ed82feee0c
unless it is the current timer. When we have resumed successfully, restore the previous timecounter hardware if it was changed earlier. Only the ACPI timer is guaranteed to increase monotonically between S-state changes.
80 lines
2.5 KiB
Bash
Executable File
80 lines
2.5 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright (c) 1999 Mitsuru IWASAKI
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# $FreeBSD$
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#
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# sample run command file for APM Suspend Event
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if [ $# -ne 2 ]; then
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echo "Usage: $0 [apm|acpi] [standby,suspend|1-4]"
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exit 1
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fi
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subsystem=$1
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state=$2
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if [ -r /var/run/rc.suspend.pid ]; then
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exit 1
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fi
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echo $$ 2> /dev/null > /var/run/rc.suspend.pid
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_t=`/sbin/sysctl -n kern.timecounter.hardware 2> /dev/null`
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case ${_t#ACPI-} in
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fast|safe)
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/bin/rm -f /var/run/rc.suspend.tch
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;;
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*)
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( /sbin/sysctl -n kern.timecounter.hardware=ACPI-fast || \
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/sbin/sysctl -n kern.timecounter.hardware=ACPI-safe ) \
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> /dev/null 2>&1 && echo $_t > /var/run/rc.suspend.tch
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;;
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esac
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# If you have troubles on suspending with PC-CARD modem, try this.
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# See also contrib/pccardq.c (Only for PAO users).
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# pccardq | awk -F '~' '$5 == "filled" && $4 ~ /uart/ \
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# { printf("pccardc power %d 0", $1); }' | sh
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# If a device driver has problems suspending, try unloading it before
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# suspend and reloading it on resume. Example:
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# kldunload usb
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logger -t $subsystem suspend at `date +'%Y%m%d %H:%M:%S'`
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sync && sync && sync
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sleep 3
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rm -f /var/run/rc.suspend.pid
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if [ $subsystem = "apm" ]; then
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/usr/sbin/zzz
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else
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# Notify the kernel to continue the suspend process
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/usr/sbin/acpiconf -k 0
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fi
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exit 0
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