Mercurial > hg > nginx-quic
annotate src/os/unix/ngx_solaris_sendfilev_chain.c @ 8514:7e4aeb464642
Version bump.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Mon, 31 May 2021 16:36:12 +0300 |
parents | 646985c55393 |
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rev | line source |
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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 /* |
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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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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.
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32 ngx_chain_t *ngx_solaris_sendfilev_chain(ngx_connection_t *c, ngx_chain_t *in, |
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Fixed compilation with -Wmissing-prototypes.
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33 off_t limit); |
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34 |
473 | 35 #endif |
36 | |
37 | |
5854
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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; | |
5851
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Removed the "complete" variable from various send chain functions.
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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_buf_t *file; |
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52 ngx_uint_t nsfv; |
428
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53 sendfilevec_t *sfv, sfvs[NGX_SENDFILEVECS]; |
197
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54 ngx_event_t *wev; |
501 | 55 ngx_chain_t *cl; |
197
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56 |
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57 wev = c->write; |
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58 |
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59 if (!wev->ready) { |
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60 return in; |
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61 } |
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62 |
452 | 63 if (!c->sendfile) { |
64 return ngx_writev_chain(c, in, limit); | |
65 } | |
66 | |
473 | 67 |
68 /* the maximum limit size is the maximum size_t value - the page size */ | |
69 | |
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70 if (limit == 0 || limit > (off_t) (NGX_MAX_SIZE_T_VALUE - ngx_pagesize)) { |
477 | 71 limit = NGX_MAX_SIZE_T_VALUE - ngx_pagesize; |
473 | 72 } |
73 | |
74 | |
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75 send = 0; |
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76 |
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77 for ( ;; ) { |
197
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78 fd = SFV_FD_SELF; |
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79 prev = NULL; |
198
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80 fprev = 0; |
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81 file = NULL; |
197
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82 sfv = NULL; |
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83 eintr = 0; |
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84 sent = 0; |
473 | 85 prev_send = send; |
197
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86 |
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Refactored ngx_solaris_sendfilev_chain().
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87 nsfv = 0; |
198
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88 |
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89 /* create the sendfilevec and coalesce the neighbouring bufs */ |
197
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90 |
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91 for (cl = in; cl && send < limit; cl = cl->next) { |
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92 |
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93 if (ngx_buf_special(cl->buf)) { |
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94 continue; |
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95 } |
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96 |
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97 if (ngx_buf_in_memory_only(cl->buf)) { |
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98 fd = SFV_FD_SELF; |
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99 |
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100 size = cl->buf->last - cl->buf->pos; |
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101 |
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102 if (send + size > limit) { |
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103 size = limit - send; |
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104 } |
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105 |
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106 if (prev == cl->buf->pos) { |
473 | 107 sfv->sfv_len += (size_t) size; |
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108 |
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109 } else { |
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110 if (nsfv == NGX_SENDFILEVECS) { |
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111 break; |
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112 } |
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113 |
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114 sfv = &sfvs[nsfv++]; |
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115 |
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116 sfv->sfv_fd = SFV_FD_SELF; |
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117 sfv->sfv_flag = 0; |
344
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118 sfv->sfv_off = (off_t) (uintptr_t) cl->buf->pos; |
473 | 119 sfv->sfv_len = (size_t) size; |
197
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120 } |
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121 |
473 | 122 prev = cl->buf->pos + (size_t) size; |
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123 send += size; |
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124 |
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125 } else { |
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126 prev = NULL; |
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127 |
473 | 128 size = cl->buf->file_last - cl->buf->file_pos; |
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129 |
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130 if (send + size > limit) { |
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131 size = limit - send; |
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132 |
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133 aligned = (cl->buf->file_pos + size + ngx_pagesize - 1) |
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134 & ~((off_t) ngx_pagesize - 1); |
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135 |
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136 if (aligned <= cl->buf->file_last) { |
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137 size = aligned - cl->buf->file_pos; |
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138 } |
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139 } |
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140 |
344
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141 if (fd == cl->buf->file->fd && fprev == cl->buf->file_pos) { |
473 | 142 sfv->sfv_len += (size_t) size; |
197
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143 |
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nginx-0.0.1-2003-11-27-10:45:22 import
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parents:
diff
changeset
|
144 } else { |
5914
4dd67e5d958e
Refactored ngx_solaris_sendfilev_chain().
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|
145 if (nsfv == NGX_SENDFILEVECS) { |
4596
089cc5154c1e
IOV_MAX handling microoptimization.
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parents:
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diff
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|
146 break; |
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IOV_MAX handling microoptimization.
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parents:
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diff
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|
147 } |
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IOV_MAX handling microoptimization.
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parents:
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diff
changeset
|
148 |
5914
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Refactored ngx_solaris_sendfilev_chain().
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diff
changeset
|
149 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
|
150 |
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
343
diff
changeset
|
151 fd = cl->buf->file->fd; |
197
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
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parents:
diff
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152 sfv->sfv_fd = fd; |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
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parents:
diff
changeset
|
153 sfv->sfv_flag = 0; |
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
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parents:
343
diff
changeset
|
154 sfv->sfv_off = cl->buf->file_pos; |
473 | 155 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
|
156 } |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
157 |
6438
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Truncation detection in sendfilev() on Solaris.
