On Thu, 7 Jan 2021 03:40:29 GMT, Sergey Bylokhov <s...@openjdk.org> wrote:
>> The test checks that the timestamp of the mouse event accurately represents >> the current time of the system, even if the time of the system is jumped to >> the past/future. >> >> On Unix in xawt we calculate the timstamp using this method: >> reset_time_utc = System.currentTimeMillis() - getCurrentServerTime(); >> timstamp = reset_time_utc + server_offset; >> >> (1.) Note that the "server_offset" - timstamp when the native event was >> generated, and we try to convert it to the UTC timestamp. Unfortunatly we >> callculate the "reset_time_utc" only once at the start of the application >> and then rarely update it. So if the time in the system is changed we still >> use the old one. >> >> The exactly the same bug described at (1.) was fixed on windows by the >> https://bugs.openjdk.java.net/browse/JDK-6461933 and for that bug the test >> in question was created. That bug was fixed by the "recalculation" system >> time more often. But it does not solve the general time issue and the code >> was reworked again by the https://bugs.openjdk.java.net/browse/JDK-8046495 >> >> I would like to fix the current bug in the same was as on windows, see link >> below: >> https://bugs.openjdk.java.net/browse/JDK-8046495?focusedCommentId=13517205&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-13517205 >> >> After the fix we will use the same >> System.currentTimeMillis()/JVM_CurrentTimeMillis on all platforms. > > Sergey Bylokhov 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 two additional > commits since the last revision: > > - Merge branch 'master' into JDK-7194219 > - Initial fix Marked as reviewed by aivanov (Reviewer). ------------- PR: https://git.openjdk.java.net/jdk/pull/925