On 07/24, Christian Brauner wrote: > > If CLONE_WAIT_PID is set the newly created process will not be > considered by process wait requests that wait generically on children > such as:
I have to admit this feature looks a bit exotic to me... > --- a/kernel/exit.c > +++ b/kernel/exit.c > @@ -1019,6 +1019,9 @@ eligible_child(struct wait_opts *wo, bool ptrace, > struct task_struct *p) > if (!eligible_pid(wo, p)) > return 0; > > + if ((p->flags & PF_WAIT_PID) && (wo->wo_type != PIDTYPE_PID)) > + return 0; Even if ptrace == T ? This doesn't look right. Say, strace should work even if its tracee (or one of the tracees) has PF_WAIT_PID. Oleg.
