diff options
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/Makefile | 5 | ||||
| -rwxr-xr-x | scripts/on_ac_power | 33 |
2 files changed, 38 insertions, 0 deletions
diff --git a/scripts/Makefile b/scripts/Makefile new file mode 100644 index 00000000..3d41631e --- /dev/null +++ b/scripts/Makefile @@ -0,0 +1,5 @@ +DIR= ${LIBEXECDIR}/bin +BIN= on_ac_power + +MK= ../mk +include ${MK}/scripts.mk diff --git a/scripts/on_ac_power b/scripts/on_ac_power new file mode 100755 index 00000000..08049525 --- /dev/null +++ b/scripts/on_ac_power @@ -0,0 +1,33 @@ +#!/bin/sh +# Detect AC power or not in a portable way +# Copyright (c) 2007-2009 Roy Marples <roy@marples.name> + +# Exit 0 if on AC power, 1 if not and 255 if we don't know how to work it out +if [ -f /proc/acpi/ac_adapter/AC*/state ]; then + cat /proc/acpi/ac_adapter/AC*/state | while read line; do + case "$line" in + "state:"*"off-line") return 128;; + esac + done +elif [ -f /proc/pmu/info ]; then + cat /proc/pmu/info | while read line; do + case "$line" in + "AC Power"*": 0") return 128;; + esac + done +elif type envstat >/dev/null 2>&1; then + # NetBSD has envstat + envstat -d acpiacad0 2>/dev/null | while read line; do + case "$line" in + "connected:"*"OFF") return 128;; + esac + done +elif sysctl -q hw.acpi.acline >/dev/null 2>/dev/null; then + case $(sysctl -n hw.acpi.acline) in + 0) return 1;; + *) return 0;; + esac +else + exit 255 +fi +[ $? != 128 ] |