Mercurial > hg > nginx-quic
annotate src/os/unix/ngx_solaris_sendfilev_chain.c @ 272:d4e65d74db9f
nginx-0.0.2-2004-03-01-00:03:02 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Sun, 29 Feb 2004 21:03:02 +0000 |
parents | 8c5bdde0d9f0 |
children | 87e73f067470 |
rev | line source |
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272
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1 |
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2 /* |
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3 * Copyright (C) 2002-2004 Igor Sysoev, http://sysoev.ru/en/ |
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4 */ |
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5 |
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6 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_event.h> |
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10 |
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11 |
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12 ngx_chain_t *ngx_solaris_sendfilev_chain(ngx_connection_t *c, ngx_chain_t *in) |
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13 { |
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14 int fd; |
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15 char *prev; |
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16 off_t fprev; |
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17 size_t sent, size; |
197
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18 ssize_t n; |
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19 ngx_int_t eintr; |
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20 ngx_err_t err; |
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21 sendfilevec_t *sfv; |
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22 ngx_array_t vec; |
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23 ngx_event_t *wev; |
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24 ngx_chain_t *cl, *tail; |
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25 |
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26 wev = c->write; |
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27 |
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28 if (!wev->ready) { |
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29 return in; |
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30 } |
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31 |
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32 do { |
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33 fd = SFV_FD_SELF; |
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34 prev = NULL; |
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35 fprev = 0; |
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36 sfv = NULL; |
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37 eintr = 0; |
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38 sent = 0; |
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39 |
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40 ngx_init_array(vec, c->pool, 10, sizeof(sendfilevec_t), |
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41 NGX_CHAIN_ERROR); |
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42 |
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43 /* create the sendfilevec and coalesce the neighbouring hunks */ |
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44 |
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45 for (cl = in; cl && vec.nelts < IOV_MAX; cl = cl->next) { |
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46 if (ngx_hunk_special(cl->hunk)) { |
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47 continue; |
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48 } |
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49 |
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50 if (ngx_hunk_in_memory_only(cl->hunk)) { |
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51 fd = SFV_FD_SELF; |
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52 |
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53 if (prev == cl->hunk->pos) { |
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54 sfv->sfv_len += cl->hunk->last - cl->hunk->pos; |
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55 |
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56 } else { |
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57 ngx_test_null(sfv, ngx_push_array(&vec), NGX_CHAIN_ERROR); |
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58 sfv->sfv_fd = SFV_FD_SELF; |
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59 sfv->sfv_flag = 0; |
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60 sfv->sfv_off = (off_t) (uintptr_t) cl->hunk->pos; |
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61 sfv->sfv_len = cl->hunk->last - cl->hunk->pos; |
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62 } |
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63 |
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64 prev = cl->hunk->last; |
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65 |
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66 } else { |
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67 prev = NULL; |
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68 |
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69 if (fd == cl->hunk->file->fd && fprev == cl->hunk->file_pos) { |
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70 sfv->sfv_len += cl->hunk->file_last - cl->hunk->file_pos; |
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71 |
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72 } else { |
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73 ngx_test_null(sfv, ngx_push_array(&vec), NGX_CHAIN_ERROR); |
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74 fd = cl->hunk->file->fd; |
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75 sfv->sfv_fd = fd; |
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76 sfv->sfv_flag = 0; |
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77 sfv->sfv_off = cl->hunk->file_pos; |
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78 sfv->sfv_len = cl->hunk->file_last - cl->hunk->file_pos; |
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79 } |
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80 |
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81 fprev = cl->hunk->file_last; |
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82 } |
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83 } |
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84 |
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85 /* |
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86 * the tail is the rest of the chain that exceeded a single |
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87 * sendfilev() capability, IOV_MAX in Solaris is only 16 |
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88 */ |
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89 |
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90 tail = cl; |
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91 |
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92 n = sendfilev(c->fd, vec.elts, vec.nelts, &sent); |
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93 |
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94 if (n == -1) { |
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95 err = ngx_errno; |
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96 |
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97 if (err == NGX_EAGAIN || err == NGX_EINTR) { |
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98 if (err == NGX_EINTR) { |
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99 eintr = 1; |
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100 } |
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101 |
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102 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, err, |
197
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nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
103 "sendfilev() sent only " SIZE_T_FMT " bytes", |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
104 sent); |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
198
diff
changeset
|
105 |
197
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
106 } else { |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
107 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
|
108 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
|
109 return NGX_CHAIN_ERROR; |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
110 } |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
111 } |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
112 |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
198
diff
changeset
|
113 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
198
diff
changeset
|
114 "sendfilev: %d " SIZE_T_FMT, n, sent); |
197
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
115 |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
116 c->sent += sent; |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
117 |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
118 for (cl = in; cl; cl = cl->next) { |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
119 |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
120 if (ngx_hunk_special(cl->hunk)) { |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
121 continue; |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
122 } |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
123 |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
124 if (sent == 0) { |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
125 break; |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
126 } |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
127 |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
128 size = ngx_hunk_size(cl->hunk); |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
129 |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
130 if (sent >= size) { |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
131 sent -= size; |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
132 |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
133 if (cl->hunk->type & NGX_HUNK_IN_MEMORY) { |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
134 cl->hunk->pos = cl->hunk->last; |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
135 } |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
136 |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
137 if (cl->hunk->type & NGX_HUNK_FILE) { |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
138 cl->hunk->file_pos = cl->hunk->file_last; |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
139 } |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
140 |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
141 continue; |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
142 } |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
143 |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
144 if (cl->hunk->type & NGX_HUNK_IN_MEMORY) { |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
145 cl->hunk->pos += sent; |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
146 } |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
147 |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
148 if (cl->hunk->type & NGX_HUNK_FILE) { |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
149 cl->hunk->file_pos += sent; |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
150 } |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
151 |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
152 break; |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
153 } |
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 in = cl; |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
156 |
262
8c5bdde0d9f0
nginx-0.0.2-2004-02-18-18:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
257
diff
changeset
|
157 /* "tail == in" means that a single sendfilev() is complete */ |
8c5bdde0d9f0
nginx-0.0.2-2004-02-18-18:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
257
diff
changeset
|
158 |
8c5bdde0d9f0
nginx-0.0.2-2004-02-18-18:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
257
diff
changeset
|
159 } while ((tail && tail == in) || eintr); |
197
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
160 |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
161 if (in) { |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
162 wev->ready = 0; |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
163 } |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
164 |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
165 return in; |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
166 } |