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