Re: [PATCH 4/5] selftests/resctrl: Kill the child process before exiting the parent process if an exception occurs

Hi Shaopeng,

On 9/13/2022 6:51 PM, Shaopeng Tan wrote:

...

@@ -218,11 +219,11 @@ int cat_perf_miss_val(int cpu_no, int n, char *cache_type) } } close(pipefd[0]);

• kill(bm_pid, SIGKILL);
  

  }

• if (bm_pid)

• umount_resctrlfs();
  

+out:

• kill(bm_pid, SIGKILL);
• umount_resctrlfs();

From what I can tell both parent and child will now run this code. So both will attempt to unmount resctrl fs and the child will attempt to kill PID 0?

Reinette