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man page of lock

lock: unimplemented system calls

NAME
afs_syscall, break, ftime, getpmsg, gtty, lock, madvise1, mpx, prof, profil, putpmsg, security, stty, tuxcall, ulimit, vserver - unimplemented system calls
SYNOPSIS
Unimplemented system calls.

DESCRIPTION

These system calls are not implemented in the Linux 2.6.22 kernel.

RETURN VALUE

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

NOTES

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

SEE ALSO

syscalls(2)
COLOPHON
This page is part of release 3.27 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at //www.kernel.org/doc/man-pages/. LOCK(2)
 
 
 

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