check processes for futex_wait

held_futex.sh

TRUE=0
FALSE=1
held_futex(){
	tot=`ps -eo "%p %u %a"|awk '{ print ($2=="user") ? $0: ""}'|grep -c -i '[p]rocess'`
	i=0
	for pid in `ps -eo "%p %u %a"|awk '{ print ($2=="user") ? $0: ""}'|grep -i '[p]rocess'|awk '{ print $1 }'`
	do
	        cnt=`cat /proc/${pid}/wchan|grep -c -i 'futex_wait_'`
	        if [ $cnt -gt 0 ];then
	                i=$((i+=1))
	        fi
	done
	[ $i -eq $tot ] && return $TRUE || return $FALSE
}