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0
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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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5
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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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88
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9 #include <nginx.h>
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0
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10
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11
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22
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12 ngx_int_t ngx_ncpu;
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13 ngx_int_t ngx_max_sockets;
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14 ngx_uint_t ngx_inherited_nonblocking;
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15 ngx_uint_t ngx_tcp_nodelay_and_tcp_nopush;
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0
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16
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17
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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
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88
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30 ngx_int_t
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31 ngx_os_init(ngx_log_t *log)
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4
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32 {
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88
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33 #if (NGX_HAVE_OS_SPECIFIC_INIT)
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34 if (ngx_os_specific_init(log) != NGX_OK) {
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35 return NGX_ERROR;
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36 }
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37 #endif
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0
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38
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58
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39 ngx_init_setproctitle(log);
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40
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0
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41 ngx_pagesize = getpagesize();
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138
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42 ngx_cacheline_size = NGX_CPU_CACHE_LINE;
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0
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43
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44 if (ngx_ncpu == 0) {
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45 ngx_ncpu = 1;
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46 }
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47
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160
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48 ngx_cpuinfo();
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49
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0
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50 if (getrlimit(RLIMIT_NOFILE, &rlmt) == -1) {
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51 ngx_log_error(NGX_LOG_ALERT, log, errno,
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52 "getrlimit(RLIMIT_NOFILE) failed)");
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53 return NGX_ERROR;
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54 }
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126
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55
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112
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56 ngx_max_sockets = (ngx_int_t) rlmt.rlim_cur;
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0
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57
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18
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58 #if (NGX_HAVE_INHERITED_NONBLOCK)
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0
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59 ngx_inherited_nonblocking = 1;
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60 #else
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61 ngx_inherited_nonblocking = 0;
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62 #endif
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63
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64 return NGX_OK;
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65 }
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66
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67
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88
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68 void
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69 ngx_os_status(ngx_log_t *log)
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0
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70 {
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90
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71 ngx_log_error(NGX_LOG_NOTICE, log, 0, NGINX_VER);
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72
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106
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73 #ifdef NGX_COMPILER
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74 ngx_log_error(NGX_LOG_NOTICE, log, 0, "built by " NGX_COMPILER);
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75 #endif
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76
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88
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77 #if (NGX_HAVE_OS_SPECIFIC_INIT)
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78 ngx_os_specific_status(log);
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79 #endif
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80
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80
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81 ngx_log_error(NGX_LOG_NOTICE, log, 0,
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10
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82 "getrlimit(RLIMIT_NOFILE): %r:%r",
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0
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83 rlmt.rlim_cur, rlmt.rlim_max);
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84 }
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85
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86
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88
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87 ngx_int_t
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88 ngx_posix_post_conf_init(ngx_log_t *log)
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0
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89 {
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90 ngx_fd_t pp[2];
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91
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92 if (pipe(pp) == -1) {
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93 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "pipe() failed");
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94 return NGX_ERROR;
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95 }
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96
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97 if (dup2(pp[1], STDERR_FILENO) == -1) {
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98 ngx_log_error(NGX_LOG_EMERG, log, errno, "dup2(STDERR) failed");
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99 return NGX_ERROR;
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100 }
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101
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102 if (pp[1] > STDERR_FILENO) {
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103 if (close(pp[1]) == -1) {
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104 ngx_log_error(NGX_LOG_EMERG, log, errno, "close() failed");
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105 return NGX_ERROR;
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106 }
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107 }
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108
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109 return NGX_OK;
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110 }
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