Mercurial > hg > nginx-quic

annotate src/os/unix/ngx_linux_init.c @ 4403:c8b9f62cb414

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Fixed sched_setaffinity(2) to correctly pass size. Second argument (cpusetsize) is size in bytes, not in bits. Previously used constant 32 resulted in reading of uninitialized memory and caused EINVAL to be returned on some Linux kernels.
author Maxim Dounin <mdounin@mdounin.ru>
date Mon, 16 Jan 2012 11:13:48 +0000
parents cf148caa9347
children d620f497c50f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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1
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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2e069b6e6920 nginx-0.0.1-2003-06-04-21:28:33 import
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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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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14 int ngx_linux_rtsig_max;
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17 static ngx_os_io_t ngx_linux_io = {
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2e069b6e6920 nginx-0.0.1-2003-06-04-21:28:33 import
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18 ngx_unix_recv,
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19 ngx_readv_chain,
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20 ngx_udp_unix_recv,
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0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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21 ngx_unix_send,
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22 #if (NGX_HAVE_SENDFILE)
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23 ngx_linux_sendfile_chain,
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24 NGX_IO_SENDFILE
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25 #else
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26 ngx_writev_chain,
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27 0
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28 #endif
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29 };
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32 ngx_int_t
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33 ngx_os_specific_init(ngx_log_t *log)
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34 {
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35 struct utsname u;
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36
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37 if (uname(&u) == -1) {
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38 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, "uname() failed");
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39 return NGX_ERROR;
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40 }
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41
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42 (void) ngx_cpystrn(ngx_linux_kern_ostype, (u_char *) u.sysname,
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43 sizeof(ngx_linux_kern_ostype));
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44
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45 (void) ngx_cpystrn(ngx_linux_kern_osrelease, (u_char *) u.release,
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46 sizeof(ngx_linux_kern_osrelease));
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47
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48 #if (NGX_HAVE_RTSIG)
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49 {
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50 int name[2];
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51 size_t len;
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52 ngx_err_t err;
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53
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54 name[0] = CTL_KERN;
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55 name[1] = KERN_RTSIGMAX;
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56 len = sizeof(ngx_linux_rtsig_max);
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57
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58 if (sysctl(name, 2, &ngx_linux_rtsig_max, &len, NULL, 0) == -1) {
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59 err = ngx_errno;
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60
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61 if (err != NGX_ENOTDIR && err != NGX_ENOSYS) {
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62 ngx_log_error(NGX_LOG_ALERT, log, err,
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63 "sysctl(KERN_RTSIGMAX) failed");
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64
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65 return NGX_ERROR;
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66 }
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67
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68 ngx_linux_rtsig_max = 0;
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69 }
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71 }
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72 #endif
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73
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74 ngx_os_io = ngx_linux_io;
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75
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76 return NGX_OK;
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77 }
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80 void
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81 ngx_os_specific_status(ngx_log_t *log)
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82 {
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83 ngx_log_error(NGX_LOG_NOTICE, 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 #if (NGX_HAVE_RTSIG)
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87 ngx_log_error(NGX_LOG_NOTICE, log, 0, "sysctl(KERN_RTSIGMAX): %d",
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88 ngx_linux_rtsig_max);
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89 #endif
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90 }