写了一个bbsd的服务脚本，刚开始用killall直接杀进程，发现老卡在bbsd那里，在Julyclyde的建议下，用-x模式追踪了一下，发现当killall到bbsd的时候会提示killed，接下来后面的代码就不执行了，如果把后面的代码提前，完全可以执行，但到了bbsd那里还是会终止
无奈之下之好请kill出场，顺利解决。
有无大牛解释一下原因？
另附目前正常的服务控制脚本：
#==============================================================================
#!/bin/bash
startbbsd()
{
        /home/bbs/bin/miscd daemon &
        /home/bbs/bin/bbslogd &
        /home/bbs/bin/bbsd -p 23 &
        /home/bbs/bin/sshbbsd -p 22 &
        /home/etc/php-cgi.sh start
        if [ -s /home/bbs/crontab.bbs ]
        then
                /usr/bin/sudo -u bbs /usr/bin/crontab /home/bbs/crontab.bbs
        else
                /usr/bin/sudo -u bbs /usr/bin/crontab /home/bbs/crontab.bbs.bk
        fi
}
stopbbsd()
{
        /usr/bin/sudo -u bbs /usr/bin/crontab -l>/home/bbs/crontab.bbs
        if [ -s /home/bbs/crontab.bbs ]
        then
                cp /home/bbs/crontab.bbs /home/bbs/crontab.bbs.bk
        fi
        /usr/bin/sudo -u bbs /usr/bin/crontab -r
        /home/etc/php-cgi.sh stop
        SSHBBSDPID=`ps aux|grep ^bbs|grep "sshbbsd"|awk '{printf "%s ",$2}'`
        if [ ${#SSHBBSDPID} -gt 0 ]
        then
                /bin/kill -9 $SSHBBSDPID
        fi
        /usr/bin/killall -9 bbslogd
        BBSLOGDPID=`ps aux|grep ^bbs|grep "/bin/bbslogd"|awk '{printf "%s ",$2}'`
        if [ ${#BBSLOGDPID} -gt 0 ]
        then
                /bin/kill -9 $BBSLOGDPID
        fi
        BBSDPID=`ps aux|grep ^bbs|grep "/bin/bbsd"|awk '{printf "%s ",$2}'`
        if [ ${#BBSDPID} -gt 0 ]
        then
                /bin/kill -9 $BBSDPID
        fi
        MISCDPID=`ps aux|grep ^bbs|grep "/bin/miscd"|awk '{printf "%s ",$2}'`
        if [ ${#MISCDPID} -gt 0 ]
        then
                /home/bbs/bin/miscd flush
                /bin/kill -9 $MISCDPID
        fi
        ipcs -m|awk '$0~/bbs/ {system(sprintf("ipcrm -m %s ",$2));}'
        ipcs -q|awk '$0~/bbs/ {system(sprintf("ipcrm -q %s ",$2));}'
}

case "$1" in
    start)
        startbbsd
        ;;
    restart|reload|force-reload)
        stopbbsd
        startbbsd
        ;;
    stop)
        stopbbsd
        ;;
    *)
        echo "Usage: $0 start|stop|restart" >&2
        exit 3
        ;;
esac
--
FROM 59.109.6.*