usr.sbin/zzz/zzz.sh

   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 # $FreeBSD$
  11
  12 PATH=/sbin:/usr/sbin:/usr/bin:/bin
  13
  14 ACPI_SUSPEND_STATE=hw.acpi.suspend_state
  15 ACPI_SUPPORTED_STATES=hw.acpi.supported_sleep_state
  16 APM_SUSPEND_DELAY=machdep.apm_suspend_delay
  17
  18 # Check for ACPI support
  19 if sysctl $ACPI_SUSPEND_STATE >/dev/null 2>&1; then
  20         # Get configured suspend state
  21         SUSPEND_STATE=`sysctl -n $ACPI_SUSPEND_STATE `
  22
  23         # Get list of supported suspend states
  24         SUPPORTED_STATES=`sysctl -n $ACPI_SUPPORTED_STATES `
  25
  26         # Check if the configured suspend state is supported by the system
  27         if echo $SUPPORTED_STATES | grep $SUSPEND_STATE >/dev/null; then
  28                 # execute ACPI style suspend command
  29                 exec acpiconf -s $SUSPEND_STATE
  30         else
  31                 echo -n "Requested suspend state $SUSPEND_STATE "
  32                 echo -n "is not supported.  "
  33                 echo    "Supported states: $SUPPORTED_STATES"
  34         fi
  35 # Check for APM support
  36 elif sysctl $APM_SUSPEND_DELAY >/dev/null 2>&1; then
  37         # Execute APM style suspend command
  38         exec apm -z
  39 else
  40         echo "Error: no ACPI or APM suspend support found."
  41 fi
  42
  43 exit 1