g to clean
this up this way.
From: David Holmes
To: Adam Farley8
Cc: Alan Bateman ,
core-libs-dev@openjdk.java.net, hotspot-runtime-...@openjdk.java.net,
thomas.stu...@gmail.com
Date: 25/10/2017 13:53
Subject: Re: [BUG PROPOSAL]: C++ code that calls JNI_CreateJavaVM can be
exited by java
---
p has sailed and we're unlikely to
want to invest the time and effort in trying to clean
this up this way.
From: David Holmes
To: Adam Farley8
Cc: Alan Bateman ,
core-libs-dev@openjdk.java.net, hotspot-runtime-...@openjdk.java.net,
thomas.stu...@gmail.com
Date: 25/
m: David Holmes
To: Adam Farley8 , Alan Bateman
, core-libs-dev@openjdk.java.net,
hotspot-runtime-...@openjdk.java.net, thomas.stu...@gmail.com
Date: 13/10/2017 14:31
Subject: Re: [BUG PROPOSAL]: C++ code that calls JNI_CreateJavaVM can be
exited by java
-
full code here in case people are concerned
> about contamination, but I would assert that this code (and the
> associated vm files) prove that the concept is possible.
>
> Note that that code should not be enabled until after we've
> integrated the code that can handle a sile
teman , Adam Farley8
, core-libs-dev@openjdk.java.net,
hotspot-runtime-...@openjdk.java.net, thomas.stu...@gmail.com
Date: 15/09/2017 12:03
Subject: Re: [BUG PROPOSAL]: C++ code that calls JNI_CreateJavaVM can be
exited by java
--
On 13/10/2017 13:16, Adam Farley8 wrote:
Hi All,
Here's a summary of the email below (which is intended, partly, as a
summary of the emails before it).
Let me know if you agree/disagree with any of these points.
:
3) One solution is to specify a new return code for JNI.
Yes, hence the need t
...@openjdk.java.net, thomas.stu...@gmail.com
Date: 15/09/2017 12:03
Subject:Re: [BUG PROPOSAL]: C++ code that calls JNI_CreateJavaVM
can be exited by java
On 15/09/2017 8:17 PM, Alan Bateman wrote:
> On 15/09/2017 02:47, David Holmes wrote:
>> Hi Adam,
>>
>> I a
l.com
Date: 15/09/2017 12:03
Subject:Re: [BUG PROPOSAL]: C++ code that calls JNI_CreateJavaVM
can be exited by java
On 15/09/2017 8:17 PM, Alan Bateman wrote:
> On 15/09/2017 02:47, David Holmes wrote:
>> Hi Adam,
>>
>> I am still very much torn over this one. I
Re: [BUG PROPOSAL]: C++ code that calls JNI_CreateJavaVM
can be exited by java
On 15/09/2017 8:17 PM, Alan Bateman wrote:
> On 15/09/2017 02:47, David Holmes wrote:
>> Hi Adam,
>>
>> I am still very much torn over this one. I think the idea of
>> print-a
On 15/09/2017 8:17 PM, Alan Bateman wrote:
On 15/09/2017 02:47, David Holmes wrote:
Hi Adam,
I am still very much torn over this one. I think the idea of
print-and-exit flags for a potentially hosted library like the JVM is
just wrong - we should never have done that, but we did. Fixing tha
On 15/09/2017 02:47, David Holmes wrote:
Hi Adam,
I am still very much torn over this one. I think the idea of
print-and-exit flags for a potentially hosted library like the JVM is
just wrong - we should never have done that, but we did. Fixing that
by moving the flags to the launcher is far
Hi Adam,
I am still very much torn over this one. I think the idea of
print-and-exit flags for a potentially hosted library like the JVM is
just wrong - we should never have done that, but we did. Fixing that by
moving the flags to the launcher is far from trivial**. Endorsing and
encouraging
Hi All,
I was advised (on the OpenJDK IRC channel) that supplying a fix is better
than
proposing the idea of one, so I've gone ahead and written a "silent exit"
fix for the
example case:
java -agentlib:jdwp=help
This fix solves that bug, and also creates the tools for other code, VM
and
othe
Hi All,
I've included the full text of my reply in-line below.
A summary is: I continue to support the idea of a new return code on the
basis
that, when the VM is nonusable but no error has occurred, we have no
suitable
option.
Right now we can:
- Report an error that has not occurred.
- Die a
On 24/08/2017 11:30 PM, Adam Farley8 wrote:
Hi Alan, David, and Tom,
First, thanks again for your efforts on this. As a new guy to OpenJDK
contributions, it means a lot to see so much progress on this so
quickly. :)
All I see is discussion :) Progress would be something else entirely.
>On
Hi Alan, David, and Tom,
First, thanks again for your efforts on this. As a new guy to OpenJDK
contributions, it means a lot to see so much progress on this so quickly.
:)
>On 24/08/2017 07:33, David Holmes wrote:
>> Hi Adam,
>>
>> cc'ing hotspot runtime dev as runtime own JNI and the invocatio
On 24/08/2017 07:33, David Holmes wrote:
Hi Adam,
cc'ing hotspot runtime dev as runtime own JNI and the invocation API -
and some of the problematic code resides in the VM.
Yeah, the hotspot mailing list would be a better place to discuss this
as there are several issues here and several place
On 24/08/2017 4:59 PM, Thomas Stüfe wrote:
Hi David,
our mails crossed :)
And unfortunately we each added in a different hotspot mailing list. :)
PS3: We should replace these annoying exit(0) calls with code
that returns
"JNI_SILENT_EXIT", so the C++ code has a cha
Hi David,
our mails crossed :)
> PS3: We should replace these annoying exit(0) calls with code that returns
>> "JNI_SILENT_EXIT", so the C++ code has a chance to finish.
>>
>
> We should certainly look at getting rid of the exit() calls.
Or at least consistently route them through the exit h
Thomas Stüfe
> To:Adam Farley8
> Cc: Java Core Libs
> Date:23/08/2017 18:45
> Subject:Re: [BUG PROPOSAL]: C++ code that calls JNI_CreateJavaVM
> can be exited by java
> --
>
>
>
> Hi Adam,
>
> woul
Hi Adam,
cc'ing hotspot runtime dev as runtime own JNI and the invocation API -
and some of the problematic code resides in the VM.
On 24/08/2017 1:54 AM, Adam Farley8 wrote:
Hi All,
Problem: Several of Java's "c" files call exit(0) if you pass certain
command-line options to JNI_CreateJavaV
uld
only return negative return codes to JNI callers, not java executable
users.
From: Thomas Stüfe
To: Adam Farley8
Cc: Java Core Libs
Date: 23/08/2017 18:45
Subject: Re: [BUG PROPOSAL]: C++ code that calls JNI_CreateJavaVM
can be exited by java
Hi Adam,
would th
Hi Adam,
would the JNI exit hook not solve your problem (JavaVMOption "exit")? One
could use it to intercept any exit(2) calls.
However, I am not sure it always fires, and if it does not, whether this
should be considered a bug. The official JNI documentation is pretty sparse
(
http://docs.oracle
Hi All,
Problem: Several of Java's "c" files call exit(0) if you pass certain
command-line options to JNI_CreateJavaVM, which can terminate the C++ code
JNI users use to initialise the JVM.
Example: If you write some C++ code that calls JNI_CreateJavaVM, and uses
the option "-agentlib:jdwp=hel
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