1#!/bin/sh 2# 3# Suspend the system using either ACPI or APM. 4# For APM, "apm -z" will be issued. 5# For ACPI, the configured suspend state will be looked up, checked to see 6# if it is supported, and "acpiconf -s <state>" will be issued. 7# 8# Mark Santcroos <marks@ripe.net> 9# 10 11PATH=/sbin:/usr/sbin:/usr/bin:/bin 12 13ACPI_SUSPEND_STATE=hw.acpi.suspend_state 14ACPI_SUPPORTED_STATES=hw.acpi.supported_sleep_state 15APM_SUSPEND_DELAY=machdep.apm_suspend_delay 16 17# Check for ACPI support 18if sysctl $ACPI_SUSPEND_STATE >/dev/null 2>&1; then 19 # Get configured suspend state 20 SUSPEND_STATE=$(sysctl -n $ACPI_SUSPEND_STATE) 21 22 # Get list of supported suspend states 23 SUPPORTED_STATES=$(sysctl -n $ACPI_SUPPORTED_STATES) 24 25 # Check if the configured suspend state is supported by the system 26 if echo "$SUPPORTED_STATES" | grep "$SUSPEND_STATE" >/dev/null; then 27 # execute ACPI style suspend command 28 exec acpiconf -s "$SUSPEND_STATE" 29 else 30 echo "Requested suspend state $SUSPEND_STATE is not supported." 31 echo "Supported states: $SUPPORTED_STATES" 32 fi 33# Check for APM support 34elif sysctl $APM_SUSPEND_DELAY >/dev/null 2>&1; then 35 # Execute APM style suspend command 36 exec apm -z 37else 38 echo "Error: no ACPI or APM suspend support found." 39fi 40 41exit 1 42