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71c17c5402
don't use archetypes and this will just result in double frees. * dll_init.cc (dll_list::protect): Define. (dll_list::alloc): Guard list access. (dll_list::detach): Ditto. * dll_init.h (dll_list::protect): Declare new muto. (dll_list::guard): Define/declare function to guard list access. * fhandler_termios.cc (fhandler_termios::sigflush): Avoid SEGV in pathological condition of get_ttyp() == NULL.
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