File mkinitrd-boot.kernel.sh of Package suspend

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File mkinitrd-boot.kernel.sh of Package suspend

#!/bin/bash
#
#%stage: filesystem
#%provides: resume
#%depends: resume.userspace
#
##### software suspend resume
##
## If software suspending has suspended the computer before
## this script tries to resume it to the state
## it was before.
## This implements the pure kernel level resume
##
## Command line parameters
## -----------------------
##
## resume		the device to resume from
##

[ "$noresume" ] && resume_mode=off

# Verify manual resume mode
if [ "$resume_mode" != "off" -a -n "$resumedev" ]; then
    if [ -x /sbin/resume -o -w /sys/power/resume ]; then
	echo "Trying manual resume from $resumedev"
	resume_mode=1
    else
	resumedev=
    fi
fi

discover_kernel_resume() {
    local resume devn major minor
    if [ ! -f /sys/power/resume ] ; then
	return
    fi
    if [ -z "$resumedev" ] ; then
	return
    fi
    # Waits for the resume device to appear
    if [ "$resume_mode" != "off" ]; then
	if [ -e $resumedev ] ; then
	    # Try major:minor number of the device node
	    devn=$(devnumber $resumedev)
	    major=$(devmajor $devn)
	    minor=$(devminor $devn)
       fi
       if [ -n "$major" -a -n "$minor" ]; then
	    echo "Invoking in-kernel resume from $resumedev"
	    echo "$major:$minor" > /sys/power/resume
	else
	    echo "resume device $resumedev not found (ignoring)"
       fi
    fi
}
wait_for_events
# Check for a resume device
discover_kernel_resume

unset discover_kernel_resume

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File mkinitrd-boot.kernel.sh of Package suspend

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