annotate src/os/unix/ngx_darwin_sendfile_chain.c @ 4500:9dfe02dd0f11

Added msleep() on reload to allow new processes to start. This is expected to ensure smoother operation on reload (and with less chance of listen queue overflows). Prodded by Igor Sysoev.
author Maxim Dounin <mdounin@mdounin.ru>
date Tue, 28 Feb 2012 11:40:18 +0000
parents 778ef9c3fd2d
children 089cc5154c1e
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:
345a014436d4 *) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
16 * http://www.freebsd.org/cgi/query-pr.cgi?pr=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 *
2128
345a014436d4 *) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
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
597
9262f520ce21 nginx-0.3.20-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 587
diff changeset
30 #if (IOV_MAX > 64)
9262f520ce21 nginx-0.3.20-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 587
diff changeset
31 #define NGX_HEADERS 64
9262f520ce21 nginx-0.3.20-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 587
diff changeset
32 #define NGX_TRAILERS 64
9262f520ce21 nginx-0.3.20-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 587
diff changeset
33 #else
9262f520ce21 nginx-0.3.20-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 587
diff changeset
34 #define NGX_HEADERS IOV_MAX
9262f520ce21 nginx-0.3.20-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 587
diff changeset
35 #define NGX_TRAILERS IOV_MAX
9262f520ce21 nginx-0.3.20-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 587
diff changeset
36 #endif
428
5e73d0ea4dab nginx-0.0.11-2004-09-16-20:10:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 402
diff changeset
37
5e73d0ea4dab nginx-0.0.11-2004-09-16-20:10:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 402
diff changeset
38
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
39 ngx_chain_t *
2128
345a014436d4 *) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
40 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
41 {
195
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 194
diff changeset
42 int rc;
290
87e73f067470 nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 272
diff changeset
43 u_char *prev;
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
44 off_t size, send, prev_send, aligned, sent, fprev;
2128
345a014436d4 *) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
45 off_t header_size, file_size;
3063
6f6d7ea70805 refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents: 2128
diff changeset
46 ngx_uint_t eintr, complete;
63
36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
47 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
48 ngx_buf_t *file;
63
36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
49 ngx_array_t header, trailer;
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 163
diff changeset
50 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
51 ngx_chain_t *cl;
428
5e73d0ea4dab nginx-0.0.11-2004-09-16-20:10:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 402
diff changeset
52 struct sf_hdtr hdtr;
5e73d0ea4dab nginx-0.0.11-2004-09-16-20:10:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 402
diff changeset
53 struct iovec *iov, headers[NGX_HEADERS], trailers[NGX_TRAILERS];
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
54
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 163
diff changeset
55 wev = c->write;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 163
diff changeset
56
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 163
diff changeset
57 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
58 return in;
ef8c87afcfc5 nginx-0.0.1-2003-10-12-20:49:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 143
diff changeset
59 }
ef8c87afcfc5 nginx-0.0.1-2003-10-12-20:49:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 143
diff changeset
60
469
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 461
diff changeset
61 #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
62
587
284cc140593b nginx-0.3.15-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 581
diff changeset
63 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
64 (void) ngx_connection_error(c, wev->kq_errno,
c9ad0d9c7d59 nginx-0.1.43-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
65 "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
66 wev->error = 1;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 163
diff changeset
67 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
68 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 163
diff changeset
69
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 163
diff changeset
70 #endif
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 163
diff changeset
71
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
72 /* 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
73
1354
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 1182
diff changeset
74 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
75 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
76 }
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
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 send = 0;
361
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
diff changeset
79
428
5e73d0ea4dab nginx-0.0.11-2004-09-16-20:10:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 402
diff changeset
80 header.elts = headers;
5e73d0ea4dab nginx-0.0.11-2004-09-16-20:10:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 402
diff changeset
81 header.size = sizeof(struct iovec);
5e73d0ea4dab nginx-0.0.11-2004-09-16-20:10:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 402
diff changeset
82 header.nalloc = NGX_HEADERS;
5e73d0ea4dab nginx-0.0.11-2004-09-16-20:10:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 402
diff changeset
83 header.pool = c->pool;
5e73d0ea4dab nginx-0.0.11-2004-09-16-20:10:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 402
diff changeset
84
5e73d0ea4dab nginx-0.0.11-2004-09-16-20:10:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 402
diff changeset
