Re: [LTP] [PATCH V2] ppoll01: add signal() syscall to register the signal handler

[Subrata Modak <subrata@linux.vnet.ibm.com>]

On Wed, 2009-10-14 at 12:11 +0530, Chandru wrote: 
> On Tuesday 13 October 2009 17:43:37 Subrata Modak wrote:
> > On Thu, 2009-10-01 at 13:40 +0530, Chandru wrote: 
> > > The ppoll01 testcase has a signal handler in it but this signal handler is not registered with the kernel through the signal() syscall. The testcase fails when it sends a SIGINT to itself as part of one of the case of the test run.
> > > The following patch
> > > 1. Adds a signal() syscall to register the signal handler
> > > 2. Corrects the expected 'revents' for the case where ppoll() is called on a file which is only opened in read/write mode, i.e case00.
> > > 
> > > Signed-off-by: Chandru S <chandru@linux.vnet.ibm.com>
> > 
> > Hi Chandru,
> > 
> > Can you please resend this with a diff from the Latest CVS snapshot ?
> > 
> 
> Hi Subrata, 
> 
> Thanks for letting me know. Here is the patch taken from the latest snapshot. 
> 
> The following patch adds a signal() syscall to the ppoll01 testcase. The testcase has a signal handler in it but this signal handler is not registered with the kernel through the signal() syscall.  Without the patch the testcase fails when it sends a SIGINT to itself as part of one of the case of the test run.
> 
> Signed-off-by: Chandru S <chandru@linux.vnet.ibm.com>

Thanks.

Regards--
Subrata

> ---
> 
> --- ltp/testcases/kernel/syscalls/ppoll/ppoll01.c.orig	2009-10-14 16:58:45.547235527 +0530
> +++ ltp/testcases/kernel/syscalls/ppoll/ppoll01.c	2009-10-14 16:53:42.828486675 +0530
> @@ -106,6 +106,8 @@ extern void cleanup() {
>          tst_exit();
>  }
> 
> +void sighandler(int sig);       /* signals handler function for the test */
> +
>  /* Local  Functions */
>  /******************************************************************************/
>  /*                                                                            */
> @@ -126,6 +128,8 @@ extern void cleanup() {
>  /******************************************************************************/
>  void setup() {
>          /* Capture signals if any */
> +	signal(SIGINT, &sighandler);
> +
>          /* Create temporary directories */
>          TEST_PAUSE;
>          tst_tmpdir();


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