ref: c0403e2bf7ec0122ff0cc93a8f92a7e80ad74b9f
dir: /bin/die/
#!/bin/rc
if(! ~ $#* 2){
echo usage: $0 program parentpid >[1=2]
exit usage
}
ps -n |\
awk -v 'prg='$1 -v 'pid='$2 '
BEGIN{
getline <("/proc/" pid "/noteid")
nid = $1
}
$3 == nid && $8 == prg{
print kill >("/proc/" $2 "/note")
}
'