#!/bin/bashPRONUM=$1;if [ ! $1 ]; then    PRONUM=2fiPREFIX=`pwd`INTERVAL=30echo ${PREFIX}echo 'do '${PRONUM};for(( i=0; i<$PRONUM; i++ ));do      nohup taskset -c 16-19 php ${PREFIX}/process.php >>${PREFIX}/process${i}.log 2>&1 & echo $! > ${PREFIX}/process${i}.pid      echo 'NEW_PID:'`cat ${PREFIX}/process${i}.pid && date '+%Y-%m-%d %H:%M:%S'`donewhile [ 1 ];do  for(( i=0; i<$PRONUM; i++ ));do    if [ ! -d /proc/`cat ${PREFIX}/process${i}.pid` ]; then      nohup taskset -c 16-19 php ${PREFIX}/process.php >>${PREFIX}/process${i}.log 2>&1 & echo $! > ${PREFIX}/process${i}.pid      echo 'NEW_PID:'`cat ${PREFIX}/process${i}.pid && date '+%Y-%m-%d %H:%M:%S'`    fi    sleep ${INTERVAL}  donedone