lock(2) SYSTEM CALLS lock(2)
NAME
lock - locks a process in primary memory.
SYNOPSIS
int lock(flag)
cc [flag ...] file ... -lx
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.
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