Mercurial > hg > nginx-quic
annotate src/os/unix/ngx_daemon.c @ 4526:e954f40fc28b
Updated OpenSSL and PCRE used for win32 builds.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Thu, 15 Mar 2012 01:57:09 +0000 |
parents | d620f497c50f |
children | b1ba43f905f8 |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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7 |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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10 |
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499 | 12 ngx_int_t ngx_daemon(ngx_log_t *log) |
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13 { |
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14 int fd; |
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15 |
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16 switch (fork()) { |
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17 case -1: |
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18 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "fork() failed"); |
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19 return NGX_ERROR; |
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20 |
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21 case 0: |
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22 break; |
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23 |
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24 default: |
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25 exit(0); |
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26 } |
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27 |
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28 ngx_pid = ngx_getpid(); |
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29 |
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30 if (setsid() == -1) { |
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31 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "setsid() failed"); |
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32 return NGX_ERROR; |
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33 } |
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34 |
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35 umask(0); |
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36 |
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37 fd = open("/dev/null", O_RDWR); |
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38 if (fd == -1) { |
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39 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, |
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40 "open(\"/dev/null\") failed"); |
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41 return NGX_ERROR; |
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42 } |
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43 |
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44 if (dup2(fd, STDIN_FILENO) == -1) { |
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45 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "dup2(STDIN) failed"); |
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46 return NGX_ERROR; |
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47 } |
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48 |
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49 if (dup2(fd, STDOUT_FILENO) == -1) { |
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50 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "dup2(STDOUT) failed"); |
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51 return NGX_ERROR; |
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52 } |
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53 |
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54 #if 0 |
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55 if (dup2(fd, STDERR_FILENO) == -1) { |
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56 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "dup2(STDERR) failed"); |
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57 return NGX_ERROR; |
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58 } |
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59 #endif |
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60 |
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61 if (fd > STDERR_FILENO) { |
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62 if (close(fd) == -1) { |
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63 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "close() failed"); |
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64 return NGX_ERROR; |
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65 } |
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66 } |
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67 |
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68 return NGX_OK; |
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69 } |