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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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660
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4 * Copyright (C) Nginx, Inc.
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0
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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>
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10
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11
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344
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12 u_char ngx_linux_kern_ostype[50];
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13 u_char ngx_linux_kern_osrelease[50];
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222
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14
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366
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15 int ngx_linux_rtsig_max;
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0
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16
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17
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88
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18 static ngx_os_io_t ngx_linux_io = {
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0
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19 ngx_unix_recv,
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20 ngx_readv_chain,
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354
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21 ngx_udp_unix_recv,
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0
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22 ngx_unix_send,
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18
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23 #if (NGX_HAVE_SENDFILE)
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24 ngx_linux_sendfile_chain,
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25 NGX_IO_SENDFILE
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26 #else
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27 ngx_writev_chain,
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28 0
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29 #endif
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30 };
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31
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32
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42
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33 ngx_int_t
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88
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34 ngx_os_specific_init(ngx_log_t *log)
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0
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35 {
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344
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36 struct utsname u;
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0
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37
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344
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38 if (uname(&u) == -1) {
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39 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, "uname() failed");
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0
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40 return NGX_ERROR;
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41 }
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42
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344
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43 (void) ngx_cpystrn(ngx_linux_kern_ostype, (u_char *) u.sysname,
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44 sizeof(ngx_linux_kern_ostype));
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0
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45
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344
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46 (void) ngx_cpystrn(ngx_linux_kern_osrelease, (u_char *) u.release,
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47 sizeof(ngx_linux_kern_osrelease));
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0
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48
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366
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49 #if (NGX_HAVE_RTSIG)
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50 {
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51 int name[2];
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52 size_t len;
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53 ngx_err_t err;
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54
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222
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55 name[0] = CTL_KERN;
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0
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56 name[1] = KERN_RTSIGMAX;
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57 len = sizeof(ngx_linux_rtsig_max);
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42
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58
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59 if (sysctl(name, 2, &ngx_linux_rtsig_max, &len, NULL, 0) == -1) {
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16
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60 err = ngx_errno;
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61
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222
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62 if (err != NGX_ENOTDIR && err != NGX_ENOSYS) {
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16
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63 ngx_log_error(NGX_LOG_ALERT, log, err,
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64 "sysctl(KERN_RTSIGMAX) failed");
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65
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66 return NGX_ERROR;
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67 }
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68
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69 ngx_linux_rtsig_max = 0;
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70 }
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71
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366
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72 }
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73 #endif
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0
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74
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88
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75 ngx_os_io = ngx_linux_io;
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76
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77 return NGX_OK;
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0
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78 }
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79
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80
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42
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81 void
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88
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82 ngx_os_specific_status(ngx_log_t *log)
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0
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83 {
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80
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84 ngx_log_error(NGX_LOG_NOTICE, log, 0, "OS: %s %s",
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0
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85 ngx_linux_kern_ostype, ngx_linux_kern_osrelease);
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86
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366
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87 #if (NGX_HAVE_RTSIG)
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80
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88 ngx_log_error(NGX_LOG_NOTICE, log, 0, "sysctl(KERN_RTSIGMAX): %d",
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0
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89 ngx_linux_rtsig_max);
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366
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90 #endif
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0
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91 }
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