Mercurial > hg > nginx-quic
annotate src/os/unix/ngx_solaris_sendfilev_chain.c @ 6230:2a621245f4cf
Win32: MSVC 2015 compatibility.
Resolved warnings about declarations that hide previous local declarations.
Warnings about WSASocketA() being deprecated resolved by explicit use of
WSASocketW() instead of WSASocket(). When compiling without IPv6 support,
WinSock deprecated warnings are disabled to allow use of gethostbyname().
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Mon, 17 Aug 2015 18:09:17 +0300 |
parents | 4dd67e5d958e |
children | 646985c55393 |
rev | line source |
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272
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1 |
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2 /* |
444
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
272
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5 */ |
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6 |
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7 |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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10 #include <ngx_event.h> |
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11 |
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12 |
473 | 13 #if (NGX_TEST_BUILD_SOLARIS_SENDFILEV) |
14 | |
15 /* Solaris declarations */ | |
16 | |
17 typedef struct sendfilevec { | |
18 int sfv_fd; | |
19 u_int sfv_flag; | |
20 off_t sfv_off; | |
21 size_t sfv_len; | |
22 } sendfilevec_t; | |
23 | |
24 #define SFV_FD_SELF -2 | |
25 | |
26 static ssize_t sendfilev(int fd, const struct sendfilevec *vec, | |
585 | 27 int sfvcnt, size_t *xferred) |
473 | 28 { |
29 return -1; | |
30 } | |
31 | |
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32 ngx_chain_t *ngx_solaris_sendfilev_chain(ngx_connection_t *c, ngx_chain_t *in, |
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33 off_t limit); |
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34 |
473 | 35 #endif |
36 | |
37 | |
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38 #define NGX_SENDFILEVECS NGX_IOVS_PREALLOCATE |
428
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39 |
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40 |
585 | 41 ngx_chain_t * |
42 ngx_solaris_sendfilev_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit) | |
197
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43 { |
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44 int fd; |
290
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45 u_char *prev; |
473 | 46 off_t size, send, prev_send, aligned, fprev; |
47 size_t sent; | |
48 ssize_t n; | |
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49 ngx_int_t eintr; |
198
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50 ngx_err_t err; |
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51 ngx_uint_t nsfv; |
428
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52 sendfilevec_t *sfv, sfvs[NGX_SENDFILEVECS]; |
197
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53 ngx_event_t *wev; |
501 | 54 ngx_chain_t *cl; |
197
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55 |
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56 wev = c->write; |
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57 |
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58 if (!wev->ready) { |
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59 return in; |
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60 } |
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61 |
452 | 62 if (!c->sendfile) { |
63 return ngx_writev_chain(c, in, limit); | |
64 } | |
65 | |
473 | 66 |
67 /* the maximum limit size is the maximum size_t value - the page size */ | |
68 | |
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69 if (limit == 0 || limit > (off_t) (NGX_MAX_SIZE_T_VALUE - ngx_pagesize)) { |
477 | 70 limit = NGX_MAX_SIZE_T_VALUE - ngx_pagesize; |
473 | 71 } |
72 | |
73 | |
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74 send = 0; |
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75 |
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76 for ( ;; ) { |
197
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77 fd = SFV_FD_SELF; |
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78 prev = NULL; |
198
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79 fprev = 0; |
197
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80 sfv = NULL; |
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81 eintr = 0; |
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82 sent = 0; |
473 | 83 prev_send = send; |
197
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84 |
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85 nsfv = 0; |
198
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86 |
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87 /* create the sendfilevec and coalesce the neighbouring bufs */ |
197
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88 |
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89 for (cl = in; cl && send < limit; cl = cl->next) { |
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90 |
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91 if (ngx_buf_special(cl->buf)) { |
197
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92 continue; |
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93 } |
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94 |
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95 if (ngx_buf_in_memory_only(cl->buf)) { |
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96 fd = SFV_FD_SELF; |
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97 |
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98 size = cl->buf->last - cl->buf->pos; |
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99 |
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100 if (send + size > limit) { |
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101 size = limit - send; |
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102 } |
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103 |
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104 if (prev == cl->buf->pos) { |
473 | 105 sfv->sfv_len += (size_t) size; |
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106 |
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107 } else { |
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108 if (nsfv == NGX_SENDFILEVECS) { |
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109 break; |
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110 } |
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111 |
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112 sfv = &sfvs[nsfv++]; |
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113 |
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114 sfv->sfv_fd = SFV_FD_SELF; |
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115 sfv->sfv_flag = 0; |
344
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116 sfv->sfv_off = (off_t) (uintptr_t) cl->buf->pos; |
473 | 117 sfv->sfv_len = (size_t) size; |
197
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118 } |
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119 |
473 | 120 prev = cl->buf->pos + (size_t) size; |
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121 send += size; |
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122 |
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123 } else { |
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124 prev = NULL; |
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125 |
473 | 126 size = cl->buf->file_last - cl->buf->file_pos; |
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127 |
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128 if (send + size > limit) { |
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129 size = limit - send; |
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130 |
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131 aligned = (cl->buf->file_pos + size + ngx_pagesize - 1) |
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132 & ~((off_t) ngx_pagesize - 1); |
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133 |
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134 if (aligned <= cl->buf->file_last) { |
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135 size = aligned - cl->buf->file_pos; |
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136 } |
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137 } |
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138 |
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139 if (fd == cl->buf->file->fd && fprev == cl->buf->file_pos) { |
473 | 140 sfv->sfv_len += (size_t) size; |
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141 |
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142 } else { |
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4dd67e5d958e
Refactored ngx_solaris_sendfilev_chain().
