longjmp()/setjmp() difference between gcc 3.3 (Apple) and gcc 3.4.x

[Clifford Wolf]

Hi,

On Sat, Jan 22, 2005 at 03:30:49PM -0800, Richard Henderson wrote:
> On Sat, Jan 22, 2005 at 06:41:32PM +0100, Remy X.O. Martin wrote:
> > setjmp() needs to be called only once, I think..
> 
> Incorrect.  Once you leave the frame in which setjmp was called,
> the contents of the jmpbuf become invalid.

Also, you should think about using sigsetjmp() and siglongjmp() when
jumping from signal context back to "normal" program context..

yours,
 - clifford

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