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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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9
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10
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11 char ngx_linux_kern_ostype[50];
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12 char ngx_linux_kern_osrelease[20];
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13
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14 int ngx_linux_rtsig_max;
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15
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16
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17 ngx_os_io_t ngx_os_io = {
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18 ngx_unix_recv,
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19 ngx_readv_chain,
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20 ngx_unix_send,
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18
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21 #if (NGX_HAVE_SENDFILE)
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0
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22 ngx_linux_sendfile_chain,
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23 NGX_IO_SENDFILE
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24 #else
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25 ngx_writev_chain,
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26 0
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27 #endif
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28 };
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29
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30
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31 ngx_int_t ngx_os_init(ngx_log_t *log)
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32 {
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16
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33 int name[2];
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34 size_t len;
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35 ngx_err_t err;
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0
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36
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37 name[0] = CTL_KERN;
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38 name[1] = KERN_OSTYPE;
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39 len = sizeof(ngx_linux_kern_ostype);
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40 if (sysctl(name, sizeof(name), ngx_linux_kern_ostype, &len, NULL, 0)
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41 == -1) {
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42 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
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43 "sysctl(KERN_OSTYPE) failed");
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44 return NGX_ERROR;
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45 }
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46
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47 name[0] = CTL_KERN;
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48 name[1] = KERN_OSRELEASE;
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49 len = sizeof(ngx_linux_kern_osrelease);
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50 if (sysctl(name, sizeof(name), ngx_linux_kern_osrelease, &len, NULL, 0)
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51 == -1) {
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52 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
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53 "sysctl(KERN_OSRELEASE) failed");
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54 return NGX_ERROR;
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55 }
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56
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57
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58 name[0] = CTL_KERN;
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59 name[1] = KERN_RTSIGMAX;
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60 len = sizeof(ngx_linux_rtsig_max);
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61 if (sysctl(name, sizeof(name), &ngx_linux_rtsig_max, &len, NULL, 0) == -1) {
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16
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62 err = ngx_errno;
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63
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64 if (err != NGX_ENOTDIR) {
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65 ngx_log_error(NGX_LOG_ALERT, log, err,
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66 "sysctl(KERN_RTSIGMAX) failed");
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67
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68 return NGX_ERROR;
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69 }
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70
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0
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71 ngx_linux_rtsig_max = 0;
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72 }
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73
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2
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74 ngx_init_setproctitle(log);
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75
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0
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76
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77 return ngx_posix_init(log);
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78 }
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79
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80
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81 void ngx_os_status(ngx_log_t *log)
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82 {
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83 ngx_log_error(NGX_LOG_INFO, log, 0, "OS: %s %s",
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84 ngx_linux_kern_ostype, ngx_linux_kern_osrelease);
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85
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86 ngx_log_error(NGX_LOG_INFO, log, 0, "sysctl(KERN_RTSIGMAX): %d",
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87 ngx_linux_rtsig_max);
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88
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2
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89
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0
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90 ngx_posix_status(log);
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91 }
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