Re: [RFA] work around sigsetjmp/siglongjmp macro problems

[Keith Seitz <keiths@cygnus.com>]

On Mon, 13 Aug 2001, Christopher Faylor wrote:

> My proposed patch is below.  It may even be an obvious fix.
>
> Keith, could you try this out and verify that it fixes the problem?

Yep, works just fine.

Keith

> 2001-08-13  Christopher Faylor  <cgf@cygnus.com>
>
> 	* top.c (SIGSETJMP): Protect macro argument with parentheses.
> 	(SIGLONGJMP): Protect macro argument with parentheses.
>
> Index: top.c
> ===================================================================
> RCS file: /cvs/uberbaum/gdb/top.c,v
> retrieving revision 1.42
> diff -p -r1.42 top.c
> *** top.c	2001/08/01 18:39:23	1.42
> --- top.c	2001/08/14 03:05:50
> *************** NORETURN void (*error_hook) (void) ATTR_
> *** 299,310 ****
>      directly.  */
>   #if defined(HAVE_SIGSETJMP)
>   #define SIGJMP_BUF		sigjmp_buf
> ! #define SIGSETJMP(buf)		sigsetjmp(buf, 1)
> ! #define SIGLONGJMP(buf,val)	siglongjmp(buf,val)
>   #else
>   #define SIGJMP_BUF		jmp_buf
>   #define SIGSETJMP(buf)		setjmp(buf)
> ! #define SIGLONGJMP(buf,val)	longjmp(buf,val)
>   #endif
>
>   /* Where to go for return_to_top_level.  */
> --- 299,310 ----
>      directly.  */
>   #if defined(HAVE_SIGSETJMP)
>   #define SIGJMP_BUF		sigjmp_buf
> ! #define SIGSETJMP(buf)		sigsetjmp((buf), 1)
> ! #define SIGLONGJMP(buf,val)	siglongjmp((buf), (val))
>   #else
>   #define SIGJMP_BUF		jmp_buf
>   #define SIGSETJMP(buf)		setjmp(buf)
> ! #define SIGLONGJMP(buf,val)	longjmp((buf), (val))
>   #endif
>
>   /* Where to go for return_to_top_level.  */
>