39 lines
669 B
Bash
Executable file
39 lines
669 B
Bash
Executable file
#!/bin/bash
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if [ $# -lt 2 ]; then
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echo "Usage: $0 [name] [script]"
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exit 1;
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fi
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NAME=$1
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SCRIPT=$2
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LOCKDIR="/var/tmp/$NAME"
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PIDFILE="$LOCKDIR/pid"
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function cleanup {
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rm -rf "$LOCKDIR"
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}
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RESTORE_UMASK=$(umask -p)
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umask 0077
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if ! mkdir "$LOCKDIR"; then
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echo "$LOCKDIR already exists"
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PID=$(cat "$PIDFILE")
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if [ -n "$PID" ] && /bin/ps $PID > /dev/null
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then
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exit 1;
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else
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echo "$LOCKDIR exists but $PID is dead"
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echo "Removing lockdir and re-running"
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/bin/rm -rf $LOCKDIR
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mkdir $LOCKDIR || exit
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fi
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fi
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trap cleanup EXIT SIGQUIT SIGHUP SIGTERM
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echo $$ > "$PIDFILE"
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$RESTORE_UMASK
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eval "$SCRIPT"
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