85 trailer.elts = trailers;
5e73d0ea4dab nginx-0.0.11-2004-09-16-20:10:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 402
diff changeset
86 trailer.size = sizeof(struct iovec);
5e73d0ea4dab nginx-0.0.11-2004-09-16-20:10:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 402
diff changeset
87 trailer.nalloc = NGX_TRAILERS;
5e73d0ea4dab nginx-0.0.11-2004-09-16-20:10:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 402
diff changeset
88 trailer.pool = c->pool;
5e73d0ea4dab nginx-0.0.11-2004-09-16-20:10:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 402
diff changeset
89
362
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
90 for ( ;; ) {
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
91 file = NULL;
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
92 file_size = 0;
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
93 header_size = 0;
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
94 eintr = 0;
362
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
95 complete = 0;
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
428
5e73d0ea4dab nginx-0.0.11-2004-09-16-20:10:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 402
diff changeset
98 header.nelts = 0;
5e73d0ea4dab nginx-0.0.11-2004-09-16-20:10:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 402
diff changeset
99 trailer.nelts = 0;
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
100
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
101 /* 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
102
5526213be452 nginx-0.0.1-2003-10-10-19:10:50 import
Igor Sysoev <igor@sysoev.ru>
parents: 142
diff changeset
103 prev = NULL;
5526213be452 nginx-0.0.1-2003-10-10-19:10:50 import
Igor Sysoev <igor@sysoev.ru>
parents: 142
diff changeset
104 iov = NULL;
142
cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
105
362
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
106 for (cl = in;
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
107 cl && header.nelts < IOV_MAX && send < limit;
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
108 cl = cl->next)
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
109 {
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
110 if (ngx_buf_special(cl->buf)) {
143
5526213be452 nginx-0.0.1-2003-10-10-19:10:50 import
Igor Sysoev <igor@sysoev.ru>
parents: 142
diff changeset
111 continue;
5526213be452 nginx-0.0.1-2003-10-10-19:10:50 import
Igor Sysoev <igor@sysoev.ru>
parents: 142
diff changeset
112 }
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
113
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
114 if (!ngx_buf_in_memory_only(cl->buf)) {
143
5526213be452 nginx-0.0.1-2003-10-10-19:10:50 import
Igor Sysoev <igor@sysoev.ru>
parents: 142
diff changeset
115 break;
5526213be452 nginx-0.0.1-2003-10-10-19:10:50 import
Igor Sysoev <igor@sysoev.ru>
parents: 142
diff changeset
116 }
142
cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
117
361
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
diff changeset
118 size = cl->buf->last - cl->buf->pos;
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
diff changeset
119
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
diff changeset
120 if (send + size > limit) {
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
diff changeset
121 size = limit - send;
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
diff changeset
122 }
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
diff changeset
123
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
124 if (prev == cl->buf->pos) {
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
125 iov->iov_len += (size_t) size;
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
126
143
5526213be452 nginx-0.0.1-2003-10-10-19:10:50 import
Igor Sysoev <igor@sysoev.ru>
parents: 142
diff changeset
127 } else {
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
128 iov = ngx_array_push(&header);
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
129 if (iov == NULL) {
428
5e73d0ea4dab nginx-0.0.11-2004-09-16-20:10:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 402
diff changeset
130 return NGX_CHAIN_ERROR;
5e73d0ea4dab nginx-0.0.11-2004-09-16-20:10:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 402
diff changeset
131 }
5e73d0ea4dab nginx-0.0.11-2004-09-16-20:10:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 402
diff changeset
132
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
133 iov->iov_base = (void *) cl->buf->pos;
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
134 iov->iov_len = (size_t) size;
143
5526213be452 nginx-0.0.1-2003-10-10-19:10:50 import
Igor Sysoev <igor@sysoev.ru>
parents: 142
diff changeset
135 }
63
36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
136
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
137 prev = cl->buf->pos + (size_t) size;
2128
345a014436d4 *) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
138 header_size += size;
361
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
diff changeset
139 send += size;
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
140 }
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
141
142
cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
142
362
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
143 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
144 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
145
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
146 /* 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
147
361
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
diff changeset
148 do {
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
149 size = cl->buf->file_last - cl->buf->file_pos;
361
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
diff changeset
150
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
diff changeset
151 if (send + size > limit) {
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
diff changeset
152 size = limit - send;
362
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
153
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
