Mercurial > hg > nginx-quic
annotate src/os/unix/ngx_daemon.c @ 122:cd91e4a1ad0d
nginx-0.0.1-2003-07-23-17:10:12 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Wed, 23 Jul 2003 13:10:12 +0000 |
parents | 00bee6e7b485 |
children | 71ce40b3c37b |
rev | line source |
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86
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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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nginx-0.0.1-2003-05-12-19:52:24 import
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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, 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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nginx-0.0.1-2003-05-12-19:52:24 import
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22 if (setsid() == -1) { |
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23 ngx_log_error(NGX_LOG_EMERG, log, errno, "setsid() failed"); |
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24 return NGX_ERROR; |
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25 } |
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26 |
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27 umask(0); |
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28 |
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29 fd = open("/dev/null", O_RDWR); |
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30 if (fd == -1) { |
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31 ngx_log_error(NGX_LOG_EMERG, log, errno, "open(\"/dev/null\") failed"); |
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32 return NGX_ERROR; |
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33 } |
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34 |
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35 if (dup2(fd, STDIN_FILENO) == -1) { |
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36 ngx_log_error(NGX_LOG_EMERG, log, errno, "dup2(STDIN) failed"); |
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37 return NGX_ERROR; |
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38 } |
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39 |
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40 if (dup2(fd, STDOUT_FILENO) == -1) { |
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41 ngx_log_error(NGX_LOG_EMERG, log, errno, "dup2(STDOUT) failed"); |
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42 return NGX_ERROR; |
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43 } |
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44 |
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45 #if 0 |
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46 if (dup2(fd, STDERR_FILENO) == -1) { |
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47 ngx_log_error(NGX_LOG_EMERG, log, errno, "dup2(STDERR) failed"); |
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48 return NGX_ERROR; |
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49 } |
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50 #endif |
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51 |
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52 if (fd > STDERR_FILENO) { |
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53 if (close(fd) == -1) { |
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54 ngx_log_error(NGX_LOG_EMERG, log, errno, "close() failed"); |
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55 return NGX_ERROR; |
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56 } |
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57 } |
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58 |
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59 return NGX_OK; |
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60 } |