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annotate src/os/unix/ngx_send.c @ 417:0526206251f6

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nginx-0.0.10-2004-09-07-19:29:22 import
author Igor Sysoev <igor@sysoev.ru>
date Tue, 07 Sep 2004 15:29:22 +0000
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children 47709bff4468
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417
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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1
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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2 #include <ngx_config.h>
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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3 #include <ngx_core.h>
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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4 #include <ngx_event.h>
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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5
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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6
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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7 ssize_t ngx_unix_send(ngx_connection_t *c, u_char *buf, size_t size)
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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8 {
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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9 ssize_t n;
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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10 ngx_err_t err;
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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11 ngx_event_t *wev;
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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12
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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13 wev = c->write;
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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14
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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15 #if (HAVE_KQUEUE)
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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16
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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17 if ((ngx_event_flags & NGX_HAVE_KQUEUE_EVENT) && wev->pending_eof) {
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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18 ngx_log_error(NGX_LOG_INFO, c->log, wev->kq_errno,
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
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19 "kevent() reported about an closed connection");
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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20
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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21 wev->error = 1;
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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22 return NGX_ERROR;
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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23 }
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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24
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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25 #endif
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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26
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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27 for ( ;; ) {
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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28 n = send(c->fd, buf, size, 0);
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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29
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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30 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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31 "send: fd:%d %d of %d", c->fd, n, size);
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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32
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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33 if (n > 0) {
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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34 if (n < (ssize_t) size) {
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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35 wev->ready = 0;
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36 }
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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37
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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38 return n;
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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39 }
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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40
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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41 err = ngx_socket_errno;
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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42
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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43 if (n == 0) {
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
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44 ngx_log_error(NGX_LOG_ALERT, c->log, err, "send() returned zero");
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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45 }
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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46
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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47 if (err == NGX_EAGAIN || err == NGX_EINTR) {
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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48 wev->ready = 0;
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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49
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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50 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err,
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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51 "send() not ready");
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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52
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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53 if (err == NGX_EAGAIN) {
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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54 return NGX_AGAIN;
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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55 }
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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56
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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57 } else {
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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58 wev->error = 1;
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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59 ngx_connection_error(c, err, "recv() failed");
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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60 return NGX_ERROR;
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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61 }
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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62 }
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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63 }