lock(2) 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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