lock(2xnx) (XENIX System Compatibility)

lock -- (XENIX) lock a process in primary memory

Synopsis

   cc [flag . . . ] file . . . -lx 
   int lock(int flag);

Description

If the flag argument is nonzero, the process executing this call will not be swapped unless it is required to grow. If the argument is zero, the process is unlocked. This call may only be executed by the super-user. If someone other than the super-user tries to execute this call, a value of -1 is returned and the errno is set to EPERM.