116 lines
2.8 KiB
Bash
Executable File
116 lines
2.8 KiB
Bash
Executable File
#!/bin/sh
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# vim: noexpandtab
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# Simple suspend script
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#
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# Copyright 2006 Red Hat, Inc.
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#
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# Based on work from:
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# Bill Nottingham <notting@redhat.com>
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# Peter Jones <pjones@redhat.com>
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# David Zeuthen <davidz@redhat.com>
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# Richard Hughes <richard@hughsie.com>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of version 2 of the GNU General Public License as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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# The rule here? Simplicity.
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export STASHNAME=pm-suspend
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export METHOD="$(echo ${0##*pm-} |tr - _)"
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. "/usr/lib/pm-utils/pm-functions"
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# return code tracking for when suspend fails
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r=0
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help()
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{
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echo "${0##*/} [options]"
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echo
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echo "Options can change how suspend or hibernate is done."
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run_hooks sleep help
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sleep_module_help
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exit 0
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}
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if [ "$(id -u)" != "0" ]; then
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echo This utility may only be run by the root user. 1>&2
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exit 1
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fi
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remove_suspend_lock()
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{
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release_lock "${STASHNAME}.lock"
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}
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try_lock "${STASHNAME}.lock" || exit 1
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# make sure we release the lock no matter how we exit
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trap remove_suspend_lock 0
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# clean up from the last run
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rm -rf "${STORAGEDIR}"
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mkdir -p "${STORAGEDIR}"
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# save our parameter list.
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[ -f "$PARAMETERS" ] || echo '' >"$PARAMETERS"
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add_parameters $PM_CMDLINE
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update_parameters
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while [ $# -gt 0 ]
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do
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[ "$1" = "--help" ] && help
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shift
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done
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command_exists "check_$METHOD" && command_exists "do_$METHOD" || {
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log "pm-utils does not know how to $METHOD on this system."
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exit 1
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}
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"check_$METHOD" || {
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log "This system does not support $METHOD as a sleep method."
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exit 1
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}
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case "$METHOD" in
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suspend*) ACTION=suspend; REVERSE=resume ;;
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hibernate) ACTION=hibernate; REVERSE=thaw ;;
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*) echo "Cannot happen. Please file a bug against pm-utils."
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exit 1 ;;
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esac
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init_logfile "${PM_LOGFILE}"
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log "Initial commandline parameters: $PM_CMDLINE"
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load_hook_blacklist
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load_hook_parameters
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# run the sleep hooks
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log "$(date): Running hooks for $ACTION."
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if run_hooks sleep "$ACTION $METHOD"; then
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# Sleep only if we know how and if a hook did not inhibit us.
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log "$(date): performing $METHOD"
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sync
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"do_$METHOD" || r=128
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log "$(date): Awake."
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else
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log "$(date): Inhibit found, will not perform $METHOD"
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fi
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log "$(date): Running hooks for $REVERSE"
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# run the sleep hooks in reverse with the wakeup action
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if run_hooks sleep "$REVERSE $METHOD" reverse; then
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log "$(date): Finished."
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else
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exit $((r+1))
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fi
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exit $r
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