annotate src/os/unix/ngx_channel.c @ 391:b670db10cbbd

nginx-0.0.7-2004-07-14-20:01:42 import
author Igor Sysoev <igor@sysoev.ru>
date Wed, 14 Jul 2004 16:01:42 +0000
parents 02a511569afb
children da8c5707af39
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
366
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
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1
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
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2 #include <ngx_config.h>
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
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3 #include <ngx_core.h>
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
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4 #include <ngx_channel.h>
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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5
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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6
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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7 ngx_int_t ngx_write_channel(ngx_socket_t s, ngx_channel_t *ch, size_t size,
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
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8 ngx_log_t *log)
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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9 {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
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10 ssize_t n;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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11 ngx_err_t err;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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12 struct iovec iov[1];
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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13 struct msghdr msg;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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14
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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15 #if (HAVE_MSGHDR_MSG_CONTROL)
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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16
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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17 union {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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18 struct cmsghdr cm;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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19 char space[CMSG_SPACE(sizeof(int))];
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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20 } cmsg;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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21
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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22 if (ch->fd == -1) {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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23 msg.msg_control = NULL;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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24 msg.msg_controllen = 0;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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25
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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26 } else {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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27 msg.msg_control = (caddr_t) &cmsg;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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28 msg.msg_controllen = sizeof(cmsg);
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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29
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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30 cmsg.cm.cmsg_len = sizeof(cmsg);
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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31 cmsg.cm.cmsg_level = SOL_SOCKET;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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32 cmsg.cm.cmsg_type = SCM_RIGHTS;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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33 *(int *) CMSG_DATA(&cmsg.cm) = ch->fd;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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34 }
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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35
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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36 #else
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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37
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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38 if (ch->fd == -1) {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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39 msg.msg_accrights = NULL;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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40 msg.msg_accrightslen = 0;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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41
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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42 } else {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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43 msg.msg_accrights = (caddr_t) &ch->fd;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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44 msg.msg_accrightslen = sizeof(int);
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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45 }
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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46
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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47 #endif
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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48
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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49 iov[0].iov_base = (char *) ch;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
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50 iov[0].iov_len = size;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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51
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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52 msg.msg_name = NULL;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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53 msg.msg_namelen = 0;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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54 msg.msg_iov = iov;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
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55 msg.msg_iovlen = 1;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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56
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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57 n = sendmsg(s, &msg, 0);
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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58
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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59 if (n == -1) {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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60 err = ngx_errno;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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61 if (err == NGX_EAGAIN) {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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62 return NGX_AGAIN;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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63 }
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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64
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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65 ngx_log_error(NGX_LOG_ALERT, log, err, "sendmsg() failed");
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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66 return NGX_ERROR;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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67 }
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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68
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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69 return NGX_OK;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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70 }
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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71
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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72
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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73 ngx_int_t ngx_read_channel(ngx_socket_t s, ngx_channel_t *ch, size_t size,
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
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74 ngx_log_t *log)
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
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75 {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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76 ssize_t n;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
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77 ngx_err_t err;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
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78 struct iovec iov[1];
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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79 struct msghdr msg;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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80
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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81 #if (HAVE_MSGHDR_MSG_CONTROL)
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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82 union {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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83 struct cmsghdr cm;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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84 char space[CMSG_SPACE(sizeof(int))];
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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85 } cmsg;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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86 #else
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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87 int fd;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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88 #endif
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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89
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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90 iov[0].iov_base = (char *) ch;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
