Mercurial > hg > nginx-quic
annotate src/os/unix/ngx_daemon.c @ 2660:2ca36a62c8a1
autoconfigure crypt_r(): uclibc has no crypt_r()
author | Igor Sysoev <igor@sysoev.ru> |
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date | Thu, 02 Apr 2009 13:46:39 +0000 |
parents | 64d9afb209da |
children | d620f497c50f |
rev | line source |
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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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6 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 |
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499 | 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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14 |
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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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26 |
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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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42 |
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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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59 |
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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 } |