dso_handle         55 dmtcpworker.cpp                               void (*child)(void), void *dso_handle);
dso_handle         56 plugin/pid/pid_miscwrappers.cpp                                  void (*child)(void), void *dso_handle)
dso_handle         61 plugin/pid/pid_miscwrappers.cpp   return NEXT_FNC(__register_atfork)(prepare, parent, child, dso_handle);