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PROTECT(1)		FreeBSD	General	Commands Manual		    PROTECT(1)

NAME
     protect --	protect	processes from being killed when swap space is
     exhausted

SYNOPSIS
     protect [-i] command
     protect [-cdi] -g pgrp | -p pid

DESCRIPTION
     The protect command is used to mark processes as protected.  The kernel
     does not kill protected processes when swap space is exhausted.  Note
     that this protected state is not inherited	by child processes by default.

     The options are:

     -c		 Remove	protection from	the specified processes.

     -d		 Apply the operation to	all current children of	the specified
		 processes.

     -i		 Apply the operation to	all future children of the specified
		 processes.

     -g	pgrp	 Apply the operation to	all processes in the specified process
		 group.

     -p	pid	 Apply the operation to	the specified process.

     command	 Execute command as a protected	process.

     Note that only one	of the -p or -g	flags may be specified when adjusting
     the state of existing processes.

EXIT STATUS
     The protect utility exits 0 on success, and >0 if an error	occurs.

EXAMPLES
     Mark the Xorg server as protected:

	   pgrep Xorg |	xargs protect -p

     Protect all ssh sessions and their	child processes:

	   pgrep sshd |	xargs protect -dip

     Remove protection from all	current	and future processes:

	   protect -cdi	-p 1

SEE ALSO
     procctl(2)

BUGS
     If	you protect a runaway process that allocates all memory	the system
     will deadlock.

FreeBSD	10.1		      September	19, 2013		  FreeBSD 10.1

NAME | SYNOPSIS | DESCRIPTION | EXIT STATUS | EXAMPLES | SEE ALSO | BUGS

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