RFR 8252248: __SIGRTMAX is not declared in musl libc

[Alan Bateman]

On 28/08/2020 15:32, Alexander Scherbatiy wrote:
>
>   I run the java/nio/channels tests with the fix. There are five 
> failed tests that fail with and without the fix:
>     java/nio/channels/DatagramChannel/AdaptorMulticasting.java
> java/nio/channels/DatagramChannel/MulticastSendReceiveTests.java
>     java/nio/channels/DatagramChannel/PromiscuousIPv6.java
>     java/nio/channels/DatagramChannel/Loopback.java
>     java/nio/channels/FileChannel/FileExtensionAndMap.java
>
> The FileExtensionAndMap.java has clear fail message: "Error. Test 
> ignored: This test has huge disk space requirements".
The DatagramChannel failures are probably because of firewall or 
iptables issues too.  The FileExtensionAndMap test has @ignore so it 
will be skipped, maybe you are running jtreg directly and aren't use 
-ignore:quiet?

In any case, I think the changes look okay.

-Alan