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authorJeremie Koenig <jk@jk.fr.eu.org>2011-06-29 19:23:17 +0200
committerThomas Schwinge <thomas@schwinge.name>2011-06-29 20:10:24 +0200
commitef05ca2c0d33045566dc6c3d104a3c35a804e74e (patch)
treed92f1183b180aee01758e45b93d7a0cd147de196 /user/jkoenig
parent00b16b8a6d29e31a87c6ef89671f6f87e3be3b04 (diff)
java: status update for 2011-06-29
Diffstat (limited to 'user/jkoenig')
-rw-r--r--user/jkoenig/java.mdwn46
1 files changed, 34 insertions, 12 deletions
diff --git a/user/jkoenig/java.mdwn b/user/jkoenig/java.mdwn
index fad68f58..b289c0ed 100644
--- a/user/jkoenig/java.mdwn
+++ b/user/jkoenig/java.mdwn
@@ -34,12 +34,9 @@ Modified Debian packages are available in this repository:
### Glibc signal code improvements
-I have submitted
-[preliminary patches](http://lists.gnu.org/archive/html/bug-hurd/2011-05/msg00182.html)
-for global signal dispositions,
-which I'm currently testing.
-I have since fixed a few things and implemented `SA_SIGINFO`
-(which is required by OpenJDK.)
+2011-06-29:
+Patches were submitted to `libc-alpha`
+which implement global signal dispositions and `SA_SIGINFO`.
My latest code is available on
[github](http://github.com/jeremie-koenig/glibc/commits/master-beware-rebase),
and modified Debian packages
@@ -49,9 +46,10 @@ One question is how the new symbols introduced by my patches
should be handled.
Weak symbols turned out to be impractical,
so I'm currently considering using a Debian-specific
-symbol version in the interim period (`GLIBC_2.13_DEBIAN_7` so far).
+symbol version in the interim period (`GLIBC_2.13_DEBIAN_8` so far).
The ultimate symbol version to be used will depend on
-the time at which the patches get integrated upstream,
+the time at which the patches get integrated upstream
+(most likely `GLIBC_2.15`),
at which point we will alias the interim version
to the new one in debian packages.
@@ -72,10 +70,11 @@ see below.
#### Plans
-I will submit revised series for review later this week,
-as well as matching Debian patches.
-I expect only the last patch (implement global dispositions) will change,
-and new ones will be added on top of it.
+The patches are pending review and inclusion upstream.
+As soon as we reach an agreement wrt. the new interfaces
+(in particular wrt. the value of `SA_SIGINFO`),
+the patches will be applied to the Debian libc packages
+for broader testing.
##### Open Items
@@ -92,6 +91,9 @@ and new ones will be added on top of it.
> makes the system unstable.
> --[[jkoenig]] 2011-06-22
+ >> Correction: the patch is fine, problem solved.
+ >> --[[jkoenig]] 2011-06-29
+
* If [[jkoenig]] thinks it's mature enough: should ask
[[Samuel|samuelthibault]] to test these patches on the buildds.
@@ -103,6 +105,8 @@ and new ones will be added on top of it.
* Get patches reviewed (Roland?), and integrated into official sources: [!]
[[tschwinge]].
+ > In progress. --[[jkoenig]] 2011-06-29
+
* Documentations bits (from [[proposal]] and elsewhere) should probably be
moved either into the appropriate glibc or Hurd documentation
files/reference manuals, or to [[glibc/signal]].
@@ -114,6 +118,9 @@ and new ones will be added on top of it.
* Which numeric values to use for `SA_SIGINFO` (and `SA_NOCLDWAIT`)?
+ > Staying in sync with BSD seems the most logical approach,
+ > so I have defined it to 0x40. --[[jkoenig]] 2011-06-29
+
### Port OpenJDK
@@ -157,6 +164,15 @@ although the current toolchain issues
([[toolchain/ELFOSABI_HURD]])
have so far prevented me from testing it.
+> It turns out the build fails later on in `hotspot/agent`
+> because Hurd lack a `libthread_db.so`.
+> Also, a Shark version builds, but the result does not work so far.
+>
+> In other news, Damien Raude-Morvan is
+> [working on a kFreeBSD version](http://lists.debian.org/debian-java/2011/06/msg00124.html),
+> so I intend to merge my current patches with his.
+>
+> --[[jkoenig]] 2011-06-29
##### Open Items
@@ -172,6 +188,12 @@ have so far prevented me from testing it.
<http://mail.openjdk.java.net/pipermail/announce/2011-January/000092.html>,
for example. Do we need this, too?
+ > Probably not.
+ > My current approach (and Damien's wrt. the kFreeBSD patches)
+ > is to add preprocessor directives in the Linux code
+ > to make it more portable.
+ > --[[jkoenig]] 2011-06-29
+
* Eclipse
OK for testing -- but I'd very much hope that it *just works* as soon as we