Mercurial > hg > nginx-quic
annotate src/os/unix/ngx_aio_write_chain.c @ 70:e320bf51c4e3
nginx-0.0.1-2003-03-25-18:40:51 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Tue, 25 Mar 2003 15:40:51 +0000 |
parents | 36d2c25cc9bb |
children | 738fe44c70d5 |
rev | line source |
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63
36d2c25cc9bb
nginx-0.0.1-2003-02-26-23:21:43 import
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1 |
36d2c25cc9bb
nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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2 #include <ngx_config.h> |
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nginx-0.0.1-2003-02-26-23:21:43 import
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3 |
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nginx-0.0.1-2003-02-26-23:21:43 import
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4 #include <ngx_core.h> |
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nginx-0.0.1-2003-02-26-23:21:43 import
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5 #include <ngx_types.h> |
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nginx-0.0.1-2003-02-26-23:21:43 import
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6 #include <ngx_alloc.h> |
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nginx-0.0.1-2003-02-26-23:21:43 import
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7 #include <ngx_array.h> |
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nginx-0.0.1-2003-02-26-23:21:43 import
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8 #include <ngx_hunk.h> |
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nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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9 #include <ngx_connection.h> |
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nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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10 #include <ngx_sendv.h> |
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nginx-0.0.1-2003-02-26-23:21:43 import
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11 #include <ngx_sendfile.h> |
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nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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12 |
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nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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13 |
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nginx-0.0.1-2003-02-26-23:21:43 import
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14 ngx_chain_t *ngx_aio_write_chain(ngx_connection_t *c, ngx_chain_t *in) |
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nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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15 { |
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nginx-0.0.1-2003-02-26-23:21:43 import
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16 int rc; |
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nginx-0.0.1-2003-02-26-23:21:43 import
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17 char *buf, *prev; |
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nginx-0.0.1-2003-02-26-23:21:43 import
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18 off_t sent; |
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nginx-0.0.1-2003-02-26-23:21:43 import
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19 size_t size; |
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nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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20 ngx_err_t err; |
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nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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21 ngx_chain_t *ce; |
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nginx-0.0.1-2003-02-26-23:21:43 import
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22 |
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nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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23 sent = 0; |
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nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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24 ce = in; |
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nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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25 |
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nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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26 while (ce) { |
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nginx-0.0.1-2003-02-26-23:21:43 import
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27 |
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nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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28 ngx_log_debug(c->log, "aio_write ce: %x" _ ce->hunk->pos.mem); |
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nginx-0.0.1-2003-02-26-23:21:43 import
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29 |
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nginx-0.0.1-2003-02-26-23:21:43 import
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30 buf = prev = ce->hunk->pos.mem; |
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nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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31 size = 0; |
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nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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32 |
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nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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33 /* coalesce the neighbouring chain entries */ |
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nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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34 while (ce && prev == ce->hunk->pos.mem) { |
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nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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35 size += ce->hunk->last.mem - ce->hunk->pos.mem; |
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nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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36 prev = ce->hunk->last.mem; |
36d2c25cc9bb
nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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37 ce = ce->next; |
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nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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38 } |
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nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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39 |
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nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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40 rc = ngx_event_aio_write(c, buf, size); |
36d2c25cc9bb
nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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41 |
36d2c25cc9bb
nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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42 ngx_log_debug(c->log, "aio_write rc: %d" _ rc); |
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nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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43 |
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nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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44 if (rc > 0) { |
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nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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45 sent += rc; |
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nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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46 c->sent += rc; |
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nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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47 |
36d2c25cc9bb
nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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48 } else if (rc == NGX_ERROR) { |
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nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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49 return NGX_CHAIN_ERROR; |
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nginx-0.0.1-2003-02-26-23:21:43 import
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50 |
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nginx-0.0.1-2003-02-26-23:21:43 import
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51 } else if (rc == NGX_AGAIN) { |
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nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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52 break; |
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nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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53 } |
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nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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54 } |
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nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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55 |
36d2c25cc9bb
nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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56 #if (NGX_DEBUG_WRITE_CHAIN) |
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nginx-0.0.1-2003-02-26-23:21:43 import
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57 ngx_log_debug(c->log, "aio_write sent: " OFF_FMT _ c->sent); |
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nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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58 #endif |
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nginx-0.0.1-2003-02-26-23:21:43 import
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59 |
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nginx-0.0.1-2003-02-26-23:21:43 import
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60 for (ce = in; ce; ce = ce->next) { |
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nginx-0.0.1-2003-02-26-23:21:43 import
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61 |
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nginx-0.0.1-2003-02-26-23:21:43 import
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62 #if (NGX_DEBUG_WRITE_CHAIN) |
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nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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63 ngx_log_debug(c->log, "write chain: %x %qx %qd" _ |
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nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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64 ce->hunk->type _ |
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nginx-0.0.1-2003-02-26-23:21:43 import
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65 ce->hunk->pos.file _ |
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nginx-0.0.1-2003-02-26-23:21:43 import
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66 ce->hunk->last.file - ce->hunk->pos.file); |
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nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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67 #endif |
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nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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68 |
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nginx-0.0.1-2003-02-26-23:21:43 import
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69 if (sent >= ce->hunk->last.file - ce->hunk->pos.file) { |
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nginx-0.0.1-2003-02-26-23:21:43 import
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70 sent -= ce->hunk->last.file - ce->hunk->pos.file; |
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nginx-0.0.1-2003-02-26-23:21:43 import
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71 ce->hunk->pos.file = ce->hunk->last.file; |
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nginx-0.0.1-2003-02-26-23:21:43 import
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72 |
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nginx-0.0.1-2003-02-26-23:21:43 import
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73 #if (NGX_DEBUG_WRITE_CHAIN) |
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nginx-0.0.1-2003-02-26-23:21:43 import
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74 ngx_log_debug(c->log, "write chain done: %qx %qd" _ |
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nginx-0.0.1-2003-02-26-23:21:43 import
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75 ce->hunk->pos.file _ sent); |
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nginx-0.0.1-2003-02-26-23:21:43 import
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76 #endif |
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nginx-0.0.1-2003-02-26-23:21:43 import
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77 continue; |
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nginx-0.0.1-2003-02-26-23:21:43 import
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78 } |
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nginx-0.0.1-2003-02-26-23:21:43 import
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79 |
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nginx-0.0.1-2003-02-26-23:21:43 import
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80 ce->hunk->pos.file += sent; |
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nginx-0.0.1-2003-02-26-23:21:43 import
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81 |
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nginx-0.0.1-2003-02-26-23:21:43 import
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82 #if (NGX_DEBUG_WRITE_CHAIN) |
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nginx-0.0.1-2003-02-26-23:21:43 import
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83 ngx_log_debug(c->log, "write chain rest: %qx %qd" _ |
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nginx-0.0.1-2003-02-26-23:21:43 import
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84 ce->hunk->pos.file _ |
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nginx-0.0.1-2003-02-26-23:21:43 import
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85 ce->hunk->last.file - ce->hunk->pos.file); |
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nginx-0.0.1-2003-02-26-23:21:43 import
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86 #endif |
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nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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87 |
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nginx-0.0.1-2003-02-26-23:21:43 import
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88 break; |
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nginx-0.0.1-2003-02-26-23:21:43 import
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89 } |
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nginx-0.0.1-2003-02-26-23:21:43 import
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90 |
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nginx-0.0.1-2003-02-26-23:21:43 import
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91 return ce; |
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nginx-0.0.1-2003-02-26-23:21:43 import
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92 } |