Fw: Hush cant replace lash for my situation

[Alex Landau]

Denys,
It prints vfork(), but actually executes fork() (a typo in your patch below), so I'd say
busybox does not recognize that this is a NOMMU system.
Alex

----- Forwarded Message ----
> From: Martinb_ARM_NOMMU_KISSDVD <martinb at zeelandnet.nl>
> To: Denys Vlasenko <vda.linux at googlemail.com>
> Cc: busybox at busybox.net
> Sent: Tuesday, January 8, 2008 12:34:41 AM
> Subject: RE: Hush cant replace lash for my situation
> 
> did include the 2 lines and recompile
> output is:
> 
> parse_stream_outer: run_list
> run_list entered
> : run_list_real with 1 members
> run_list_real start lvl 1
> : rword=0 if_code=0 next_if_code=0 skip_more=12
> : run_pipe_real with 1 members
> run_pipe_real start: single_fg=1
> : pipe member 'ls' '(null)'...
> : vfork returned -1
> run_pipe_real return -1
> : checkjobs returned 0
> : setting last_return_code=0
> : rword=0 if_code=0 next_if_code=0 skip_more=12
> run_list_real lvl 1 return 0
> run_list return 0
> 
> You can give me more debug instructions if you want, i dont have
> the
> 
 skills
> but i do have the time
> 
> /martinb
> 
> 
> > ================================================
> 
> It seems it never goes into if (!child->pid) {...} part below:
> Can you add debug_printf_exec() as shown wit '+' and test again?
> 
>                 if (child->argv)
>                         debug_printf_exec(": pipe member
> '%s'
> 
 '%s'...\n",
> child->argv[0], child->argv[1]);
>                 else
>                         debug_printf_exec(": pipe member with
> no
> 
 argv\n");
> 
>                 /* pipes are inserted between pairs of commands */
>                 if ((i + 1) < pi->num_progs) {
>                         pipe(pipefds);
>                         nextout = pipefds[1];
>                 } else {
>                         nextout = 1;
>                         pipefds[0] = -1;
>                 }
> 
>                 /* XXX test for failed fork()? */
> #if BB_MMU
>                 child->pid = fork();
> +               debug_printf_exec(": vfork returned %d\n", child->pid);
> #else
>                 child->pid = vfork();
> +               debug_printf_exec(": fork returned %d\n", child->pid);
> #endif
>                 if (!child->pid) { /* child */
> 
> --
> vda
> 
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