154 aligned = (cl->buf->file_pos + size + ngx_pagesize - 1)
1182
df449f4a8032 fix sendfile on 64-bit Linux and limit_rate on all 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 597
diff changeset
155 & ~((off_t) ngx_pagesize - 1);
362
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
156
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
157 if (aligned <= cl->buf->file_last) {
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
158 size = aligned - cl->buf->file_pos;
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
159 }
152
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
160 }
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
161
2128
345a014436d4 *) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
162 file_size += size;
361
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
diff changeset
163 send += size;
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
diff changeset
164 fprev = cl->buf->file_pos + size;
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
165 cl = cl->next;
361
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
diff changeset
166
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
diff changeset
167 } while (cl
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
diff changeset
168 && cl->buf->in_file
362
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
169 && send < limit
361
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
diff changeset
170 && file->file->fd == cl->buf->file->fd
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
diff changeset
171 && fprev == cl->buf->file_pos);
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
172 }
63
36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
173
2128
345a014436d4 *) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
174 if (file && header.nelts == 0) {
455
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
175
4499
778ef9c3fd2d Fixed spelling in single-line comments.
Ruslan Ermilov <ru@nginx.com>
parents: 4412
diff changeset
176 /* create the trailer iovec and coalesce the neighbouring bufs */
142
cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
177
264
cd009bf7400d nginx-0.0.2-2004-02-19-19:48:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 262
diff changeset
178 prev = NULL;
cd009bf7400d nginx-0.0.2-2004-02-19-19:48:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 262
diff changeset
179 iov = NULL;
cd009bf7400d nginx-0.0.2-2004-02-19-19:48:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 262
diff changeset
180
455
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
181 while (cl && header.nelts < IOV_MAX && send < limit) {
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
182
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
183 if (ngx_buf_special(cl->buf)) {
455
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
184 cl = cl->next;
264
cd009bf7400d nginx-0.0.2-2004-02-19-19:48:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 262
diff changeset
185 continue;
cd009bf7400d nginx-0.0.2-2004-02-19-19:48:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 262
diff changeset
186 }
142
cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
187
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
188 if (!ngx_buf_in_memory_only(cl->buf)) {
264
cd009bf7400d nginx-0.0.2-2004-02-19-19:48:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 262
diff changeset
189 break;
cd009bf7400d nginx-0.0.2-2004-02-19-19:48:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 262
diff changeset
190 }
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
191
361
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
diff changeset
192 size = cl->buf->last - cl->buf->pos;
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
diff changeset
193
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
diff changeset
194 if (send + size > limit) {
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
diff changeset
195 size = limit - send;
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
diff changeset
196 }
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
diff changeset
197
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
198 if (prev == cl->buf->pos) {
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
199 iov->iov_len += (size_t) size;
63
36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
200
264
cd009bf7400d nginx-0.0.2-2004-02-19-19:48:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 262
diff changeset
201 } else {
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
202 iov = ngx_array_push(&trailer);
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
203 if (iov == NULL) {
428
5e73d0ea4dab nginx-0.0.11-2004-09-16-20:10:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 402
diff changeset
204 return NGX_CHAIN_ERROR;
5e73d0ea4dab nginx-0.0.11-2004-09-16-20:10:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 402
diff changeset
205 }
5e73d0ea4dab nginx-0.0.11-2004-09-16-20:10:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 402
diff changeset
206
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
207 iov->iov_base = (void *) cl->buf->pos;
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
208 iov->iov_len = (size_t) size;
264
cd009bf7400d nginx-0.0.2-2004-02-19-19:48:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 262
diff changeset
209 }
cd009bf7400d nginx-0.0.2-2004-02-19-19:48:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 262
diff changeset
210
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
211 prev = cl->buf->pos + (size_t) size;
361
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
diff changeset
212 send += size;
455
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
213 cl = cl->next;
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
214 }
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
215 }
67
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 63
diff changeset
216
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
217 if (file) {
63
36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
218
2128
345a014436d4 *) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
