POSIX compatibility change for including wait.h in UNIXProcess_md.c

[David Holmes]

Hi Jonathon,

On 12/01/2012 7:35 PM, Jonathan Lu wrote:
> It was found that solaris/native/java/lang/UNIXProcess_md.c includes
> <wait.h> which does not seem to be compliant with POSIX specification,
> in which the expected header file name should be <sys/wait.h>. see
> http://en.wikipedia.org/wiki/C_POSIX_library. I also performed a 'grep'
> for the code base, it seems nowhere else needs to be changed so far.
>
> So here is a simple patch to adjust this issue, any suggestions?
> http://cr.openjdk.java.net/~luchsh/wait_h_POSIX_comp/

It looks like this is a remnant from when we used waitid on Solaris. Now 
we use waitpid <sys/wait.h> is more correct - as per the man page.
On Linux wait.h simply includes sys/wait.h so no issue there.

This change looks okay to me. If Martin is still lurking here he may be 
able to confirm.

David