Messages in this thread | | | Date | Thu, 22 Sep 2022 10:47:14 -0700 | Subject | Re: [PATCH 4/5] selftests/resctrl: Kill the child process before exiting the parent process if an exception occurs | From | Reinette Chatre <> |
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Hi Shaopeng,
On 9/13/2022 6:51 PM, Shaopeng Tan wrote:
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> @@ -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
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