> To resolve java/io/File/GetXSpace.java failure, I fix libGetXSpace.c to use  
> Cygwin’s `df` to get the size for comparison if the test target drive is a 
> CD-ROM drive.
> 
> As described in JDK-8343342, GetDiskSpaceInformationW can't get information 
> about the size of the CD-ROM drive. 
> GetDiskFreeSpaceExW can also get information about the size of the CD-ROM 
> drive. However, because GetDiskFreeSpaceExW is called by the File.get-X-Space 
> methods, it seems more reasonable to compare the size got by other way than 
> GetDiskFreeSpaceExW as a test. For this reason, I use Cygwin's `df`.
> In JDK-8298619, GetDiskSpaceInformationW was adopted instead of `df` because 
> the size got by File.get-X-Space methods may not match the size got by `df` 
> when per-user quotas are used. I don't think this problem applies to CD-ROM  
> drive, so I think we can use Cygwin's `df` for CD-ROM drive.
> 
> After fix, I ran a test on Windows Server 2019 where drive C is a normal 
> local disk, drive D is an unmounted iso CD-ROM  drive, and drive F is an iso 
> mounted CD-ROM drive and confirmed that it passes.
> 
> I think this fix may also resolves the similar failure reported at 
> https://github.com/openjdk/jdk/pull/12397#issuecomment-1705164515.
> 
> Thanks

Taizo Kurashige has updated the pull request incrementally with one additional 
commit since the last revision:

  java.lang.Runtime.exec()

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/21799/files
  - new: https://git.openjdk.org/jdk/pull/21799/files/ae1450a6..3fb0dc4f

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=21799&range=09
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=21799&range=08-09

  Stats: 7 lines in 1 file changed: 2 ins; 3 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/21799.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/21799/head:pull/21799

PR: https://git.openjdk.org/jdk/pull/21799

Reply via email to