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annotate src/os/unix/ngx_daemon.c @ 499:64d9afb209da release-0.1.24

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nginx-0.1.24-RELEASE import *) Feature: the ngx_http_ssi_filter_module supports the QUERY_STRING and DOCUMENT_URI variables. *) Bugfix: the ngx_http_autoindex_module may some times return the 404 response for existent directory, if this directory was used in "alias" directive. *) Bugfix: the ngx_http_ssi_filter_module ran incorrectly for large responses. *) Bugfix: the lack of the "Referer" header line was always accounted as valid referrer.
author Igor Sysoev <igor@sysoev.ru>
date Fri, 04 Mar 2005 14:06:57 +0000
parents 42d11f017717
children d620f497c50f
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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64d9afb209da nginx-0.1.24-RELEASE import
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11 ngx_int_t ngx_daemon(ngx_log_t *log)
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12 {
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13 int fd;
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3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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15 switch (fork()) {
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16 case -1:
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17 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "fork() failed");
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18 return NGX_ERROR;
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19
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20 case 0:
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21 break;
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22
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23 default:
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24 exit(0);
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25 }
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2a0540287298 nginx-0.0.2-2004-02-03-19:43:54 import
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27 ngx_pid = ngx_getpid();
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28
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29 if (setsid() == -1) {
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30 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "setsid() failed");
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31 return NGX_ERROR;
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32 }
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33
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34 umask(0);
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35
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36 fd = open("/dev/null", O_RDWR);
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37 if (fd == -1) {
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38 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
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39 "open(\"/dev/null\") failed");
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40 return NGX_ERROR;
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41 }
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43 if (dup2(fd, STDIN_FILENO) == -1) {
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44 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "dup2(STDIN) failed");
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45 return NGX_ERROR;
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46 }
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47
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48 if (dup2(fd, STDOUT_FILENO) == -1) {
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49 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "dup2(STDOUT) failed");
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50 return NGX_ERROR;
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51 }
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52
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53 #if 0
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54 if (dup2(fd, STDERR_FILENO) == -1) {
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55 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "dup2(STDERR) failed");
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56 return NGX_ERROR;
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57 }
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58 #endif
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60 if (fd > STDERR_FILENO) {
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61 if (close(fd) == -1) {
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62 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "close() failed");
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63 return NGX_ERROR;
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64 }
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65 }
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66
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67 return NGX_OK;
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68 }