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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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33 ngx_log_error(NGX_LOG_NOTICE, log, 0, NGINX_VER);
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0
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34
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88
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35 #if (NGX_HAVE_OS_SPECIFIC_INIT)
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36 if (ngx_os_specific_init(log) != NGX_OK) {
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37 return NGX_ERROR;
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38 }
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39 #endif
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0
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40
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58
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41 ngx_init_setproctitle(log);
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42
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0
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43 ngx_pagesize = getpagesize();
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44
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45 if (ngx_ncpu == 0) {
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46 ngx_ncpu = 1;
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47 }
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48
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49 if (getrlimit(RLIMIT_NOFILE, &rlmt) == -1) {
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50 ngx_log_error(NGX_LOG_ALERT, log, errno,
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51 "getrlimit(RLIMIT_NOFILE) failed)");
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52 return NGX_ERROR;
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53 }
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88
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54
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0
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55 ngx_max_sockets = rlmt.rlim_cur;
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56
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18
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57 #if (NGX_HAVE_INHERITED_NONBLOCK)
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0
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58 ngx_inherited_nonblocking = 1;
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59 #else
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60 ngx_inherited_nonblocking = 0;
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61 #endif
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62
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63 return NGX_OK;
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64 }
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65
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66
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88
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67 void
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68 ngx_os_status(ngx_log_t *log)
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0
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69 {
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70 #if (NGX_HAVE_OS_SPECIFIC_INIT)
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71 ngx_os_specific_status(log);
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72 #endif
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73
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80
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74 ngx_log_error(NGX_LOG_NOTICE, log, 0,
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75 "getrlimit(RLIMIT_NOFILE): %r:%r",
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76 rlmt.rlim_cur, rlmt.rlim_max);
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77 }
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78
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79
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80 ngx_int_t
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81 ngx_posix_post_conf_init(ngx_log_t *log)
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0
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82 {
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83 ngx_fd_t pp[2];
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84
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85 if (pipe(pp) == -1) {
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86 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "pipe() failed");
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87 return NGX_ERROR;
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88 }
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89
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90 if (dup2(pp[1], STDERR_FILENO) == -1) {
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91 ngx_log_error(NGX_LOG_EMERG, log, errno, "dup2(STDERR) failed");
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92 return NGX_ERROR;
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93 }
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94
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95 if (pp[1] > STDERR_FILENO) {
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96 if (close(pp[1]) == -1) {
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97 ngx_log_error(NGX_LOG_EMERG, log, errno, "close() failed");
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98 return NGX_ERROR;
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99 }
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100 }
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101
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102 return NGX_OK;
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103 }
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