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authorMatthias Schwarzott <zzam@gentoo.org>2010-11-14 13:08:16 +0000
committerMatthias Schwarzott <zzam@gentoo.org>2010-11-14 13:08:16 +0000
commit1ae0824142ff13cd465057f4539bc636b0a74ed2 (patch)
tree146c551d8aabf89d8066ebfb382e3eded70419a4 /usr/share
parentfixed syntax error (diff)
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Improve error handling of reading files with timestamps.
svn path=/gentoo-vdr-scripts/trunk/; revision=670
Diffstat (limited to 'usr/share')
-rw-r--r--usr/share/vdr/bin/vdrshutdown-really.sh5
-rw-r--r--usr/share/vdr/inc/functions.sh12
-rw-r--r--usr/share/vdr/shutdown/pre-shutdown-99-periodic-thread.sh3
3 files changed, 14 insertions, 6 deletions
diff --git a/usr/share/vdr/bin/vdrshutdown-really.sh b/usr/share/vdr/bin/vdrshutdown-really.sh
index 962f97c..87acbf6 100644
--- a/usr/share/vdr/bin/vdrshutdown-really.sh
+++ b/usr/share/vdr/bin/vdrshutdown-really.sh
@@ -135,10 +135,7 @@ init_forced_shutdown() {
# detect if this could be a forced shutdown
local shutdown_force_file=${shutdown_data_dir}/last-shutdown-abort
- local LAST_SHUTDOWN_ABORT=0
- if [ -f "${shutdown_force_file}" ]; then
- LAST_SHUTDOWN_ABORT=$(cat "${shutdown_force_file}")
- fi
+ local LAST_SHUTDOWN_ABORT=$(read_int_from_file "${shutdown_force_file}")
NOW=$(date +%s)
local DISTANCE=$(($NOW-$LAST_SHUTDOWN_ABORT))
if [ "${DISTANCE}" -lt "${SHUTDOWN_FORCE_DETECT_INTERVALL:-60}" ]; then
diff --git a/usr/share/vdr/inc/functions.sh b/usr/share/vdr/inc/functions.sh
index 2289451..c37fafc 100644
--- a/usr/share/vdr/inc/functions.sh
+++ b/usr/share/vdr/inc/functions.sh
@@ -22,6 +22,18 @@ read_caps()
[ -f "${capfile}" ] && . ${capfile}
}
+# read file containing just one integer value
+# $1 filename to read
+# returns read value on stdout if successfull, else returns 0 there
+read_int_from_file()
+{
+ local fname="$1" value="0"
+ if [ -r "$fname" -a -s "$fname" ]; then
+ value="$(cat "$fname")"
+ fi
+ echo $(($value+0))
+}
+
if ! type yesno >/dev/null 2>&1; then
yesno()
diff --git a/usr/share/vdr/shutdown/pre-shutdown-99-periodic-thread.sh b/usr/share/vdr/shutdown/pre-shutdown-99-periodic-thread.sh
index c20a5d8..5aa67f3 100644
--- a/usr/share/vdr/shutdown/pre-shutdown-99-periodic-thread.sh
+++ b/usr/share/vdr/shutdown/pre-shutdown-99-periodic-thread.sh
@@ -28,8 +28,7 @@ check_periodic_thread()
local NOW=$(date +%s)
local MINIMAL_THREAD_CALL_DELTA=$(( 3600*20 ))
- local LAST_THREAD_END=0
- [ -f "${PERIODIC_THREAD_ENDTIME}" ] && LAST_THREAD_END=$(cat ${PERIODIC_THREAD_ENDTIME})
+ local LAST_THREAD_END=$(read_int_from_file "${PERIODIC_THREAD_ENDTIME}")
local DELTA=$(( $NOW-$LAST_THREAD_END ))