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annotate src/os/unix/freebsd/ngx_sendfile.c @ 29:6a0b3d6e9c13

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nginx-0.0.1-2002-12-17-18:48:27 import
author Igor Sysoev <igor@sysoev.ru>
date Tue, 17 Dec 2002 15:48:27 +0000
parents 708f8bb772ec
children e8cdc2989cee
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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2 #include <ngx_config.h>
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6a0b3d6e9c13 nginx-0.0.1-2002-12-17-18:48:27 import
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4 #if (HAVE_FREEBSD_SENDFILE)
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708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
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6 #include <ngx_core.h>
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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7 #include <ngx_types.h>
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34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
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8 #include <ngx_file.h>
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
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9 #include <ngx_socket.h>
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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10 #include <ngx_errno.h>
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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11 #include <ngx_log.h>
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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12 #include <ngx_sendv.h>
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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13 #include <ngx_sendfile.h>
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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15 /*
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6a0b3d6e9c13 nginx-0.0.1-2002-12-17-18:48:27 import
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16 CHECK:
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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17 check sent if errno == EINTR then should return right sent.
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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18 */
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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21 int ngx_sendfile(ngx_socket_t s,
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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22 ngx_iovec_t *headers, int hdr_cnt,
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669801705ab1 nginx-0.0.1-2002-08-26-19:18:19 import
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23 ngx_fd_t fd, off_t offset, size_t nbytes,
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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24 ngx_iovec_t *trailers, int trl_cnt,
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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25 off_t *sent,
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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26 ngx_log_t *log)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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27 {
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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28 int rc, i;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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29 ngx_err_t err;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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30 struct sf_hdtr hdtr;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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32 hdtr.headers = headers;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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33 hdtr.hdr_cnt = hdr_cnt;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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34 hdtr.trailers = trailers;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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35 hdtr.trl_cnt = trl_cnt;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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37 #if (HAVE_FREEBSD_SENDFILE_NBYTES_BUG)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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38 for (i = 0; i < hdr_cnt; i++)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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39 nbytes += headers[i].iov_len;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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40 #endif
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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42 rc = sendfile(fd, s, offset, nbytes, &hdtr, sent, 0);
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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44 if (rc == -1) {
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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45 err = ngx_socket_errno;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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46 if (err != NGX_EAGAIN && err != NGX_EINTR) {
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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47 ngx_log_error(NGX_LOG_ERR, log, err,
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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48 "ngx_sendfile: sendfile failed");
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708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
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49 return NGX_ERROR;
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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51 } else {
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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52 ngx_log_error(NGX_LOG_INFO, log, err,
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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53 "ngx_sendfile: sendfile sent only %qd bytes", *sent);
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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54 }
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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55 }
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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56
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34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
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57 ngx_log_debug(log, "ngx_sendfile: %d, @%qd %qd:%d" _
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
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58 rc _ offset _ *sent _ nbytes);
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60 return NGX_OK;
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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61 }
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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63 #endif