Hi Vimal... On Mon, Feb 27, 2012 at 03:40, Vimal <j.vimal@xxxxxxxxx> wrote: > The documentation in sched.h:1313 says that "parent" refers to the > parent task that would receive SIGCHLD (i.e., the one that issues > wait4()). I followed the wait4() syscall to do_wait(), I still am not > able to find where the task's parent is updated. I am bit rusty here, but AFAIK sigchld is thrown to the process who ptrace another process. CMIIW -- regards, Mulyadi Santosa Freelance Linux trainer and consultant blog: the-hydra.blogspot.com training: mulyaditraining.blogspot.com _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies