unimplemented(2) — Linux manual page


UNIMPLEMENTED(2)           System Calls Manual          UNIMPLEMENTED(2)

NAME         top

       afs_syscall, break, fattach, fdetach, ftime, getmsg, getpmsg,
       gtty, isastream, lock, madvise1, mpx, prof, profil, putmsg,
       putpmsg, security, stty, tuxcall, ulimit, vserver - unimplemented
       system calls

SYNOPSIS         top

       Unimplemented system calls.

DESCRIPTION         top

       These system calls are not implemented in the Linux kernel.

RETURN VALUE         top

       These system calls always return -1 and set errno to ENOSYS.

NOTES         top

       Note that ftime(3), profil(3), and ulimit(3) are implemented as
       library functions.

       Some system calls, like alloc_hugepages(2), free_hugepages(2),
       ioperm(2), iopl(2), and vm86(2) exist only on certain

       Some system calls, like ipc(2), create_module(2), init_module(2),
       and delete_module(2) exist only when the Linux kernel was built
       with support for them.

SEE ALSO         top


COLOPHON         top

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Linux man-pages 6.9.1          2024-05-02               UNIMPLEMENTED(2)

Pages that refer to this page: ioctl(2)syscalls(2)systemd.exec(5)