D.6. /etc/rc.d/init.d/swap

#### Linux From Scratch - Version 11.0-rc2

### Appendix D. Boot and sysconfig scripts version-20210608

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# D.6. /etc/rc.d/init.d/swap

    #!/bin/sh
    ########################################################################
    # Begin swap
    #
    # Description : Swap Control Script
    #
    # Authors     : Gerard Beekmans - gerard@linuxfromscratch.org
    #               DJ Lucas - dj@linuxfromscratch.org
    # Update      : Bruce Dubbs - bdubbs@linuxfromscratch.org
    #
    # Version     : LFS 7.0
    #
    ########################################################################

    ### BEGIN INIT INFO
    # Provides:            swap
    # Required-Start:      udev
    # Should-Start:        modules
    # Required-Stop:       localnet
    # Should-Stop:         $local_fs
    # Default-Start:       S
    # Default-Stop:        0 6
    # Short-Description:   Mounts and unmounts swap partitions.
    # Description:         Mounts and unmounts swap partitions defined in
    #                      /etc/fstab.
    # X-LFS-Provided-By:   LFS
    ### END INIT INFO

    . /lib/lsb/init-functions

    case "${1}" in
       start)
          log_info_msg "Activating all swap files/partitions..."
          swapon -a
          evaluate_retval
          ;;

       stop)
          log_info_msg "Deactivating all swap files/partitions..."
          swapoff -a
          evaluate_retval
          ;;

       restart)
          ${0} stop
          sleep 1
          ${0} start
          ;;

       status)
          log_success_msg "Retrieving swap status."
          swapon -s
          ;;

       *)
          echo "Usage: ${0} {start|stop|restart|status}"
          exit 1
          ;;
    esac

    exit 0

    # End swap

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