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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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660
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4 * Copyright (C) Nginx, Inc.
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390
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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>
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10
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11
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12 char ngx_darwin_kern_ostype[16];
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13 char ngx_darwin_kern_osrelease[128];
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14 int ngx_darwin_hw_ncpu;
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15 int ngx_darwin_kern_ipc_somaxconn;
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16 u_long ngx_darwin_net_inet_tcp_sendspace;
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17
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646
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18 ngx_uint_t ngx_debug_malloc;
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19
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390
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20
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21 static ngx_os_io_t ngx_darwin_io = {
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22 ngx_unix_recv,
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23 ngx_readv_chain,
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24 ngx_udp_unix_recv,
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25 ngx_unix_send,
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26 #if (NGX_HAVE_SENDFILE)
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27 ngx_darwin_sendfile_chain,
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28 NGX_IO_SENDFILE
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29 #else
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30 ngx_writev_chain,
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31 0
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32 #endif
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33 };
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34
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35
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36 typedef struct {
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37 char *name;
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38 void *value;
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39 size_t size;
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40 ngx_uint_t exists;
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41 } sysctl_t;
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42
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43
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44 sysctl_t sysctls[] = {
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45 { "hw.ncpu",
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46 &ngx_darwin_hw_ncpu,
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47 sizeof(ngx_darwin_hw_ncpu), 0 },
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48
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49 { "net.inet.tcp.sendspace",
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50 &ngx_darwin_net_inet_tcp_sendspace,
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51 sizeof(ngx_darwin_net_inet_tcp_sendspace), 0 },
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52
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53 { "kern.ipc.somaxconn",
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54 &ngx_darwin_kern_ipc_somaxconn,
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55 sizeof(ngx_darwin_kern_ipc_somaxconn), 0 },
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56
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57 { NULL, NULL, 0, 0 }
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58 };
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59
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60
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646
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61 void
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62 ngx_debug_init()
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63 {
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64 #if (NGX_DEBUG_MALLOC)
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65
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66 /*
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67 * MacOSX 10.6, 10.7: MallocScribble fills freed memory with 0x55
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68 * and fills allocated memory with 0xAA.
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69 * MacOSX 10.4, 10.5: MallocScribble fills freed memory with 0x55,
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70 * MallocPreScribble fills allocated memory with 0xAA.
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71 * MacOSX 10.3: MallocScribble fills freed memory with 0x55,
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72 * and no way to fill allocated memory.
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73 */
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74
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75 setenv("MallocScribble", "1", 0);
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76
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77 ngx_debug_malloc = 1;
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78
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79 #else
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80
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81 if (getenv("MallocScribble")) {
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82 ngx_debug_malloc = 1;
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83 }
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84
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85 #endif
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86 }
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87
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88
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390
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89 ngx_int_t
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90 ngx_os_specific_init(ngx_log_t *log)
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91 {
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92 size_t size;
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93 ngx_err_t err;
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94 ngx_uint_t i;
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95
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96 size = sizeof(ngx_darwin_kern_ostype);
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418
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97 if (sysctlbyname("kern.ostype", ngx_darwin_kern_ostype, &size, NULL, 0)
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98 == -1)
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99 {
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100 err = ngx_errno;
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101
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102 if (err != NGX_ENOENT) {
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390
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103
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418
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104 ngx_log_error(NGX_LOG_ALERT, log, err,
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105 "sysctlbyname(kern.ostype) failed");
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106
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107 if (err != NGX_ENOMEM) {
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108 return NGX_ERROR;
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109 }
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110
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111 ngx_darwin_kern_ostype[size - 1] = '\0';
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390
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112 }
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113 }
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114
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115 size = sizeof(ngx_darwin_kern_osrelease);
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418
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116 if (sysctlbyname("kern.osrelease", ngx_darwin_kern_osrelease, &size,
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117 NULL, 0)
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118 == -1)
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119 {
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120 err = ngx_errno;
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121
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122 if (err != NGX_ENOENT) {
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390
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123
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418
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124 ngx_log_error(NGX_LOG_ALERT, log, err,
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125 "sysctlbyname(kern.osrelease) failed");
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390
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126
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418
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127 if (err != NGX_ENOMEM) {
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128 return NGX_ERROR;
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129 }
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130
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131 ngx_darwin_kern_osrelease[size - 1] = '\0';
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132 }
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390
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133 }
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134
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135 for (i = 0; sysctls[i].name; i++) {
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136 size = sysctls[i].size;
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137
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138 if (sysctlbyname(sysctls[i].name, sysctls[i].value, &size, NULL, 0)
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139 == 0)
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140 {
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141 sysctls[i].exists = 1;
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142 continue;
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143 }
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144
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145 err = ngx_errno;
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146
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147 if (err == NGX_ENOENT) {
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148 continue;
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149 }
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150
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151 ngx_log_error(NGX_LOG_ALERT, log, err,
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152 "sysctlbyname(%s) failed", sysctls[i].name);
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153 return NGX_ERROR;
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154 }
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155
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156 ngx_ncpu = ngx_darwin_hw_ncpu;
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157
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646
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158 if (ngx_darwin_kern_ipc_somaxconn > 32767) {
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390
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159 ngx_log_error(NGX_LOG_ALERT, log, 0,
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646
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160 "sysctl kern.ipc.somaxconn must be less than 32768");
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390
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161 return NGX_ERROR;
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162 }
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163
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164 ngx_tcp_nodelay_and_tcp_nopush = 1;
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165
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166 ngx_os_io = ngx_darwin_io;
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167
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168 return NGX_OK;
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169 }
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170
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171
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172 void
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173 ngx_os_specific_status(ngx_log_t *log)
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174 {
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175 u_long value;
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176 ngx_uint_t i;
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177
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418
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178 if (ngx_darwin_kern_ostype[0]) {
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179 ngx_log_error(NGX_LOG_NOTICE, log, 0, "OS: %s %s",
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180 ngx_darwin_kern_ostype, ngx_darwin_kern_osrelease);
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181 }
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390
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182
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183 for (i = 0; sysctls[i].name; i++) {
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184 if (sysctls[i].exists) {
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185 if (sysctls[i].size == sizeof(long)) {
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186 value = *(long *) sysctls[i].value;
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187
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188 } else {
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189 value = *(int *) sysctls[i].value;
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190 }
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191
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192 ngx_log_error(NGX_LOG_NOTICE, log, 0, "%s: %l",
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193 sysctls[i].name, value);
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194 }
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195 }
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196 }
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