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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344
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11 u_char ngx_linux_kern_ostype[50];
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12 u_char ngx_linux_kern_osrelease[50];
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222
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13
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14 int ngx_linux_rtsig_max;
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0
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15
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16
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88
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17 static ngx_os_io_t ngx_linux_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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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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42
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31 ngx_int_t
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88
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32 ngx_os_specific_init(ngx_log_t *log)
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33 {
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344
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34 int name[2];
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35 size_t len;
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36 ngx_err_t err;
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37 struct utsname u;
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0
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38
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344
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39 if (uname(&u) == -1) {
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40 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, "uname() failed");
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41 return NGX_ERROR;
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42 }
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43
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344
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44 (void) ngx_cpystrn(ngx_linux_kern_ostype, (u_char *) u.sysname,
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45 sizeof(ngx_linux_kern_ostype));
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46
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344
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47 (void) ngx_cpystrn(ngx_linux_kern_osrelease, (u_char *) u.release,
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48 sizeof(ngx_linux_kern_osrelease));
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0
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49
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222
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50 name[0] = CTL_KERN;
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51 name[1] = KERN_RTSIGMAX;
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52 len = sizeof(ngx_linux_rtsig_max);
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42
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53
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54 if (sysctl(name, 2, &ngx_linux_rtsig_max, &len, NULL, 0) == -1) {
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16
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55 err = ngx_errno;
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56
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222
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57 if (err != NGX_ENOTDIR && err != NGX_ENOSYS) {
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16
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58 ngx_log_error(NGX_LOG_ALERT, log, err,
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59 "sysctl(KERN_RTSIGMAX) failed");
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60
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61 return NGX_ERROR;
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62 }
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63
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0
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64 ngx_linux_rtsig_max = 0;
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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 ngx_os_io = ngx_linux_io;
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69
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70 return NGX_OK;
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71 }
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72
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73
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42
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74 void
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88
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75 ngx_os_specific_status(ngx_log_t *log)
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76 {
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80
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77 ngx_log_error(NGX_LOG_NOTICE, log, 0, "OS: %s %s",
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78 ngx_linux_kern_ostype, ngx_linux_kern_osrelease);
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79
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80
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80 ngx_log_error(NGX_LOG_NOTICE, log, 0, "sysctl(KERN_RTSIGMAX): %d",
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81 ngx_linux_rtsig_max);
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82 }
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