[U-Boot] exit(-1) function in U-Boot

[Drasko DRASKOVIC]

On Tue, Mar 17, 2009 at 11:18 AM, Drasko DRASKOVIC <
drasko.draskovic at gmail.com> wrote:

> Actually, I ment U-boot itself. When I said application, I was wrong. I
> ment for example command, which is part of U-Boot. If I want to exit when
> something is wrong within TFTP for example, I cannnot break execution and
> regain U-Boot shell? (Otherwise, I have to go back to calling functions in
> net.c, etc..., which is not what I want. I want to stop on the place error
> happened.)
>
> BR,
> Drasko
>
>
> On Fri, Mar 13, 2009 at 2:49 PM, Wolfgang Denk <wd at denx.de> wrote:
>
>> Dear Drasko,
>>
>> In message <5ec3d7930903130339t592e64a8o5ace302e06976ea at mail.gmail.com>
>> you wrote:
>> >
>> > I am having hard time to find exit() function in U-Boot, so I can exit
>> from
>> > a application at any function when something goes wrong.
>>
>> U-Boot itself has no exit, obviously.
>>
>> But you mention "application", so I guess you are referring to stand-
>> alone applications; these terminate when  you  return  from  the  top
>> level function. How you arrange for that is up to you. setjmp / long-
>> jmp are usually trivial to implement / use.
>>
>> Best regards,
>>
>> Wolfgang Denk
>>
>> --
>> DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
>> HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
>> Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
>> No one can guarantee the actions of another.
>>        -- Spock, "Day of the Dove", stardate unknown
>>
>
>