On Thu, 14 Sep 2023 12:32:18 GMT, Joachim Kern <jk...@openjdk.org> wrote:
>> After push of [JDK-8307478](https://bugs.openjdk.org/browse/JDK-8307478) , >> the following test started to fail on AIX : >> com/sun/tools/attach/warnings/DynamicLoadWarningTest.java; >> The problem was described in >> [JDK-8309549](https://bugs.openjdk.org/browse/JDK-8309549) with a first try >> of a fix. >> A second fix via [JDK-8310191](https://bugs.openjdk.org/browse/JDK-8310191) >> was necessary. >> Both fixes just disable the specific subtest on AIX, without correction of >> the root cause. >> The root cause is, that dlopen() on AIX returns different handles every >> time, even if you load a library twice. There is no official AIX API >> available to get this information on a different way. >> My proposal is, to use the stat64x API with the fields st_device and >> st_inode. After a dlopen() the stat64x() API is called additionally to get >> this information which is then stored parallel to the library handle in the >> jvmtiAgent. For AIX we then can compare these values instead of the library >> handle and get the same functionality as on linux. > > Joachim Kern has updated the pull request incrementally with two additional > commits since the last revision: > > - Merge remote-tracking branch 'origin/JDK-8315706' into JDK-8315706 > - Following the proposals Changes requested by dholmes (Reviewer). src/hotspot/share/prims/jvmtiAgent.hpp line 48: > 46: #ifdef AIX > 47: unsigned long _inode; > 48: unsigned long _device; It is best, IMO, to use the actual types rather than something expected to be "equivalent". ------------- PR Review: https://git.openjdk.org/jdk/pull/15583#pullrequestreview-1628087511 PR Review Comment: https://git.openjdk.org/jdk/pull/15583#discussion_r1326697271