Mercurial > hg > nginx
annotate src/os/unix/ngx_daemon.c @ 92:19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Tue, 20 May 2003 15:37:55 +0000 |
parents | 3973260705cc |
children | 00bee6e7b485 |
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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nginx-0.0.1-2003-05-12-19:52:24 import
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2 #include <ngx_config.h> |
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nginx-0.0.1-2003-05-12-19:52:24 import
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3 #include <ngx_core.h> |
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nginx-0.0.1-2003-05-12-19:52:24 import
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4 #include <ngx_log.h> |
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5 |
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6 /* daemon in Linux */ |
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7 |
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nginx-0.0.1-2003-05-12-19:52:24 import
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8 int ngx_daemon(ngx_log_t *log) |
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9 { |
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10 int fd; |
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11 |
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nginx-0.0.1-2003-05-12-19:52:24 import
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12 switch (fork()) { |
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13 case -1: |
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14 ngx_log_error(NGX_LOG_EMERG, log, errno, "fork() failed"); |
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15 return NGX_ERROR; |
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16 |
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17 case 0: |
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18 break; |
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19 |
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20 default: |
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21 exit(0); |
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22 } |
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23 |
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nginx-0.0.1-2003-05-12-19:52:24 import
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24 if (setsid() == -1) { |
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25 ngx_log_error(NGX_LOG_EMERG, log, 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 #if (__SVR4 || linux) |
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30 |
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31 /* need HUP IGN ? check in Solaris and Linux */ |
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32 |
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33 switch (fork()) { |
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34 case -1: |
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35 ngx_log_error(NGX_LOG_EMERG, log, errno, "fork() failed"); |
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36 return NGX_ERROR; |
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37 |
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38 case 0: |
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39 break; |
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40 |
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41 default: |
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42 exit(0); |
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43 } |
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44 |
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45 #endif |
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46 |
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47 umask(0); |
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48 |
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49 #if 0 |
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50 fd = open("/dev/null", O_RDWR); |
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51 if (fd == -1) { |
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52 ngx_log_error(NGX_LOG_EMERG, log, errno, "open(\"/dev/null\") failed"); |
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53 return NGX_ERROR; |
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54 } |
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55 |
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56 if (dup2(fd, STDIN_FILENO) == -1) { |
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57 ngx_log_error(NGX_LOG_EMERG, log, errno, "dup2(STDIN) failed"); |
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58 return NGX_ERROR; |
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59 } |
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60 |
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61 if (dup2(fd, STDOUT_FILENO) == -1) { |
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62 ngx_log_error(NGX_LOG_EMERG, log, errno, "dup2(STDOUT) failed"); |
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63 return NGX_ERROR; |
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64 } |
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65 |
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66 if (dup2(fd, STDERR_FILENO) == -1) { |
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67 ngx_log_error(NGX_LOG_EMERG, log, errno, "dup2(STDERR) failed"); |
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68 return NGX_ERROR; |
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69 } |
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70 |
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71 if (fd > STDERR_FILENO) { |
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72 if (close(fd) == -1) { |
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73 ngx_log_error(NGX_LOG_EMERG, log, errno, "close() failed"); |
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74 return NGX_ERROR; |
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75 } |
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76 } |
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77 #endif |
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78 |
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79 return NGX_OK; |
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80 } |