Mercurial > hg > nginx-quic
annotate src/os/unix/ngx_posix_init.c @ 4749:613750237b36
Entity tags: the "etag" directive.
It allows to disable generation of nginx's own entity tags, while
still handling ETags in cache properly. This may be useful e.g.
if one want to serve static files from servers with different ETag
generation algorithms.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Mon, 09 Jul 2012 14:53:42 +0000 |
parents | ccb2f8e3d08d |
children | 4c36e15651f7 |
rev | line source |
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441
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1 |
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2 /* |
444
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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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6 |
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7 |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
539 | 10 #include <nginx.h> |
93
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11 |
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12 |
473 | 13 ngx_int_t ngx_ncpu; |
14 ngx_int_t ngx_max_sockets; | |
15 ngx_uint_t ngx_inherited_nonblocking; | |
16 ngx_uint_t ngx_tcp_nodelay_and_tcp_nopush; | |
449
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17 |
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18 |
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19 struct rlimit rlmt; |
93
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20 |
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21 |
355
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22 ngx_os_io_t ngx_os_io = { |
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23 ngx_unix_recv, |
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24 ngx_readv_chain, |
1689 | 25 ngx_udp_unix_recv, |
2434
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26 ngx_unix_send, |
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27 ngx_writev_chain, |
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28 0 |
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29 }; |
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30 |
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31 |
539 | 32 ngx_int_t |
33 ngx_os_init(ngx_log_t *log) | |
455 | 34 { |
860
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35 ngx_uint_t n; |
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36 |
539 | 37 #if (NGX_HAVE_OS_SPECIFIC_INIT) |
38 if (ngx_os_specific_init(log) != NGX_OK) { | |
39 return NGX_ERROR; | |
40 } | |
41 #endif | |
93
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42 |
509 | 43 ngx_init_setproctitle(log); |
44 | |
346
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45 ngx_pagesize = getpagesize(); |
589 | 46 ngx_cacheline_size = NGX_CPU_CACHE_LINE; |
346
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47 |
860
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48 for (n = ngx_pagesize; n >>= 1; ngx_pagesize_shift++) { /* void */ } |
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49 |
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Added ngx_ncpu detection for most *nix platforms.
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50 #if (NGX_HAVE_SC_NPROCESSORS_ONLN) |
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51 if (ngx_ncpu == 0) { |
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52 ngx_ncpu = sysconf(_SC_NPROCESSORS_ONLN); |
ccb2f8e3d08d
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53 } |
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54 #endif |
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55 |
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56 if (ngx_ncpu < 1) { |
373
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57 ngx_ncpu = 1; |
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58 } |
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59 |
611 | 60 ngx_cpuinfo(); |
61 | |
93
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62 if (getrlimit(RLIMIT_NOFILE, &rlmt) == -1) { |
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63 ngx_log_error(NGX_LOG_ALERT, log, errno, |
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64 "getrlimit(RLIMIT_NOFILE) failed)"); |
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65 return NGX_ERROR; |
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66 } |
577 | 67 |
563 | 68 ngx_max_sockets = (ngx_int_t) rlmt.rlim_cur; |
93
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69 |
3786 | 70 #if (NGX_HAVE_INHERITED_NONBLOCK || NGX_HAVE_ACCEPT4) |
93
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71 ngx_inherited_nonblocking = 1; |
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72 #else |
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73 ngx_inherited_nonblocking = 0; |
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74 #endif |
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75 |
800 | 76 srandom(ngx_time()); |
77 | |
93
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78 return NGX_OK; |
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79 } |
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80 |
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81 |
539 | 82 void |
83 ngx_os_status(ngx_log_t *log) | |
449
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84 { |
541 | 85 ngx_log_error(NGX_LOG_NOTICE, log, 0, NGINX_VER); |
86 | |
557 | 87 #ifdef NGX_COMPILER |
88 ngx_log_error(NGX_LOG_NOTICE, log, 0, "built by " NGX_COMPILER); | |
89 #endif | |
90 | |
539 | 91 #if (NGX_HAVE_OS_SPECIFIC_INIT) |
92 ngx_os_specific_status(log); | |
93 #endif | |
94 | |
531 | 95 ngx_log_error(NGX_LOG_NOTICE, log, 0, |
461 | 96 "getrlimit(RLIMIT_NOFILE): %r:%r", |
449
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97 rlmt.rlim_cur, rlmt.rlim_max); |
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98 } |
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99 |
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100 |
539 | 101 ngx_int_t |
102 ngx_posix_post_conf_init(ngx_log_t *log) | |
93
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103 { |
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104 ngx_fd_t pp[2]; |
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105 |
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106 if (pipe(pp) == -1) { |
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107 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "pipe() failed"); |
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108 return NGX_ERROR; |
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109 } |
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110 |
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111 if (dup2(pp[1], STDERR_FILENO) == -1) { |
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112 ngx_log_error(NGX_LOG_EMERG, log, errno, "dup2(STDERR) failed"); |
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113 return NGX_ERROR; |
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114 } |
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115 |
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116 if (pp[1] > STDERR_FILENO) { |
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117 if (close(pp[1]) == -1) { |
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118 ngx_log_error(NGX_LOG_EMERG, log, errno, "close() failed"); |
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119 return NGX_ERROR; |
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120 } |
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121 } |
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122 |
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123 return NGX_OK; |
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124 } |