@nginx.com>
parents: 5915
diff changeset
103 /*
e044893b4587 Merged conditions in the ngx_*_sendfile_chain() functions.
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parents: 5915
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104 * create the trailer iovec and coalesce the neighbouring bufs
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parents: 5915
diff changeset
105 */
361
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
diff changeset
106
5919
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
107 cl = ngx_output_chain_to_iovec(&trailer, cl, limit - send,
Valentin Bartenev <vbart@nginx.com>
parents: 5917
diff changeset
108 c->log);
5916
e044893b4587 Merged conditions in the ngx_*_sendfile_chain() functions.
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parents: 5915
diff changeset
109 if (cl == NGX_CHAIN_ERROR) {
e044893b4587 Merged conditions in the ngx_*_sendfile_chain() functions.
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parents: 5915
diff changeset
110 return NGX_CHAIN_ERROR;
e044893b4587 Merged conditions in the ngx_*_sendfile_chain() functions.
Valentin Bartenev <vbart@nginx.com>
parents: 5915
diff changeset
111 }
67
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 63
diff changeset
112
5916
e044893b4587 Merged conditions in the ngx_*_sendfile_chain() functions.
Valentin Bartenev <vbart@nginx.com>
parents: 5915
diff changeset
113 send += trailer.size;
5961
7554c83287dc Fixed sendfile() trailers on OS X (8e903522c17a, 1.7.8).
Maxim Dounin <mdounin@mdounin.ru>
parents: 5919
diff changeset
114
7554c83287dc Fixed sendfile() trailers on OS X (8e903522c17a, 1.7.8).
Maxim Dounin <mdounin@mdounin.ru>
parents: 5919
diff changeset
115 } else {
7554c83287dc Fixed sendfile() trailers on OS X (8e903522c17a, 1.7.8).
Maxim Dounin <mdounin@mdounin.ru>
parents: 5919
diff changeset
116 trailer.count = 0;
5916
e044893b4587 Merged conditions in the ngx_*_sendfile_chain() functions.
Valentin Bartenev <vbart@nginx.com>
parents: 5915
diff changeset
117 }
63
36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
118
2128
345a014436d4 *) move Darwin support to separate files
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diff changeset
119 /*
345a014436d4 *) move Darwin support to separate files
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parents: 1354
diff changeset
120 * sendfile() returns EINVAL if sf_hdtr's count is 0,
345a014436d4 *) move Darwin support to separate files
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parents: 1354
diff changeset
121 * but corresponding pointer is not NULL
345a014436d4 *) move Darwin support to separate files
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parents: 1354
diff changeset
122 */
253
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 218
diff changeset
123
5913
8e903522c17a Introduced the ngx_output_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents: 5912
diff changeset
124 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
125 hdtr.hdr_cnt = header.count;
8e903522c17a Introduced the ngx_output_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents: 5912
diff changeset
126 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
127 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
128
5913
8e903522c17a Introduced the ngx_output_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents: 5912
diff changeset
129 sent = header.size + file_size;
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
130
2128
345a014436d4 *) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
131 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
5913
8e903522c17a Introduced the ngx_output_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents: 5912
diff changeset
132 "sendfile: @%O %O h:%uz",
8e903522c17a Introduced the ngx_output_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents: 5912
diff changeset
133 file->file_pos, sent, header.size);
203
c9da5900c79e nginx-0.0.1-2003-12-02-08:47:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 201
diff changeset
134
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
135 rc = sendfile(file->file->fd, c->fd, file->file_pos,
2128
345a014436d4 *) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
136 &sent, &hdtr, 0);
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
137
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
138 if (rc == -1) {
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
139 err = ngx_errno;
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
140
3063
6f6d7ea70805 refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents: 2128
diff changeset
141 switch (err) {
6f6d7ea70805 refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents: 2128
diff changeset
142 case NGX_EAGAIN:
6f6d7ea70805 refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents: 2128
diff changeset
143 break;
216
f1d0e5f09c1e nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 214
diff changeset
144
3063
6f6d7ea70805 refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents: 2128
diff changeset
145 case NGX_EINTR:
6f6d7ea70805 refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents: 2128
diff changeset
146 eintr = 1;
6f6d7ea70805 refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents: 2128
diff changeset
147 break;
152
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
148
3063
6f6d7ea70805 refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents: 2128
diff changeset
149 default:
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 163
diff changeset
150 wev->error = 1;
537
c9ad0d9c7d59 nginx-0.1.43-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
151 (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
152 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
153 }
3063
6f6d7ea70805 refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents: 2128
diff changeset
154
6f6d7ea70805 refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents: 2128
diff changeset
155 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, err,
6f6d7ea70805 refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents: 2128
diff changeset
156 "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
157 }
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
158
2128
345a014436d4 *) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
159 if (rc == 0 && sent == 0) {
455
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
160
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
161 /*
2128
345a014436d4 *) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
162 * if rc and sent equal to zero, then someone
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 479
diff changeset
163 * 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
164 * the end of the file
455
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
165 */
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
166
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
167 ngx_log_error(NGX_LOG_ALERT, c->log, 0,
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
168 "sendfile() reported that \"%s\" was truncated",
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
169 file->file->name.data);
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
170
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
171 return NGX_CHAIN_ERROR;
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
172 }
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
173
214
e0c502f15852 nginx-0.0.1-2003-12-22-12:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 203
diff changeset
174 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0,
2128
345a014436d4 *) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
175 "sendfile: %d, @%O %O:%O",
5913
8e903522c17a Introduced the ngx_output_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents: 5912
diff changeset
176 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
177
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
178 } else {
5917
2c64b69daec5 Moved writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents: 5916
diff changeset
179 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
180
5917
2c64b69daec5 Moved writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents: 5916
diff changeset
181 if (n == NGX_ERROR) {
2c64b69daec5 Moved writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents: 5916
diff changeset
182 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
183 }
89
29bf798b583f nginx-0.0.1-2003-05-15-19:42:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 88
diff changeset
184
5917
2c64b69daec5 Moved writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents: 5916
diff changeset
185 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
186 }
63
36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
187
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
188 c->sent += sent;
63
36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
189
5912
de68ed551bfb Renamed ngx_handle_sent_chain() to ngx_chain_update_sent().
Valentin Bartenev <vbart@nginx.com>
parents: 5868
diff changeset
190 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
191
362
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
192 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
193 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
194 continue;
152
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
195 }
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
196
5851
150df089fe47 Removed the "complete" variable from various send chain functions.
Valentin Bartenev <vbart@nginx.com>
parents: 5850
diff changeset
197 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
198 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
199 return in;
362
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
200 }
152
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
201
5320
ad137a80919f Don't lose pointer to first nonempty buf in ngx_*_sendfile_chain().
Gleb Smirnoff <glebius@nginx.com>
parents: 4596
diff changeset
202 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
203 return in;
362
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
204 }
142
cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
205 }
63
36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
206 }