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parents:
5914
diff
changeset
|
158 file = cl->buf; |
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
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parents:
344
diff
changeset
|
159 fprev = cl->buf->file_pos + size; |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
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parents:
344
diff
changeset
|
160 send += size; |
197
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
161 } |
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 |
5914
4dd67e5d958e
Refactored ngx_solaris_sendfilev_chain().
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parents:
5912
diff
changeset
|
164 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
|
165 |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
166 if (n == -1) { |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
167 err = ngx_errno; |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
168 |
3063
6f6d7ea70805
refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
169 switch (err) { |
6f6d7ea70805
refactor EAGAIN/EINTR processing
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parents:
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diff
changeset
|
170 case NGX_EAGAIN: |
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parents:
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diff
changeset
|
171 break; |
197
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
172 |
3063
6f6d7ea70805
refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
173 case NGX_EINTR: |
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refactor EAGAIN/EINTR processing
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parents:
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diff
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|
174 eintr = 1; |
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parents:
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diff
changeset
|
175 break; |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
198
diff
changeset
|
176 |
3063
6f6d7ea70805
refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
177 default: |
197
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
178 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
|
179 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
|
180 return NGX_CHAIN_ERROR; |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
181 } |
3063
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refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
182 |
6f6d7ea70805
refactor EAGAIN/EINTR processing
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parents:
1354
diff
changeset
|
183 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, err, |
6f6d7ea70805
refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
184 "sendfilev() sent only %uz bytes", sent); |
6438
646985c55393
Truncation detection in sendfilev() on Solaris.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5914
diff
changeset
|
185 |
646985c55393
Truncation detection in sendfilev() on Solaris.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5914
diff
changeset
|
186 } else if (n == 0 && sent == 0) { |
646985c55393
Truncation detection in sendfilev() on Solaris.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5914
diff
changeset
|
187 |
646985c55393
Truncation detection in sendfilev() on Solaris.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5914
diff
changeset
|
188 /* |
646985c55393
Truncation detection in sendfilev() on Solaris.
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parents:
5914
diff
changeset
|
189 * sendfilev() is documented to return -1 with errno |
646985c55393
Truncation detection in sendfilev() on Solaris.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5914
diff
changeset
|
190 * set to EINVAL if svf_len is greater than the file size, |
646985c55393
Truncation detection in sendfilev() on Solaris.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5914
diff
changeset
|
191 * but at least Solaris 11 returns 0 instead |
646985c55393
Truncation detection in sendfilev() on Solaris.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
192 */ |
646985c55393
Truncation detection in sendfilev() on Solaris.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5914
diff
changeset
|
193 |
646985c55393
Truncation detection in sendfilev() on Solaris.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5914
diff
changeset
|
194 if (file) { |
646985c55393
Truncation detection in sendfilev() on Solaris.
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parents:
5914
diff
changeset
|
195 ngx_log_error(NGX_LOG_ALERT, c->log, 0, |
646985c55393
Truncation detection in sendfilev() on Solaris.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5914
diff
changeset
|
196 "sendfilev() reported that \"%s\" was truncated at %O", |
646985c55393
Truncation detection in sendfilev() on Solaris.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5914
diff
changeset
|
197 file->file->name.data, file->file_pos); |
646985c55393
Truncation detection in sendfilev() on Solaris.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5914
diff
changeset
|
198 |
646985c55393
Truncation detection in sendfilev() on Solaris.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5914
diff
changeset
|
199 } else { |
646985c55393
Truncation detection in sendfilev() on Solaris.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5914
diff
changeset
|
200 ngx_log_error(NGX_LOG_ALERT, c->log, 0, |
646985c55393
Truncation detection in sendfilev() on Solaris.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5914
diff
changeset
|
201 "sendfilev() returned 0 with memory buffers"); |
646985c55393
Truncation detection in sendfilev() on Solaris.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5914
diff
changeset
|
202 } |
646985c55393
Truncation detection in sendfilev() on Solaris.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5914
diff
changeset
|
203 |
646985c55393
Truncation detection in sendfilev() on Solaris.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5914
diff
changeset
|
204 return NGX_CHAIN_ERROR; |
197
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
205 } |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
206 |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
198
diff
changeset
|
207 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
461 | 208 "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
|
209 |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
210 c->sent += sent; |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
211 |
5912
de68ed551bfb
Renamed ngx_handle_sent_chain() to ngx_chain_update_sent().
Valentin Bartenev <vbart@nginx.com>
parents:
5868
diff
changeset
|
212 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
|
213 |
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
214 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
|
215 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
|
216 continue; |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
217 } |
197
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
218 |
5851
150df089fe47
Removed the "complete" variable from various send chain functions.
Valentin Bartenev <vbart@nginx.com>
parents:
5850
diff
changeset
|
219 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
|
220 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
|
221 return in; |
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
222 } |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
223 |
5320
ad137a80919f
Don't lose pointer to first nonempty buf in ngx_*_sendfile_chain().
Gleb Smirnoff <glebius@nginx.com>
parents:
4759
diff
changeset
|
224 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
|
225 return in; |
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
226 } |
197
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
227 } |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
228 } |