RFR: 8238274: (sctp) JDK-7118373 is not fixed for SctpChannel [v4]

[Masanori Yano]

> Please review this change to the Unix implementations of sun.nio.ch.sctp.Sctp*ChannelImpl#implCloseSelectableChannel() 
> to be same as SocketChannelImpl at JDK-7118373. (The preClose is missing a check for the ST_KILLED state.)

Masanori Yano has updated the pull request incrementally with one additional commit since the last revision:

  8238274: (sctp) JDK-7118373 is not fixed for SctpChannel

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/5274/files
  - new: https://git.openjdk.java.net/jdk/pull/5274/files/c3bfdfc4..5ccdaed3

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=5274&range=03
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=5274&range=02-03

  Stats: 5 lines in 1 file changed: 4 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/5274.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/5274/head:pull/5274

PR: https://git.openjdk.java.net/jdk/pull/5274