Description: ngcore try to get rid of the blocking perioid of gcore. ngcore use clone to create a copy of the target process, then trigger a signal to create the dump file. The whole work is done by attaching to the target. Users do not need to modify executables.
Usage: ./bin/ngcore -p [pid]
TODO:
- get rid of zombie processes produced by killing puppet process
References: [Google Coredumper] https://github.com/anatol/google-coredumper