mirror of
https://github.com/freebsd/freebsd-src
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6841c2677c
Reviewed by: imp (who also simplified things a little) Differenetial Revision: https://reviews.freebsd.org/D45299
42 lines
1.2 KiB
Bash
42 lines
1.2 KiB
Bash
#!/bin/sh
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#
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# Suspend the system using either ACPI or APM.
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# For APM, "apm -z" will be issued.
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# For ACPI, the configured suspend state will be looked up, checked to see
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# if it is supported, and "acpiconf -s <state>" will be issued.
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#
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# Mark Santcroos <marks@ripe.net>
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#
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PATH=/sbin:/usr/sbin:/usr/bin:/bin
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ACPI_SUSPEND_STATE=hw.acpi.suspend_state
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ACPI_SUPPORTED_STATES=hw.acpi.supported_sleep_state
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APM_SUSPEND_DELAY=machdep.apm_suspend_delay
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# Check for ACPI support
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if sysctl $ACPI_SUSPEND_STATE >/dev/null 2>&1; then
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# Get configured suspend state
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SUSPEND_STATE=$(sysctl -n $ACPI_SUSPEND_STATE)
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# Get list of supported suspend states
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SUPPORTED_STATES=$(sysctl -n $ACPI_SUPPORTED_STATES)
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# Check if the configured suspend state is supported by the system
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if echo "$SUPPORTED_STATES" | grep "$SUSPEND_STATE" >/dev/null; then
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# execute ACPI style suspend command
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exec acpiconf -s "$SUSPEND_STATE"
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else
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echo "Requested suspend state $SUSPEND_STATE is not supported."
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echo "Supported states: $SUPPORTED_STATES"
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fi
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# Check for APM support
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elif sysctl $APM_SUSPEND_DELAY >/dev/null 2>&1; then
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# Execute APM style suspend command
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exec apm -z
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else
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echo "Error: no ACPI or APM suspend support found."
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fi
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exit 1
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