ref: 45a55aa02ac58a1300d5e44a2fc6b125dd38118b
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")
}
'