[LTP] Re: [Ltp-cvs] ltp/testcases/kernel/mem/shmt shmt09.c,1.3,1.4

[Nathan S. <ns...@sg...>]

On Thu, Apr 17, 2003 at 07:19:24AM -0700, ro...@us... wrote:
> Update of /cvsroot/ltp/ltp/testcases/kernel/mem/shmt
> In directory sc8-pr-cvs1:/tmp/cvs-serv29161
> 
> Modified Files:
> 	shmt09.c 
> Log Message:
> Applied IA64 specific patch from Jacky.
> 
> 
> Index: shmt09.c
> ===================================================================
> RCS file: /cvsroot/ltp/ltp/testcases/kernel/mem/shmt/shmt09.c,v
> retrieving revision 1.3
> retrieving revision 1.4
> diff -u -d -r1.3 -r1.4
> --- shmt09.c	4 Mar 2003 18:33:51 -0000	1.3
> +++ shmt09.c	17 Apr 2003 14:19:21 -0000	1.4
[ Hunks snipped ]
> @@ -155,13 +164,23 @@
>  
>  /*--------------------------------------------------------*/
>  
> -
> +	if ((strncmp(kmachine, "ia64", 4)) == 0) {
> +		increment=8388608;	 /* 8Mb */
> +		while ((vp = sbrk(increment)) != (void *)-1);
> +		if (errno != ENOMEM) {
> +			tst_resm(TFAIL,
> +                	"Error: sbrk failed, errno = %d\n", errno) ;
> +			rm_shm(shmid);
> +			tst_exit();
> +		}
> +	} else {
>  	if ((vp = sbrk(16000)) != (void *)-1) {
> -		tst_resm(TFAIL,
> +		  tst_resm(TFAIL,
>  		  "Error: sbrk succeeded!  ret = 0x%08x, curbrk = 0x%08x, ",
>  		  vp, sbrk(0));
> -		rm_shm(shmid);
> -		tst_exit();
> +		  rm_shm(shmid);
> +		  tst_exit();
> +		}
>  	}
>  
>  	tst_resm(TPASS,"sbrk");

Can someone please explain what this fix is trying to do?  It just
seems that there should be a better way to do this test besides looking
at the uname output.

-- 
Nate Straz                                              ns...@sg...
sgi, inc                                           http://www.sgi.com/
Linux Test Project                                  http://ltp.sf.net/