219 /*
345a014436d4 *) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
220 * sendfile() returns EINVAL if sf_hdtr's count is 0,
345a014436d4 *) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
221 * but corresponding pointer is not NULL
345a014436d4 *) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
222 */
253
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 218
diff changeset
223
2128
345a014436d4 *) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
224 hdtr.headers = header.nelts ? (struct iovec *) header.elts: NULL;
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
225 hdtr.hdr_cnt = header.nelts;
2128
345a014436d4 *) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
226 hdtr.trailers = trailer.nelts ? (struct iovec *) trailer.elts: NULL;
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
227 hdtr.trl_cnt = trailer.nelts;
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
228
2128
345a014436d4 *) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
229 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
230
2128
345a014436d4 *) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
231 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
345a014436d4 *) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
232 "sendfile: @%O %O h:%O",
345a014436d4 *) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
233 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
234
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
235 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
236 &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
237
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
238 if (rc == -1) {
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
239 err = ngx_errno;
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
240
3063
6f6d7ea70805 refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents: 2128
diff changeset
241 switch (err) {
6f6d7ea70805 refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents: 2128
diff changeset
242 case NGX_EAGAIN:
6f6d7ea70805 refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents: 2128
diff changeset
243 break;
216
f1d0e5f09c1e nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 214
diff changeset
244
3063
6f6d7ea70805 refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents: 2128
diff changeset
245 case NGX_EINTR:
6f6d7ea70805 refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents: 2128
diff changeset
246 eintr = 1;
6f6d7ea70805 refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents: 2128
diff changeset
247 break;
152
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
248
3063
6f6d7ea70805 refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents: 2128
diff changeset
249 default:
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 163
diff changeset
250 wev->error = 1;
537
c9ad0d9c7d59 nginx-0.1.43-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
251 (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
252 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
253 }
3063
6f6d7ea70805 refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents: 2128
diff changeset
254
6f6d7ea70805 refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents: 2128
diff changeset
255 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, err,
6f6d7ea70805 refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents: 2128
diff changeset
256 "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
257 }
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
258
2128
345a014436d4 *) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
259 if (rc == 0 && sent == 0) {
455
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
260
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
261 /*
2128
345a014436d4 *) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
262 * 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
263 * 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
264 * the end of the file
455
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
265 */
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
266
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
267 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
268 "sendfile() reported that \"%s\" was truncated",
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
269 file->file->name.data);
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
270
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
271 return NGX_CHAIN_ERROR;
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
272 }
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
273
214
e0c502f15852 nginx-0.0.1-2003-12-22-12:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 203
diff changeset
274 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
275 "sendfile: %d, @%O %O:%O",
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
276 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
277
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
278 } else {
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 163
diff changeset
279 rc = writev(c->fd, header.elts, header.nelts);
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
280
297
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 290
diff changeset
281 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
2128
345a014436d4 *) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
282 "writev: %d of %uz", rc, send);
297
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 290
diff changeset
283
143
5526213be452 nginx-0.0.1-2003-10-10-19:10:50 import
Igor Sysoev <igor@sysoev.ru>
parents: 142
diff changeset
284 if (rc == -1) {
5526213be452 nginx-0.0.1-2003-10-10-19:10:50 import
Igor Sysoev <igor@sysoev.ru>
parents: 142
diff changeset
285 err = ngx_errno;
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
286
3063
6f6d7ea70805 refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents: 2128
diff changeset
287 switch (err) {
6f6d7ea70805 refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents: 2128
diff changeset
288 case NGX_EAGAIN:
