Use sleep replace usleep which may not exist on some operating systems
Use sleep replace usleep which may not exist on some operating systems

nihaibao/phptrace,xiaosl/phptrace,chenwenbin928/phptrace,Qihoo360/phptrace,nihaibao/phptrace,outman/phptrace,silkCut/phptrace,nihaibao/phptrace,silkCut/phptrace,Qihoo360/phptrace,monque/phptrace,chenwenbin928/phptrace,three2one/phptrace,monque/phptrace,fengshao0907/phptrace,oikomi/phptrace,oikomi/phptrace,skyworker/phptrace,skyworker/phptrace,tempbottle/phptrace,xiaosl/phptrace,skyworker/phptrace,tempbottle/phptrace,three2one/phptrace,outman/phptrace,fengshao0907/phptrace,kmiku7/phptrace,oikomi/phptrace,outman/phptrace,kmiku7/phptrace,kmiku7/phptrace,outman/phptrace,narlian/phptrace,Qihoo360/phptrace,silkCut/phptrace,narlian/phptrace,nihaibao/phptrace,xiaosl/phptrace,chenwenbin928/phptrace,fengshao0907/phptrace,three2one/phptrace,monque/phptrace,three2one/phptrace,xiaosl/phptrace,fengshao0907/phptrace,tempbottle/phptrace,narlian/phptrace,chenwenbin928/phptrace,oikomi/phptrace,skyworker/phptrace,kmiku7/phptrace,narlian/phptrace,tempbottle/phptrace