[PATCH] Do not trace children created with CLONE_UNTRACED flag

[Wang Chao]

Sent on 2010-9-10 16:05, Roland McGrath wrote:
> 
> diff --git a/process.c b/process.c
> index 8af960a..50f5ae8 100644
> --- a/process.c
> +++ b/process.c
> @@ -796,7 +796,8 @@ int
>  internal_fork(struct tcb *tcp)
>  {
>  	if (entering(tcp)) {
> -		if (!followfork)
> +		tcp->flags &= ~TCB_FOLLOWFORK;
> +		if (!followfork || (tcp->u_arg[ARG_FLAGS] & CLONE_UNTRACED))
>  			return 0;
>  		fork_tcb(tcp);
>  		if (setbpt(tcp) < 0)

I quite agree with the above change.

Thanks,
Wang Chao