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annotate src/os/unix/freebsd/ngx_sendfile.c @ 59:e8cdc2989cee

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nginx-0.0.1-2003-02-06-20:21:13 import
author Igor Sysoev <igor@sysoev.ru>
date Thu, 06 Feb 2003 17:21:13 +0000
parents 6a0b3d6e9c13
children
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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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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_socket.h>
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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9 #include <ngx_errno.h>
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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10 #include <ngx_log.h>
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e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
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11 #include <ngx_connection.h>
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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.
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e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
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18 EINTR should not occur according to man.
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19 */
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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e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
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22 int ngx_sendfile(ngx_connection_t *c,
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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23 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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24 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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25 ngx_iovec_t *trailers, int trl_cnt,
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26 off_t *sent, u_int flags)
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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;
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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32 hdtr.headers = headers;
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33 hdtr.hdr_cnt = hdr_cnt;
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34 hdtr.trailers = trailers;
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35 hdtr.trl_cnt = trl_cnt;
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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)
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e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
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38 for (i = 0; i < hdr_cnt; i++) {
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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39 nbytes += headers[i].iov_len;
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40 }
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41 #endif
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42
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43 rc = sendfile(fd, c->fd, offset, nbytes, &hdtr, sent, flags);
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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45 if (rc == -1) {
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e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
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46 err = ngx_errno;
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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47 if (err != NGX_EAGAIN && err != NGX_EINTR) {
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e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
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48 ngx_log_error(NGX_LOG_ERR, c->log, err, "sendfile failed");
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50 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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52 } else {
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e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
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53 ngx_log_error(NGX_LOG_INFO, c->log, err,
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
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54 "sendfile sent only %qd bytes", *sent);
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56 return NGX_AGAIN;
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57 }
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58 }
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60 ngx_log_debug(c->log, "sendfile: %d, @%qd %qd:%d" _
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34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
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61 rc _ offset _ *sent _ nbytes);
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63 return NGX_OK;
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64 }
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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66 #endif