C++ library to interface .dmg files on Mac

I want to write a C++ program that spawns off a thread to execute a .dmg file and monitor its completion (success/fail) on S开发者_StackOverflow中文版now Leopard. Would this be as trivial as fork/exec a shell script on Linux? Would I need a 3rd party C++ library to interface .dmg files?

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A .dmg file on OS X is a container for an image of a volume or single file system so it's not clear what you mean by execute a .dmg file. If you mean mount the file systems contained in the .dmg file, the easiest way to do that is with the hdiutil command:

hdiutil attach /path/to/file.dmg

If you need to parse the information about the file systems mounted, use the -plist argument which will return that information in OS X plist format via stdout.