[crac] RFR: CRaC: Fix fds opened for logging [v2]

[Jan Kratochvil]

> CRaC: Fix fds opened for logging

Jan Kratochvil has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains eight additional commits since the last revision:

 - AsyncLogWriter: add stop() and resume()
 - Merge branch 'crac' into crac-logfd
 - b229ea41: <no commit message found>
 - 8f161825: <no commit message found>
 - d8a454cb: <no commit message found>
 - Merge branch 'crac' into crac-logfd
 - +testcase
 - CRaC: Fix fds opened for logging

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

Changes:
  - all: https://git.openjdk.org/crac/pull/113/files
  - new: https://git.openjdk.org/crac/pull/113/files/17362702..39d38191

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=crac&pr=113&range=01
 - incr: https://webrevs.openjdk.org/?repo=crac&pr=113&range=00-01

  Stats: 153 lines in 16 files changed: 133 ins; 5 del; 15 mod
  Patch: https://git.openjdk.org/crac/pull/113.diff
  Fetch: git fetch https://git.openjdk.org/crac.git pull/113/head:pull/113

PR: https://git.openjdk.org/crac/pull/113