RFR(XS): 8219611: Remove superfluous sigfillset code

[David Holmes]

Looks good and trivial.

Thanks,
David

On 23/02/2019 11:12 am, Mikael Vidstedt wrote:
> 
> Please review this change which removes some superfluous code.
> 
> Bug: https://bugs.openjdk.java.net/browse/JDK-8219611 <https://bugs.openjdk.java.net/browse/JDK-8219611>
> webrev: http://cr.openjdk.java.net/~mikael/webrevs/8219611/webrev.00/open/webrev/ <http://cr.openjdk.java.net/~mikael/webrevs/8219611/webrev.00/open/webrev/>
> 
>  From JBS:
> 
> As part of https://bugs.openjdk.java.net/browse/JDK-8190308 the following code was added to os_posix.cpp (in os::create_file_for_heap):
> 
> 48153: sigset_t set, oldset;
> 48153: int ret = sigfillset(&set);
> 48153: assert_with_errno(ret == 0, "sigfillset returned error");
> 
> The "set" and "oldset" variables are not used later in the function, and sigfillset only affects the "set" variable, so this code is effectively a no-op.
> 
> Cheers,
> Mikael
>