[Devel] Re: [PATCH user-cr 2/2] add nsexeccwp to test clone-with-pids

[Nathan Lynch]

On Thu, 2009-11-12 at 23:24 -0600, serue at us.ibm.com wrote:
> +	if (use_clone) {
> +		int stacksize = 4*getpagesize();
> +		void *stack = malloc(stacksize);
> +
> +		if (!stack) {
> +			perror("malloc");
> +			return -1;
> +		}
> +
> +		printf("about to clone with %lx\n", flags);
> +		if (chosen_pid)
> +			printf("Will choose pid %d\n", chosen_pid);
> +		flags |= SIGCHLD;
> +		pid = clone_with_pids(do_child, stack, flags, &pid_set,
> +					(void *)argv);

The stack argument should be adjusted with the usual stack += stacksize
- 1 or similar, right?


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