91 iov[0].iov_len = size;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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92
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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93 msg.msg_name = NULL;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
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94 msg.msg_namelen = 0;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
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95 msg.msg_iov = iov;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
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96 msg.msg_iovlen = 1;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
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97
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
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98 #if (HAVE_MSGHDR_MSG_CONTROL)
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
99 msg.msg_control = (caddr_t) &cmsg;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
100 msg.msg_controllen = sizeof(cmsg);
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
101 #else
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
102 msg.msg_accrights = (caddr_t) &fd;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
103 msg.msg_accrightslen = sizeof(int);
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
104 #endif
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
105
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
106 n = recvmsg(s, &msg, 0);
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
107
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
108 if (n == -1) {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
109 err = ngx_errno;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
110 if (err == NGX_EAGAIN) {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
111 return NGX_AGAIN;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
112 }
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
113
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
114 ngx_log_error(NGX_LOG_ALERT, log, err, "recvmsg() failed");
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
115 return NGX_ERROR;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
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116 }
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
117
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
118 if ((size_t) n < sizeof(ngx_channel_t)) {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
119 ngx_log_error(NGX_LOG_ALERT, log, 0,
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
120 "recvmsg() returned not enough data");
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
121 return NGX_ERROR;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
122 }
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
123
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
124 #if (HAVE_MSGHDR_MSG_CONTROL)
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
125
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
126 if (ch->command == NGX_CMD_OPEN_CHANNEL) {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
127
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
128 if (cmsg.cm.cmsg_len < sizeof(cmsg)) {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
129 ngx_log_error(NGX_LOG_ALERT, log, 0,
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
130 "recvmsg() returned too small ancillary data");
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
131 return NGX_ERROR;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
132 }
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
133
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
134 if (cmsg.cm.cmsg_level != SOL_SOCKET || cmsg.cm.cmsg_type != SCM_RIGHTS)
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
135 {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
136 ngx_log_error(NGX_LOG_ALERT, log, 0,
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
137 "recvmsg() returned invalid ancillary data "
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
138 "level %d or type %d",
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
139 cmsg.cm.cmsg_level, cmsg.cm.cmsg_type);
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
140 return NGX_ERROR;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
141 }
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
142
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
143 ch->fd = *(int *) CMSG_DATA(&cmsg.cm);
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
144 }
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
145
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
146 if (msg.msg_flags & (MSG_TRUNC|MSG_CTRUNC)) {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
147 ngx_log_error(NGX_LOG_ALERT, log, 0,
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
148 "recvmsg() truncated data");
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
149 }
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
150
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
151 #else
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
152
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
153 if (ch->command == NGX_CMD_OPEN_CHANNEL) {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
154 if (msg.msg_accrightslen != sizeof(int)) {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
155 ngx_log_error(NGX_LOG_ALERT, log, 0,
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
156 "recvmsg() returned no ancillary data");
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
157 return NGX_ERROR;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
158 }
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
159
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
160 ch->fd = fd;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
161 }
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
162
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
163 #endif
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
164
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
165 return n;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
166 }
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
167
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
168
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
169 ngx_int_t ngx_add_channel_event(ngx_cycle_t *cycle, ngx_fd_t fd,
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
170 ngx_int_t event, ngx_event_handler_pt handler)
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
171 {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
172 ngx_event_t *ev, *rev, *wev;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
173 ngx_connection_t *c;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
174
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
175 c = &cycle->connections[fd];
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
176 rev = &cycle->read_events[fd];
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
177 wev = &cycle->write_events[fd];
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
178
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
179 ngx_memzero(c, sizeof(ngx_connection_t));
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
180 ngx_memzero(rev, sizeof(ngx_event_t));
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
181 ngx_memzero(wev, sizeof(ngx_event_t));
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
182
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
183 c->fd = fd;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
184 c->pool = cycle->pool;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
185
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
186 c->read = rev;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
187 c->write = wev;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
188
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
189 c->log = cycle->log;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
190 rev->log = cycle->log;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
191 wev->log = cycle->log;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
192 rev->index = NGX_INVALID_INDEX;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
193 wev->index = NGX_INVALID_INDEX;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
194 rev->data = c;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
195 wev->data = c;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
196
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
diff changeset
197 #if (NGX_THREADS)
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
diff changeset
198 rev->lock = &c->lock;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
diff changeset
199 wev->lock = &c->lock;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
diff changeset
200 rev->own_lock = &c->lock;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
diff changeset
201 wev->own_lock = &c->lock;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
diff changeset
202 #endif
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
diff changeset
203
366
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
204 ev = (event == NGX_READ_EVENT) ? rev : wev;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
205
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
206 ev->event_handler = handler;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
207
391
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 381
diff changeset
208 if (ngx_add_conn && (ngx_event_flags & NGX_USE_EPOLL_EVENT) == 0) {
366
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
209 if (ngx_add_conn(c) == NGX_ERROR) {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
210 return NGX_ERROR;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
211 }
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
212
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
213 } else {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
214 if (ngx_add_event(ev, event, 0) == NGX_ERROR) {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
215 return NGX_ERROR;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
216 }
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
217 }
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
218
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
219 return NGX_OK;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
220 }
391
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 381
diff changeset
221
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 381
diff changeset
222
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 381
diff changeset
223 void ngx_close_channel(ngx_fd_t *fd, ngx_log_t *log)
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 381
diff changeset
224 {
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 381
diff changeset
225 if (close(fd[0]) == -1) {
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 381
diff changeset
226 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, "close() failed");
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 381
diff changeset
227 }
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 381
diff changeset
228
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 381
diff changeset
229 if (close(fd[1]) == -1) {
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 381
diff changeset
230 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, "close() failed");
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 381
diff changeset
231 }
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 381
diff changeset
232 }