#!/bin/bash -eux # Spawn a zombie process, and ensure it gets reaped. # This test is only useful when run on an empty container with # dumb-init as PID1. # # We run it as the last step of the integration tests inside our Docker # containers. Since this test must run as PID 1, we don't use pytest and # instead write it in bash. bash -euxc "bash -euxc 'echo i am a zombie' &" & sleep 1 num_zombies=$(ps -A -o state | grep 'Z' | wc -l) if [ "$num_zombies" -ne 0 ]; then echo "Expected no zombies, but instead there were ${num_zombies}." exit 1 fi