1UNIMPLEMENTED(2) System Calls Manual UNIMPLEMENTED(2)
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6 afs_syscall, break, fattach, fdetach, ftime, getmsg, getpmsg, gtty,
7 isastream, lock, madvise1, mpx, prof, profil, putmsg, putpmsg, secu‐
8 rity, stty, tuxcall, ulimit, vserver - unimplemented system calls
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11 Unimplemented system calls.
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14 These system calls are not implemented in the Linux kernel.
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17 These system calls always return -1 and set errno to ENOSYS.
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20 Note that ftime(3), profil(3), and ulimit(3) are implemented as library
21 functions.
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23 Some system calls, like alloc_hugepages(2), free_hugepages(2), iop‐
24 erm(2), iopl(2), and vm86(2) exist only on certain architectures.
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26 Some system calls, like ipc(2), create_module(2), init_module(2), and
27 delete_module(2) exist only when the Linux kernel was built with sup‐
28 port for them.
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31 syscalls(2)
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35Linux man-pages 6.05 2022-10-09 UNIMPLEMENTED(2)