Mercurial > hg > nginx-quic
annotate src/os/unix/ngx_posix_init.c @ 4403:c8b9f62cb414
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> |
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date | Mon, 16 Jan 2012 11:13:48 +0000 |
parents | 8a8eb335313d |
children | d620f497c50f |
rev | line source |
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441
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1 |
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2 /* |
444
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3 * Copyright (C) Igor Sysoev |
441
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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> |
539 | 9 #include <nginx.h> |
93
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10 |
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11 |
473 | 12 ngx_int_t ngx_ncpu; |
13 ngx_int_t ngx_max_sockets; | |
14 ngx_uint_t ngx_inherited_nonblocking; | |
15 ngx_uint_t ngx_tcp_nodelay_and_tcp_nopush; | |
449
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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, |
1689 | 24 ngx_udp_unix_recv, |
2434
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25 ngx_unix_send, |
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26 ngx_writev_chain, |
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27 0 |
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28 }; |
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29 |
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30 |
539 | 31 ngx_int_t |
32 ngx_os_init(ngx_log_t *log) | |
455 | 33 { |
860
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34 ngx_uint_t n; |
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35 |
539 | 36 #if (NGX_HAVE_OS_SPECIFIC_INIT) |
37 if (ngx_os_specific_init(log) != NGX_OK) { | |
38 return NGX_ERROR; | |
39 } | |
40 #endif | |
93
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41 |
509 | 42 ngx_init_setproctitle(log); |
43 | |
346
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44 ngx_pagesize = getpagesize(); |
589 | 45 ngx_cacheline_size = NGX_CPU_CACHE_LINE; |
346
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46 |
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47 for (n = ngx_pagesize; n >>= 1; ngx_pagesize_shift++) { /* void */ } |
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48 |
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49 if (ngx_ncpu == 0) { |
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50 ngx_ncpu = 1; |
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51 } |
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52 |
611 | 53 ngx_cpuinfo(); |
54 | |
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55 if (getrlimit(RLIMIT_NOFILE, &rlmt) == -1) { |
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56 ngx_log_error(NGX_LOG_ALERT, log, errno, |
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57 "getrlimit(RLIMIT_NOFILE) failed)"); |
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58 return NGX_ERROR; |
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59 } |
577 | 60 |
563 | 61 ngx_max_sockets = (ngx_int_t) rlmt.rlim_cur; |
93
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62 |
3786 | 63 #if (NGX_HAVE_INHERITED_NONBLOCK || NGX_HAVE_ACCEPT4) |
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64 ngx_inherited_nonblocking = 1; |
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65 #else |
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66 ngx_inherited_nonblocking = 0; |
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67 #endif |
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68 |
800 | 69 srandom(ngx_time()); |
70 | |
93
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71 return NGX_OK; |
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72 } |
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73 |
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74 |
539 | 75 void |
76 ngx_os_status(ngx_log_t *log) | |
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77 { |
541 | 78 ngx_log_error(NGX_LOG_NOTICE, log, 0, NGINX_VER); |
79 | |
557 | 80 #ifdef NGX_COMPILER |
81 ngx_log_error(NGX_LOG_NOTICE, log, 0, "built by " NGX_COMPILER); | |
82 #endif | |
83 | |
539 | 84 #if (NGX_HAVE_OS_SPECIFIC_INIT) |
85 ngx_os_specific_status(log); | |
86 #endif | |
87 | |
531 | 88 ngx_log_error(NGX_LOG_NOTICE, log, 0, |
461 | 89 "getrlimit(RLIMIT_NOFILE): %r:%r", |
449
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90 rlmt.rlim_cur, rlmt.rlim_max); |
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91 } |
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92 |
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93 |
539 | 94 ngx_int_t |
95 ngx_posix_post_conf_init(ngx_log_t *log) | |
93
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96 { |
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97 ngx_fd_t pp[2]; |
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98 |
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99 if (pipe(pp) == -1) { |
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100 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "pipe() failed"); |
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101 return NGX_ERROR; |
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102 } |
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103 |
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104 if (dup2(pp[1], STDERR_FILENO) == -1) { |
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105 ngx_log_error(NGX_LOG_EMERG, log, errno, "dup2(STDERR) failed"); |
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106 return NGX_ERROR; |
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107 } |
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108 |
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109 if (pp[1] > STDERR_FILENO) { |
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110 if (close(pp[1]) == -1) { |
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111 ngx_log_error(NGX_LOG_EMERG, log, errno, "close() failed"); |
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112 return NGX_ERROR; |
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113 } |
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114 } |
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115 |
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116 return NGX_OK; |
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117 } |