mpx (2) - Linux Manuals
mpx: unimplemented system calls
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
SYNOPSISUnimplemented system calls.
DESCRIPTIONThese system calls are not implemented in the Linux kernel.
RETURN VALUEThese system calls always return -1 and set errno to ENOSYS.
NOTESNote that ftime(3), profil(3), and ulimit(3) are implemented as library functions.
COLOPHONThis page is part of release 5.10 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at https://www.kernel.org/doc/man-pages/.