Mercurial > hg > nginx
annotate src/os/unix/ngx_posix_init.c @ 1012:11ffb8e4753f
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author | Igor Sysoev <igor@sysoev.ru> |
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date | Thu, 11 Jan 2007 16:57:30 +0000 |
parents | 201d017ea470 |
children | 0b592a68aade |
rev | line source |
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441
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
441
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4 */ |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
539 | 9 #include <nginx.h> |
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10 |
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11 |
473 | 12 ngx_int_t ngx_ncpu; |
13 ngx_int_t ngx_max_sockets; | |
14 ngx_uint_t ngx_inherited_nonblocking; | |
15 ngx_uint_t ngx_tcp_nodelay_and_tcp_nopush; | |
449
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16 |
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18 struct rlimit rlmt; |
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19 |
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20 |
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21 ngx_os_io_t ngx_os_io = { |
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22 ngx_unix_recv, |
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23 ngx_readv_chain, |
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24 NULL, |
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25 ngx_writev_chain, |
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26 0 |
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27 }; |
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28 |
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29 |
539 | 30 ngx_int_t |
31 ngx_os_init(ngx_log_t *log) | |
455 | 32 { |
860
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33 ngx_uint_t n; |
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34 |
539 | 35 #if (NGX_HAVE_OS_SPECIFIC_INIT) |
36 if (ngx_os_specific_init(log) != NGX_OK) { | |
37 return NGX_ERROR; | |
38 } | |
39 #endif | |
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40 |
509 | 41 ngx_init_setproctitle(log); |
42 | |
346
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43 ngx_pagesize = getpagesize(); |
589 | 44 ngx_cacheline_size = NGX_CPU_CACHE_LINE; |
346
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45 |
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46 n = ngx_pagesize; |
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47 |
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48 for (n = ngx_pagesize; n >>= 1; ngx_pagesize_shift++) { /* void */ } |
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49 |
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50 if (ngx_ncpu == 0) { |
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51 ngx_ncpu = 1; |
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52 } |
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53 |
611 | 54 ngx_cpuinfo(); |
55 | |
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56 if (getrlimit(RLIMIT_NOFILE, &rlmt) == -1) { |
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57 ngx_log_error(NGX_LOG_ALERT, log, errno, |
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58 "getrlimit(RLIMIT_NOFILE) failed)"); |
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59 return NGX_ERROR; |
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60 } |
577 | 61 |
563 | 62 ngx_max_sockets = (ngx_int_t) rlmt.rlim_cur; |
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63 |
469 | 64 #if (NGX_HAVE_INHERITED_NONBLOCK) |
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65 ngx_inherited_nonblocking = 1; |
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66 #else |
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67 ngx_inherited_nonblocking = 0; |
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68 #endif |
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69 |
800 | 70 srandom(ngx_time()); |
71 | |
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72 return NGX_OK; |
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73 } |
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74 |
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75 |
539 | 76 void |
77 ngx_os_status(ngx_log_t *log) | |
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78 { |
541 | 79 ngx_log_error(NGX_LOG_NOTICE, log, 0, NGINX_VER); |
80 | |
557 | 81 #ifdef NGX_COMPILER |
82 ngx_log_error(NGX_LOG_NOTICE, log, 0, "built by " NGX_COMPILER); | |
83 #endif | |
84 | |
539 | 85 #if (NGX_HAVE_OS_SPECIFIC_INIT) |
86 ngx_os_specific_status(log); | |
87 #endif | |
88 | |
531 | 89 ngx_log_error(NGX_LOG_NOTICE, log, 0, |
461 | 90 "getrlimit(RLIMIT_NOFILE): %r:%r", |
449
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91 rlmt.rlim_cur, rlmt.rlim_max); |
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92 } |
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93 |
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94 |
539 | 95 ngx_int_t |
96 ngx_posix_post_conf_init(ngx_log_t *log) | |
93
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97 { |
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98 ngx_fd_t pp[2]; |
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99 |
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100 if (pipe(pp) == -1) { |
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101 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "pipe() failed"); |
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102 return NGX_ERROR; |
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103 } |
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104 |
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105 if (dup2(pp[1], STDERR_FILENO) == -1) { |
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106 ngx_log_error(NGX_LOG_EMERG, log, errno, "dup2(STDERR) failed"); |
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107 return NGX_ERROR; |
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108 } |
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109 |
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110 if (pp[1] > STDERR_FILENO) { |
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111 if (close(pp[1]) == -1) { |
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112 ngx_log_error(NGX_LOG_EMERG, log, errno, "close() failed"); |
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113 return NGX_ERROR; |
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114 } |
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115 } |
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116 |
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117 return NGX_OK; |
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118 } |