#!/bin/bash
LOCKFILE=/tmp/$(basename "$0").lock
if [ -e ${LOCKFILE} ] && kill -0 `cat ${LOCKFILE}`; then
    echo " $0 already running"
    exit
fi

# 确保退出时，锁文件被删除
trap "rm -f ${LOCKFILE}; exit" INT TERM EXIT
#将当前程序进程id写入锁文件
echo $$ > ${LOCKFILE}
# 做你需要的事情
export GDK_BACKEND=x11
export LD_LIBRARY_PATH=../
../TSL ../exec_tsl/vcldesigner.tsl -libpath ../designer/

# sleep 1000
 
# 删除锁文件
rm -f ${LOCKFILE}