Hi Shaopeng, On 2/12/2023 10:24 PM, Shaopeng Tan wrote: > After creating a child process with fork() in CAT test, if a signal such > as SIGINT is received, the parent process will be terminated immediately, > and therefor the child process will not be killed and also resctrlfs is > not unmounted. > > There is a signal handler registered in CMT/MBM/MBA tests, which kills > child process, unmount resctrlfs, cleanups result files, etc., if a > signal such as SIGINT is received. > > Commonize the signal handler registered for CMT/MBM/MBA tests and > reuse it in CAT. > > To reuse the signal handler to kill child process use global bm_pid > instead of local bm_pid. > > Also, since the MBA/MBA/CMT/CAT are run in order, unregister the signal > handler at the end of each test so that the signal handler cannot be > inherited by other tests. > > Signed-off-by: Shaopeng Tan <tan.shaopeng@xxxxxxxxxxxxxx> Reviewed-by: Reinette Chatre <reinette.chatre@xxxxxxxxx> Thank you very much Reinette
