Mercurial > hg > nginx
annotate src/os/unix/ngx_solaris_sendfilev_chain.c @ 5851:150df089fe47
Removed the "complete" variable from various send chain functions.
It was made redundant by the previous change, since the "sent" variable
is no longer modified.
author | Valentin Bartenev <vbart@nginx.com> |
---|---|
date | Wed, 13 Aug 2014 15:11:45 +0400 |
parents | f9c83484d9ce |
children | b63e829621ab |
rev | line source |
---|---|
272
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nginx-0.0.2-2004-03-01-00:03:02 import
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1 |
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2 /* |
444
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nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
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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 | |
4759
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Fixed compilation with -Wmissing-prototypes.
Ruslan Ermilov <ru@nginx.com>
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32 ngx_chain_t *ngx_solaris_sendfilev_chain(ngx_connection_t *c, ngx_chain_t *in, |
4c36e15651f7
Fixed compilation with -Wmissing-prototypes.
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33 off_t limit); |
4c36e15651f7
Fixed compilation with -Wmissing-prototypes.
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34 |
473 | 35 #endif |
36 | |
37 | |
597 | 38 #if (IOV_MAX > 64) |
39 #define NGX_SENDFILEVECS 64 | |
40 #else | |
41 #define NGX_SENDFILEVECS IOV_MAX | |
42 #endif | |
43 | |
428
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44 |
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45 |
585 | 46 ngx_chain_t * |
47 ngx_solaris_sendfilev_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit) | |
197
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48 { |
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49 int fd; |
290
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nginx-0.0.2-2004-03-16-10:10:12 import
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50 u_char *prev; |
473 | 51 off_t size, send, prev_send, aligned, fprev; |
52 size_t sent; | |
53 ssize_t n; | |
5851
150df089fe47
Removed the "complete" variable from various send chain functions.
Valentin Bartenev <vbart@nginx.com>
parents:
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54 ngx_int_t eintr; |
198
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55 ngx_err_t err; |
428
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56 sendfilevec_t *sfv, sfvs[NGX_SENDFILEVECS]; |
197
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57 ngx_array_t vec; |
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58 ngx_event_t *wev; |
501 | 59 ngx_chain_t *cl; |
197
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60 |
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61 wev = c->write; |
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62 |
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63 if (!wev->ready) { |
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64 return in; |
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65 } |
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66 |
452 | 67 if (!c->sendfile) { |
68 return ngx_writev_chain(c, in, limit); | |
69 } | |
70 | |
473 | 71 |
72 /* the maximum limit size is the maximum size_t value - the page size */ | |
73 | |
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74 if (limit == 0 || limit > (off_t) (NGX_MAX_SIZE_T_VALUE - ngx_pagesize)) { |
477 | 75 limit = NGX_MAX_SIZE_T_VALUE - ngx_pagesize; |
473 | 76 } |
77 | |
78 | |
362
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79 send = 0; |
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80 |
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81 vec.elts = sfvs; |
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82 vec.size = sizeof(sendfilevec_t); |
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83 vec.nalloc = NGX_SENDFILEVECS; |
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84 vec.pool = c->pool; |
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85 |
362
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86 for ( ;; ) { |
197
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87 fd = SFV_FD_SELF; |
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88 prev = NULL; |
198
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89 fprev = 0; |
197
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90 sfv = NULL; |
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91 eintr = 0; |
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92 sent = 0; |
473 | 93 prev_send = send; |
197
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94 |
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95 vec.nelts = 0; |
198
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96 |
343
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97 /* create the sendfilevec and coalesce the neighbouring bufs */ |
197
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98 |
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99 for (cl = in; cl && send < limit; cl = cl->next) { |
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100 |
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101 if (ngx_buf_special(cl->buf)) { |
197
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102 continue; |
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103 } |
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104 |
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105 if (ngx_buf_in_memory_only(cl->buf)) { |
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106 fd = SFV_FD_SELF; |
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107 |
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108 size = cl->buf->last - cl->buf->pos; |
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109 |
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110 if (send + size > limit) { |
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111 size = limit - send; |
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112 } |
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113 |
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114 if (prev == cl->buf->pos) { |
473 | 115 sfv->sfv_len += (size_t) size; |
197
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116 |
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117 } else { |
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118 if (vec.nelts >= IOV_MAX) { |
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119 break; |
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120 } |
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121 |
501 | 122 sfv = ngx_array_push(&vec); |
123 if (sfv == NULL) { | |
428
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124 return NGX_CHAIN_ERROR; |
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125 } |
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126 |
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127 sfv->sfv_fd = SFV_FD_SELF; |
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128 sfv->sfv_flag = 0; |