Valentin Bartenev <vbart@nginx.com>
parents:
5912
diff
changeset
|
143 if (nsfv == NGX_SENDFILEVECS) { |
4596
089cc5154c1e
IOV_MAX handling microoptimization.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4595
diff
changeset
|
144 break; |
089cc5154c1e
IOV_MAX handling microoptimization.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4595
diff
changeset
|
145 } |
089cc5154c1e
IOV_MAX handling microoptimization.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4595
diff
changeset
|
146 |
5914
4dd67e5d958e
Refactored ngx_solaris_sendfilev_chain().
Valentin Bartenev <vbart@nginx.com>
parents:
5912
diff
changeset
|
147 sfv = &sfvs[nsfv++]; |
428
5e73d0ea4dab
nginx-0.0.11-2004-09-16-20:10:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
148 |
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
343
diff
changeset
|
149 fd = cl->buf->file->fd; |
197
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
150 sfv->sfv_fd = fd; |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
151 sfv->sfv_flag = 0; |
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
343
diff
changeset
|
152 sfv->sfv_off = cl->buf->file_pos; |
473 | 153 sfv->sfv_len = (size_t) size; |
197
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
154 } |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
155 |
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
156 fprev = cl->buf->file_pos + size; |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
157 send += size; |
197
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
158 } |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
159 } |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
160 |
5914
4dd67e5d958e
Refactored ngx_solaris_sendfilev_chain().
Valentin Bartenev <vbart@nginx.com>
parents:
5912
diff
changeset
|
161 n = sendfilev(c->fd, sfvs, nsfv, &sent); |
197
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
162 |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
163 if (n == -1) { |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
164 err = ngx_errno; |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
165 |
3063
6f6d7ea70805
refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
166 switch (err) { |
6f6d7ea70805
refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
167 case NGX_EAGAIN: |
6f6d7ea70805
refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
168 break; |
197
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
169 |
3063
6f6d7ea70805
refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
170 case NGX_EINTR: |
6f6d7ea70805
refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
171 eintr = 1; |
6f6d7ea70805
refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
172 break; |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
198
diff
changeset
|
173 |
3063
6f6d7ea70805
refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
174 default: |
197
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
175 wev->error = 1; |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
198
diff
changeset
|
176 ngx_connection_error(c, err, "sendfilev() failed"); |
197
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
177 return NGX_CHAIN_ERROR; |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
178 } |
3063
6f6d7ea70805
refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
179 |
6f6d7ea70805
refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
180 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, err, |
6f6d7ea70805
refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
181 "sendfilev() sent only %uz bytes", sent); |
197
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
182 } |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
183 |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
198
diff
changeset
|
184 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
461 | 185 "sendfilev: %z %z", n, sent); |
197
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
186 |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
187 c->sent += sent; |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
188 |
5912
de68ed551bfb
Renamed ngx_handle_sent_chain() to ngx_chain_update_sent().
Valentin Bartenev <vbart@nginx.com>
parents:
5868
diff
changeset
|
189 in = ngx_chain_update_sent(in, sent); |
197
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
190 |
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
191 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
|
192 send = prev_send + sent; |
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
193 continue; |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
194 } |
197
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
195 |
5851
150df089fe47
Removed the "complete" variable from various send chain functions.
Valentin Bartenev <vbart@nginx.com>
parents:
5850
diff
changeset
|
196 if (send - prev_send != (off_t) sent) { |
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
197 wev->ready = 0; |
5320
ad137a80919f
Don't lose pointer to first nonempty buf in ngx_*_sendfile_chain().
Gleb Smirnoff <glebius@nginx.com>
parents:
4759
diff
changeset
|
198 return in; |
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
199 } |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
200 |
5320
ad137a80919f
Don't lose pointer to first nonempty buf in ngx_*_sendfile_chain().
Gleb Smirnoff <glebius@nginx.com>
parents:
4759
diff
changeset
|
201 if (send >= limit || in == NULL) { |
ad137a80919f
Don't lose pointer to first nonempty buf in ngx_*_sendfile_chain().
Gleb Smirnoff <glebius@nginx.com>
parents:
4759
diff
changeset
|
202 return in; |
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
203 } |
197
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
204 } |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
205 } |