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1 /* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
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2 * Permission is hereby granted, free of charge, to any person obtaining a copy
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3 * of this software and associated documentation files (the "Software"), to
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4 * deal in the Software without restriction, including without limitation the
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5 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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6 * sell copies of the Software, and to permit persons to whom the Software is
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7 * furnished to do so, subject to the following conditions:
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8 *
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9 * The above copyright notice and this permission notice shall be included in
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10 * all copies or substantial portions of the Software.
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11 *
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12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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13 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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14 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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15 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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16 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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17 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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18 * IN THE SOFTWARE.
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19 */
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20
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21 #include "uv.h"
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22 #include "internal.h"
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23
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24 #include <dlfcn.h>
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25 #include <errno.h>
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26 #include <pthread.h>
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27 #include <stdlib.h>
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28 #include <string.h>
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29
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30 #include <TargetConditionals.h>
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31
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32 #if !TARGET_OS_IPHONE
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33 #include "darwin-stub.h"
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34 #endif
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35
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36 int uv__set_process_title(const char* title) {
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37 #if TARGET_OS_IPHONE
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38 return uv__thread_setname(title);
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39 #else
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40 CFStringRef (*pCFStringCreateWithCString)(CFAllocatorRef,
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41 const char*,
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42 CFStringEncoding);
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43 CFBundleRef (*pCFBundleGetBundleWithIdentifier)(CFStringRef);
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44 void *(*pCFBundleGetDataPointerForName)(CFBundleRef, CFStringRef);
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45 void *(*pCFBundleGetFunctionPointerForName)(CFBundleRef, CFStringRef);
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46 CFTypeRef (*pLSGetCurrentApplicationASN)(void);
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47 OSStatus (*pLSSetApplicationInformationItem)(int,
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48 CFTypeRef,
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49 CFStringRef,
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50 CFStringRef,
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51 CFDictionaryRef*);
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52 void* application_services_handle;
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53 void* core_foundation_handle;
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54 CFBundleRef launch_services_bundle;
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55 CFStringRef* display_name_key;
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56 CFDictionaryRef (*pCFBundleGetInfoDictionary)(CFBundleRef);
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57 CFBundleRef (*pCFBundleGetMainBundle)(void);
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58 CFDictionaryRef (*pLSApplicationCheckIn)(int, CFDictionaryRef);
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59 void (*pLSSetApplicationLaunchServicesServerConnectionStatus)(uint64_t,
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60 void*);
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61 CFTypeRef asn;
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62 int err;
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63
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64 err = UV_ENOENT;
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65 application_services_handle = dlopen("/System/Library/Frameworks/"
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66 "ApplicationServices.framework/"
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67 "Versions/A/ApplicationServices",
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68 RTLD_LAZY | RTLD_LOCAL);
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69 core_foundation_handle = dlopen("/System/Library/Frameworks/"
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70 "CoreFoundation.framework/"
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71 "Versions/A/CoreFoundation",
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72 RTLD_LAZY | RTLD_LOCAL);
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73
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74 if (application_services_handle == NULL || core_foundation_handle == NULL)
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75 goto out;
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76
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77 *(void **)(&pCFStringCreateWithCString) =
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78 dlsym(core_foundation_handle, "CFStringCreateWithCString");
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79 *(void **)(&pCFBundleGetBundleWithIdentifier) =
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80 dlsym(core_foundation_handle, "CFBundleGetBundleWithIdentifier");
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81 *(void **)(&pCFBundleGetDataPointerForName) =
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82 dlsym(core_foundation_handle, "CFBundleGetDataPointerForName");
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83 *(void **)(&pCFBundleGetFunctionPointerForName) =
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84 dlsym(core_foundation_handle, "CFBundleGetFunctionPointerForName");
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85
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86 if (pCFStringCreateWithCString == NULL ||
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87 pCFBundleGetBundleWithIdentifier == NULL ||
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88 pCFBundleGetDataPointerForName == NULL ||
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89 pCFBundleGetFunctionPointerForName == NULL) {
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90 goto out;
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91 }
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92
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93 #define S(s) pCFStringCreateWithCString(NULL, (s), kCFStringEncodingUTF8)
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94
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95 launch_services_bundle =
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96 pCFBundleGetBundleWithIdentifier(S("com.apple.LaunchServices"));
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97
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98 if (launch_services_bundle == NULL)
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99 goto out;
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100
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101 *(void **)(&pLSGetCurrentApplicationASN) =
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102 pCFBundleGetFunctionPointerForName(launch_services_bundle,
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103 S("_LSGetCurrentApplicationASN"));
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104
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105 if (pLSGetCurrentApplicationASN == NULL)
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106 goto out;
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107
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108 *(void **)(&pLSSetApplicationInformationItem) =
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109 pCFBundleGetFunctionPointerForName(launch_services_bundle,
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110 S("_LSSetApplicationInformationItem"));
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111
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112 if (pLSSetApplicationInformationItem == NULL)
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113 goto out;
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114
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115 display_name_key = pCFBundleGetDataPointerForName(launch_services_bundle,
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116 S("_kLSDisplayNameKey"));
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117
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118 if (display_name_key == NULL || *display_name_key == NULL)
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119 goto out;
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120
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121 *(void **)(&pCFBundleGetInfoDictionary) = dlsym(core_foundation_handle,
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122 "CFBundleGetInfoDictionary");
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123 *(void **)(&pCFBundleGetMainBundle) = dlsym(core_foundation_handle,
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124 "CFBundleGetMainBundle");
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125 if (pCFBundleGetInfoDictionary == NULL || pCFBundleGetMainBundle == NULL)
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126 goto out;
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127
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128 *(void **)(&pLSApplicationCheckIn) = pCFBundleGetFunctionPointerForName(
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129 launch_services_bundle,
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130 S("_LSApplicationCheckIn"));
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131
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132 if (pLSApplicationCheckIn == NULL)
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133 goto out;
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134
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135 *(void **)(&pLSSetApplicationLaunchServicesServerConnectionStatus) =
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136 pCFBundleGetFunctionPointerForName(
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137 launch_services_bundle,
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138 S("_LSSetApplicationLaunchServicesServerConnectionStatus"));
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139
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140 if (pLSSetApplicationLaunchServicesServerConnectionStatus == NULL)
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141 goto out;
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142
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143 pLSSetApplicationLaunchServicesServerConnectionStatus(0, NULL);
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144
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145 /* Check into process manager?! */
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146 pLSApplicationCheckIn(-2,
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147 pCFBundleGetInfoDictionary(pCFBundleGetMainBundle()));
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148
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149 asn = pLSGetCurrentApplicationASN();
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150
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151 err = UV_EBUSY;
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152 if (asn == NULL)
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153 goto out;
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154
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155 err = UV_EINVAL;
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156 if (pLSSetApplicationInformationItem(-2, /* Magic value. */
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157 asn,
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158 *display_name_key,
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159 S(title),
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160 NULL) != noErr) {
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161 goto out;
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162 }
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163
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164 uv__thread_setname(title); /* Don't care if it fails. */
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165 err = 0;
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166
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167 out:
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168 if (core_foundation_handle != NULL)
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169 dlclose(core_foundation_handle);
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170
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171 if (application_services_handle != NULL)
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172 dlclose(application_services_handle);
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173
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174 return err;
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175 #endif /* !TARGET_OS_IPHONE */
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176 }
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