t=20 alive
t=30 alive
t=40 alive
t=50 alive
t=60 alive
t=70 alive
===ENV
DragonFly dfbsd 6.5-DEVELOPMENT DragonFly 6.5-DEVELOPMENT #1: Thu Sep 17 20:51:04 UTC 2026     root@dfbsd:/usr/obj/usr/src/sys/X86_64_GENERIC  x86_64
cc 8.3 [DragonFly] Release/2019-02-22
hw.ncpu: 6
kern.osreldate: 600519
crw-r-----  1 root  operator   28, 0x1e110007 Sep 17 20:58 /dev/fd0
operator:*:5:root
1