Mercurial > hg > nginx
annotate src/os/unix/ngx_posix_init.c @ 5868:6bbad2e73245
Fixed counting of sent bytes in the send chain functions on EINTR.
Previously, a value of the "send" variable wasn't properly adjusted
in a rare case when syscall was interrupted by a signal. As a result,
these functions could send less data than the limit allows.
author | Valentin Bartenev <vbart@nginx.com> |
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date | Wed, 27 Aug 2014 20:51:01 +0400 |
parents | 16013b71feed |
children | cb31017e961b |
rev | line source |
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441
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nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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1 |
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2 /* |
444
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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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> |
539 | 10 #include <nginx.h> |
93
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11 |
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12 |
473 | 13 ngx_int_t ngx_ncpu; |
14 ngx_int_t ngx_max_sockets; | |
15 ngx_uint_t ngx_inherited_nonblocking; | |
16 ngx_uint_t ngx_tcp_nodelay_and_tcp_nopush; | |
449
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17 |
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18 |
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19 struct rlimit rlmt; |
93
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20 |
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21 |
355
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22 ngx_os_io_t ngx_os_io = { |
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23 ngx_unix_recv, |
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24 ngx_readv_chain, |
1689 | 25 ngx_udp_unix_recv, |
2434
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set send() slot for POSIX systems
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26 ngx_unix_send, |
355
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27 ngx_writev_chain, |
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28 0 |
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29 }; |
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30 |
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31 |
539 | 32 ngx_int_t |
33 ngx_os_init(ngx_log_t *log) | |
455 | 34 { |
860
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35 ngx_uint_t n; |
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36 |
539 | 37 #if (NGX_HAVE_OS_SPECIFIC_INIT) |
38 if (ngx_os_specific_init(log) != NGX_OK) { | |
39 return NGX_ERROR; | |
40 } | |
41 #endif | |
93
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42 |
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Added ngx_init_setproctitle() return code check.
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43 if (ngx_init_setproctitle(log) != NGX_OK) { |
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Added ngx_init_setproctitle() return code check.
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44 return NGX_ERROR; |
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Added ngx_init_setproctitle() return code check.
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45 } |
509 | 46 |
346
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47 ngx_pagesize = getpagesize(); |
589 | 48 ngx_cacheline_size = NGX_CPU_CACHE_LINE; |
346
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49 |
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50 for (n = ngx_pagesize; n >>= 1; ngx_pagesize_shift++) { /* void */ } |
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51 |
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Added ngx_ncpu detection for most *nix platforms.
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52 #if (NGX_HAVE_SC_NPROCESSORS_ONLN) |
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53 if (ngx_ncpu == 0) { |
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54 ngx_ncpu = sysconf(_SC_NPROCESSORS_ONLN); |
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Added ngx_ncpu detection for most *nix platforms.
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55 } |
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56 #endif |
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57 |
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58 if (ngx_ncpu < 1) { |
373
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59 ngx_ncpu = 1; |
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60 } |
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61 |
611 | 62 ngx_cpuinfo(); |
63 | |
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64 if (getrlimit(RLIMIT_NOFILE, &rlmt) == -1) { |
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65 ngx_log_error(NGX_LOG_ALERT, log, errno, |
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66 "getrlimit(RLIMIT_NOFILE) failed)"); |
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67 return NGX_ERROR; |
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68 } |
577 | 69 |
563 | 70 ngx_max_sockets = (ngx_int_t) rlmt.rlim_cur; |
93
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71 |
3786 | 72 #if (NGX_HAVE_INHERITED_NONBLOCK || NGX_HAVE_ACCEPT4) |
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73 ngx_inherited_nonblocking = 1; |
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74 #else |
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75 ngx_inherited_nonblocking = 0; |
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76 #endif |
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77 |
800 | 78 srandom(ngx_time()); |
79 | |
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80 return NGX_OK; |
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81 } |
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82 |
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83 |
539 | 84 void |
85 ngx_os_status(ngx_log_t *log) | |
449
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86 { |
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87 ngx_log_error(NGX_LOG_NOTICE, log, 0, NGINX_VER_BUILD); |
541 | 88 |
557 | 89 #ifdef NGX_COMPILER |
90 ngx_log_error(NGX_LOG_NOTICE, log, 0, "built by " NGX_COMPILER); | |
91 #endif | |
92 | |
539 | 93 #if (NGX_HAVE_OS_SPECIFIC_INIT) |
94 ngx_os_specific_status(log); | |
95 #endif | |
96 | |
531 | 97 ngx_log_error(NGX_LOG_NOTICE, log, 0, |
461 | 98 "getrlimit(RLIMIT_NOFILE): %r:%r", |
449
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99 rlmt.rlim_cur, rlmt.rlim_max); |
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100 } |
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101 |
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102 |
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103 #if 0 |
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104 |
539 | 105 ngx_int_t |
106 ngx_posix_post_conf_init(ngx_log_t *log) | |
93
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107 { |
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108 ngx_fd_t pp[2]; |
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109 |
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110 if (pipe(pp) == -1) { |
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111 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "pipe() failed"); |
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112 return NGX_ERROR; |
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113 } |
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114 |
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115 if (dup2(pp[1], STDERR_FILENO) == -1) { |
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116 ngx_log_error(NGX_LOG_EMERG, log, errno, "dup2(STDERR) failed"); |
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117 return NGX_ERROR; |
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118 } |
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119 |
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120 if (pp[1] > STDERR_FILENO) { |
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121 if (close(pp[1]) == -1) { |
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122 ngx_log_error(NGX_LOG_EMERG, log, errno, "close() failed"); |
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123 return NGX_ERROR; |
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124 } |
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125 } |
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126 |
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127 return NGX_OK; |
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128 } |
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129 |
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130 #endif |