Loads a shared library, NB: new DSO_METHODs must ensure that a successful load populates the loaded_filename field, and likewise a successful unload frees and NULLs it out.
See Implementation
Loads a shared library, NB: new DSO_METHODs must ensure that a successful load populates the loaded_filename field, and likewise a successful unload frees and NULLs it out.