6f6d7ea70805 refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents: 2128
diff changeset
289 break;
216
f1d0e5f09c1e nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 214
diff changeset
290
3063
6f6d7ea70805 refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents: 2128
diff changeset
291 case NGX_EINTR:
6f6d7ea70805 refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents: 2128
diff changeset
292 eintr = 1;
6f6d7ea70805 refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents: 2128
diff changeset
293 break;
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
294
3063
6f6d7ea70805 refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents: 2128
diff changeset
295 default:
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 163
diff changeset
296 wev->error = 1;
253
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 218
diff changeset
297 ngx_connection_error(c, err, "writev() failed");
143
5526213be452 nginx-0.0.1-2003-10-10-19:10:50 import
Igor Sysoev <igor@sysoev.ru>
parents: 142
diff changeset
298 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
299 }
3063
6f6d7ea70805 refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents: 2128
diff changeset
300
6f6d7ea70805 refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents: 2128
diff changeset
301 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err,
6f6d7ea70805 refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents: 2128
diff changeset
302 "writev() not ready");
143
5526213be452 nginx-0.0.1-2003-10-10-19:10:50 import
Igor Sysoev <igor@sysoev.ru>
parents: 142
diff changeset
303 }
89
29bf798b583f nginx-0.0.1-2003-05-15-19:42:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 88
diff changeset
304
143
5526213be452 nginx-0.0.1-2003-10-10-19:10:50 import
Igor Sysoev <igor@sysoev.ru>
parents: 142
diff changeset
305 sent = rc > 0 ? rc : 0;
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
306 }
63
36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
307
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
308 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
309 complete = 1;
361
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
diff changeset
310 }
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
diff changeset
311
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
312 c->sent += sent;
63
36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
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 for (cl = in; cl; cl = cl->next) {
152
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
315
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
316 if (ngx_buf_special(cl->buf)) {
152
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
317 continue;
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
318 }
63
36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
319
152
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
320 if (sent == 0) {
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
321 break;
63
36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
322 }
36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
323
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
324 size = ngx_buf_size(cl->buf);
152
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
325
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
326 if (sent >= size) {
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
327 sent -= size;
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
328
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
329 if (ngx_buf_in_memory(cl->buf)) {
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
330 cl->buf->pos = cl->buf->last;
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
331 }
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
332
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
333 if (cl->buf->in_file) {
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
334 cl->buf->file_pos = cl->buf->file_last;
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
335 }
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
336
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
337 continue;
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
338 }
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
339
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
340 if (ngx_buf_in_memory(cl->buf)) {
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
341 cl->buf->pos += (size_t) sent;
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
342 }
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
343
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
344 if (cl->buf->in_file) {
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
345 cl->buf->file_pos += sent;
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
346 }
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
347
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
348 break;
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
349 }
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
350
362
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
351 if (eintr) {
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
352 continue;
152
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
353 }
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
354
362
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
355 if (!complete) {
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
356 wev->ready = 0;
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
357 return cl;
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
358 }
152
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
359
362
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
360 if (send >= limit || cl == NULL) {
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
361 return cl;
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
362 }
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
363
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
364 in = cl;
142
cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
365 }
63
36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
366 }