Mercurial > hg > nginx-quic
annotate src/os/unix/ngx_daemon.c @ 438:e56ab5ac8c65
nginx-0.0.12-2004-09-24-20:12:19 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Fri, 24 Sep 2004 16:12:19 +0000 |
parents | 2a0540287298 |
children | da8c5707af39 |
rev | line source |
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nginx-0.0.1-2003-05-12-19:52:24 import
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1 |
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2 #include <ngx_config.h> |
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3 #include <ngx_core.h> |
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5 |
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6 int ngx_daemon(ngx_log_t *log) |
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7 { |
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8 int fd; |
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9 |
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10 switch (fork()) { |
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11 case -1: |
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12 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "fork() failed"); |
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13 return NGX_ERROR; |
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14 |
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15 case 0: |
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16 break; |
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17 |
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18 default: |
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19 exit(0); |
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20 } |
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21 |
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22 ngx_pid = ngx_getpid(); |
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23 |
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24 if (setsid() == -1) { |
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25 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "setsid() failed"); |
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26 return NGX_ERROR; |
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27 } |
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28 |
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29 umask(0); |
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30 |
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31 fd = open("/dev/null", O_RDWR); |
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32 if (fd == -1) { |
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33 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, |
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34 "open(\"/dev/null\") failed"); |
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35 return NGX_ERROR; |
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36 } |
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37 |
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38 if (dup2(fd, STDIN_FILENO) == -1) { |
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39 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "dup2(STDIN) failed"); |
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40 return NGX_ERROR; |
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41 } |
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42 |
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43 if (dup2(fd, STDOUT_FILENO) == -1) { |
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44 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "dup2(STDOUT) 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 0 |
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49 if (dup2(fd, STDERR_FILENO) == -1) { |
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50 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "dup2(STDERR) failed"); |
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51 return NGX_ERROR; |
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52 } |
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53 #endif |
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54 |
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55 if (fd > STDERR_FILENO) { |
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56 if (close(fd) == -1) { |
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57 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "close() failed"); |
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58 return NGX_ERROR; |
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59 } |
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60 } |
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61 |
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62 return NGX_OK; |
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63 } |