shithub: riscv

ref: 34ae4649cc91bf32cd602558a4e953bc3fb8777a
dir: /rc/bin/dontkill/

View raw version 
#!/bin/rc
# dontkill regexp - mark invoker's processes with names matching regexp
#	as not killable when the kernel runs out of memory
if (! ~ $#* 1) {
	echo $0 regexp >[1=2]
	exit usage
}
# see /sys/src/9/port/proc.c:/^killbig
psu | awk '$NF ~ /'$1'/ {
c="/proc/"$2"/ctl"
print "chmod +w "c
print "@{echo noswap >"c"}"
print "chmod -w "c
}' | rc >/dev/null >[2=1]