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Date: Tue, 12 Jul 2011 21:35:24 +0300
Message-ID: <CAA2C=vB-UokJqeum8TNVuY5B_mCEpTWSGF5puSqhDKgb-G_UQA@mail.gmail.com>
Subject: Re: longjmp not marked with noreturn attribute
From: Ozkan Sezer <sezeroz AT gmail DOT com>
To: djgpp-workers AT delorie DOT com
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On Tue, Jul 12, 2011 at 8:45 PM, Juan Manuel Guerrero
<juan DOT guerrero AT gmx DOT de> wrote:
> Am Montag, 11. Juli 2011 schrieb Ozkan Sezer:
>> On Sun, Jul 10, 2011 at 11:11 PM, Juan Manuel Guerrero
>> <juan DOT guerrero AT gmx DOT de> wrote:
>> > Am Sonntag, 10. Juli 2011 schrieb Ozkan Sezer:
>> >> The setjmp.h from djgpp does not mark longjmp() as noreturn,
>> >> therefore, g++ warns upon seeing a function who is calling longjmp()
>> >> and marked as noreturn:
>> > [snip]
>> >
>> > I commited the patch.
>> >
>> > Regards,
>> > Juan M. Guerrero
>> >
>>
>> Thanks.
>>
>> However, I seem to missed touching siglongjmp in the same way:
>> it needs the same noreturn attribute, too.
>>
>> --
>> O.S.
>>
>
> Commited the following patch.
>
> Regards,
> Juan M. Guerrero
>
>
>
> Index: djgpp/include/setjmp.h
> ===================================================================
> RCS file: /cvs/djgpp/djgpp/include/setjmp.h,v
> retrieving revision 1.7
> diff -U 5 -r1.7 setjmp.h
> --- djgpp/include/setjmp.h      10 Jul 2011 20:13:23 -0000      1.7
> +++ djgpp/include/setjmp.h      12 Jul 2011 17:46:24 -0000
> @@ -34,11 +34,11 @@
>  #ifndef __STRICT_ANSI__
>
>  typedef jmp_buf sigjmp_buf;
>
>  int    sigsetjmp(sigjmp_buf env, int savemask);
> -int    siglongjmp(sigjmp_buf env, int val);
> +int    siglongjmp(sigjmp_buf env, int val) __attribute__((__noreturn__));
>
>  #ifndef _POSIX_SOURCE
>
>  #endif /* !_POSIX_SOURCE */
>  #endif /* !__STRICT_ANSI__ */
>
>

Thanks, that finishes it.

--
O.S.