_sid              113 processinfo.cpp   _sid = -1;
_sid              488 processinfo.cpp   _sid = getsid(0);
_sid              547 processinfo.cpp   o & _isRootOfProcessTree & _pid & _sid & _ppid & _gid & _fgid & _generation;
_sid              555 processinfo.cpp     (_sid) (_ppid) (_gid) (_fgid) (_isRootOfProcessTree)
_sid               81 processinfo.h        pid_t sid() const { return _sid; }
_sid               97 processinfo.h        bool isSessionLeader() const { return _pid == _sid; }
_sid              128 processinfo.h        pid_t _sid;