344
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129 sfv->sfv_off = (off_t) (uintptr_t) cl->buf->pos; |
473 | 130 sfv->sfv_len = (size_t) size; |
197
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131 } |
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132 |
473 | 133 prev = cl->buf->pos + (size_t) size; |
362
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134 send += size; |
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135 |
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136 } else { |
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137 prev = NULL; |
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138 |
473 | 139 size = cl->buf->file_last - cl->buf->file_pos; |
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140 |
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141 if (send + size > limit) { |
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142 size = limit - send; |
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143 |
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144 aligned = (cl->buf->file_pos + size + ngx_pagesize - 1) |
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145 & ~((off_t) ngx_pagesize - 1); |
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146 |
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147 if (aligned <= cl->buf->file_last) { |
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148 size = aligned - cl->buf->file_pos; |
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|
149 } |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
150 } |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
151 |
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
343
diff
changeset
|
152 if (fd == cl->buf->file->fd && fprev == 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 } else { |
4596
089cc5154c1e
IOV_MAX handling microoptimization.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4595
diff
changeset
|
156 if (vec.nelts >= IOV_MAX) { |
089cc5154c1e
IOV_MAX handling microoptimization.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4595
diff
changeset
|
157 break; |
089cc5154c1e
IOV_MAX handling microoptimization.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4595
diff
changeset
|
158 } |
089cc5154c1e
IOV_MAX handling microoptimization.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4595
diff
changeset
|
159 |
501 | 160 sfv = ngx_array_push(&vec); |
161 if (sfv == NULL) { | |
428
5e73d0ea4dab
nginx-0.0.11-2004-09-16-20:10:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
162 return NGX_CHAIN_ERROR; |
5e73d0ea4dab
nginx-0.0.11-2004-09-16-20:10:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
163 } |
5e73d0ea4dab
nginx-0.0.11-2004-09-16-20:10:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
164 |
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
343
diff
changeset
|
165 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
|
166 sfv->sfv_fd = fd; |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
167 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
|
168 sfv->sfv_off = cl->buf->file_pos; |
473 | 169 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
|
170 } |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
171 |
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
172 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
|
173 send += size; |
197
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
174 } |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
175 } |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
176 |
198
34995c5ec6c4
nginx-0.0.1-2003-11-27-22:01:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
197
diff
changeset
|
177 n = sendfilev(c->fd, vec.elts, vec.nelts, &sent); |
197
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
178 |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
179 if (n == -1) { |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
180 err = ngx_errno; |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
181 |
3063
6f6d7ea70805
refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
182 switch (err) { |
6f6d7ea70805
refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
183 case NGX_EAGAIN: |
6f6d7ea70805
refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
184 break; |
197
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
185 |
3063
6f6d7ea70805
refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
186 case NGX_EINTR: |
6f6d7ea70805
refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
187 eintr = 1; |
6f6d7ea70805
refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
188 break; |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
198
diff
changeset
|
189 |
3063
6f6d7ea70805
refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
190 default: |
197
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
191 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
|
192 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
|
193 return NGX_CHAIN_ERROR; |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
194 } |
3063
6f6d7ea70805
refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
195 |
6f6d7ea70805
refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
196 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, err, |
6f6d7ea70805
refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
197 "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
|
198 } |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
199 |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
198
diff
changeset
|
200 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
461 | 201 "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
|
202 |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
203 c->sent += sent; |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
204 |
5850
f9c83484d9ce
Moved the code for adjusting sent buffers in a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
5320
diff
changeset
|
205 in = ngx_handle_sent_chain(in, sent); |
197
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
206 |
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
207 if (eintr) { |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
208 continue; |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
209 } |
197
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
210 |
5851
150df089fe47
Removed the "complete" variable from various send chain functions.
Valentin Bartenev <vbart@nginx.com>
parents:
5850
diff
changeset
|
211 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
|
212 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
|
213 return in; |
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
214 } |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
215 |
5320
ad137a80919f
Don't lose pointer to first nonempty buf in ngx_*_sendfile_chain().
Gleb Smirnoff <glebius@nginx.com>
parents:
4759
diff
changeset
|
216 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
|
217 return in; |
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
218 } |
197
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
219 } |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
220 } |