$home/manuals/unix_v7/2/lock

LOCK(2)                       System Calls Manual                      LOCK(2)



NAME
       lock - lock a process in primary memory

SYNOPSIS
       lock(flag)

DESCRIPTION
       If  the flag argument is non-zero, the process executing this call will
       not be swapped except if it is required to grow.  If  the  argument  is
       zero,  the  process is unlocked.  This call may only be executed by the
       super-user.

BUGS
       Locked processes interfere with the compaction of  primary  memory  and
       can  cause  deadlock.   This  system call is not considered a permanent
       part of the system.

ASSEMBLER
       (lock = 53.)
       sys lock; flag



                                     local                             LOCK(2)