On Tue, Dec 20, 2011 at 03:39:36PM +0000, Reinoud Zandijk wrote: > Currently the MAP_NOSYSCALLS is only implemented for x86 but other > architectures are easy to adapt; see the sys/arch/x86/x86/syscall.c patch. > Port maintainers are encouraged to add them for their processor ports too. > When this feature is not yet implemented for an architecture the > MAP_NOSYSCALLS is simply ignored with virtually no cpu cost..
If MAP_NOSYSCALLS is not implemented, perhaps mmap(2) should fail with EOPNOTSUPP? After all, the program that uses MAP_NOSYSCALLS probably depends on it to work. Dave -- David Young dyo...@pobox.com Urbana, IL (217) 721-9981
