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390
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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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11 char ngx_darwin_kern_ostype[16];
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12 char ngx_darwin_kern_osrelease[128];
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13 int ngx_darwin_hw_ncpu;
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14 int ngx_darwin_kern_ipc_somaxconn;
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15 u_long ngx_darwin_net_inet_tcp_sendspace;
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16
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17
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18 static ngx_os_io_t ngx_darwin_io = {
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19 ngx_unix_recv,
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20 ngx_readv_chain,
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21 ngx_udp_unix_recv,
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22 ngx_unix_send,
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23 #if (NGX_HAVE_SENDFILE)
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24 ngx_darwin_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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33 typedef struct {
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34 char *name;
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35 void *value;
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36 size_t size;
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37 ngx_uint_t exists;
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38 } sysctl_t;
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39
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40
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41 sysctl_t sysctls[] = {
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42 { "hw.ncpu",
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43 &ngx_darwin_hw_ncpu,
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44 sizeof(ngx_darwin_hw_ncpu), 0 },
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45
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46 { "net.inet.tcp.sendspace",
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47 &ngx_darwin_net_inet_tcp_sendspace,
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48 sizeof(ngx_darwin_net_inet_tcp_sendspace), 0 },
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49
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50 { "kern.ipc.somaxconn",
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51 &ngx_darwin_kern_ipc_somaxconn,
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52 sizeof(ngx_darwin_kern_ipc_somaxconn), 0 },
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53
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54 { NULL, NULL, 0, 0 }
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55 };
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56
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57
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58 ngx_int_t
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59 ngx_os_specific_init(ngx_log_t *log)
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60 {
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61 int somaxconn;
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62 size_t size;
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63 ngx_err_t err;
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64 ngx_uint_t i;
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65
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66 size = sizeof(ngx_darwin_kern_ostype);
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67 if (sysctlbyname("kern.ostype",
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68 ngx_darwin_kern_ostype, &size, NULL, 0) == -1) {
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69 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
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70 "sysctlbyname(kern.ostype) failed");
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71
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72 if (ngx_errno != NGX_ENOMEM) {
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73 return NGX_ERROR;
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74 }
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75
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76 ngx_darwin_kern_ostype[size - 1] = '\0';
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77 }
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78
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79 size = sizeof(ngx_darwin_kern_osrelease);
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80 if (sysctlbyname("kern.osrelease",
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81 ngx_darwin_kern_osrelease, &size, NULL, 0) == -1) {
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82 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
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83 "sysctlbyname(kern.osrelease) failed");
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84
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85 if (ngx_errno != NGX_ENOMEM) {
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86 return NGX_ERROR;
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87 }
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88
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89 ngx_darwin_kern_osrelease[size - 1] = '\0';
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90 }
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91
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92
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93 for (i = 0; sysctls[i].name; i++) {
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94 size = sysctls[i].size;
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95
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96 if (sysctlbyname(sysctls[i].name, sysctls[i].value, &size, NULL, 0)
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97 == 0)
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98 {
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99 sysctls[i].exists = 1;
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100 continue;
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101 }
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102
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103 err = ngx_errno;
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104
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105 if (err == NGX_ENOENT) {
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106 continue;
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107 }
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108
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109 ngx_log_error(NGX_LOG_ALERT, log, err,
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110 "sysctlbyname(%s) failed", sysctls[i].name);
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111 return NGX_ERROR;
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112 }
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113
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114 ngx_ncpu = ngx_darwin_hw_ncpu;
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115
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116 somaxconn = 32676;
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117
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118 if (ngx_darwin_kern_ipc_somaxconn > somaxconn) {
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119 ngx_log_error(NGX_LOG_ALERT, log, 0,
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120 "sysctl kern.ipc.somaxconn must be no more than %d",
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121 somaxconn);
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122 return NGX_ERROR;
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123 }
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124
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125 ngx_tcp_nodelay_and_tcp_nopush = 1;
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126
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127 ngx_os_io = ngx_darwin_io;
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128
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129 return NGX_OK;
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130 }
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131
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132
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133 void
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134 ngx_os_specific_status(ngx_log_t *log)
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135 {
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136 u_long value;
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137 ngx_uint_t i;
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138
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139 ngx_log_error(NGX_LOG_NOTICE, log, 0, "OS: %s %s",
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140 ngx_darwin_kern_ostype, ngx_darwin_kern_osrelease);
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141
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142 for (i = 0; sysctls[i].name; i++) {
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143 if (sysctls[i].exists) {
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144 if (sysctls[i].size == sizeof(long)) {
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145 value = *(long *) sysctls[i].value;
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146
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147 } else {
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148 value = *(int *) sysctls[i].value;
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149 }
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150
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151 ngx_log_error(NGX_LOG_NOTICE, log, 0, "%s: %l",
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152 sysctls[i].name, value);
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153 }
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154 }
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155 }
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