RFR: 8255908: ExceptionInInitializerError due to UncheckedIOException while initializing cgroupv1 subsystem [v3]

[Poonam Bajaj]

> Hi,
> 
> Please review this simple change that catches UncheckedIOException that can occur if /proc/self/cgroup or /proc/self/mountinfo files don't exist on the system, or if there is an interrupt while these are being read.
> 
> Testing: Tier1, Tier2 and Tier3.
> 
> Thanks,
> Poonam

Poonam Bajaj has updated the pull request incrementally with one additional commit since the last revision:

  Added UnchedkedIOException catch blocks for sumTokensIOStat and getLongEntry methods

-------------

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/1303/files
  - new: https://git.openjdk.java.net/jdk/pull/1303/files/80799f29..8e39e8fb

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=1303&range=02
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=1303&range=01-02

  Stats: 7 lines in 2 files changed: 5 ins; 0 del; 2 mod
  Patch: https://git.openjdk.java.net/jdk/pull/1303.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/1303/head:pull/1303

PR: https://git.openjdk.java.net/jdk/pull/1303