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List: fink-users
Subject: Re: [Fink-users] jpilot fork error messages
From: Alexander Hansen <alexanderk.hansen () gmail ! com>
Date: 2008-12-10 21:50:01
Message-ID: EA747888-0A9D-4C4B-8713-0B74D28134D8 () gmail ! com
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On Dec 10, 2008, at 4:21 PM, Holger Müller wrote:
> I just updated (to revision 104 ...).
> The sync works now :-)
>
> But, I still get a warning on my console:
> (jpilot:15388): Gtk-CRITICAL **: gtk_text_buffer_insert: assertion
> `text != NULL' failed
>
I don't get that one here.
> Also, the output of the sync starts after the sync is finished (so
> in the meantime nothing happens). On my Linux system the output
> starts at once and I see the progress.
>
I've put a note in the DescUsage about that, so it's described by
"fink info jpilot". This is due to the patch I had to use to get it
to sync.
> Last but not least the whole application hangs, if a sync is not
> possible (e.g. no palm connected).
Same reason there.
>
>
> Maybe you have some fixes for that.
>
I tried using a technique that some other packages use to deal with
the same issue, but that didn't work. Unfortunately what I did do
means that the GUI application doesn't deal properly with a missing
handheld. To fix it would involve way more OS X-specific coding than
upstream was prepared to do, much less me at this stage.
> Thank you very much.
> Holger
>
> 2008/12/10 Alexander Hansen <alexanderk.hansen@gmail.com>
> I've committed a fix to the unstable tree (revision 103). If that
> works adequately for you, let me know, so that I can move it over to
> stable.
>
> On Dec 9, 2008, at 3:35 PM, Holger Müller wrote:
>
>> Hi,
>>
>> thanks for the quick rely. Don't you use Leopard to verify that?
>> But I think you are right. I did some googeling and found that
>> statement here
>> This is caused by programs that use the fork() or daemon() function
>> in combination with higher-level APIs. In Leopard you cannot use
>> the CoreFoundation (CF...) APIs on the child side of a fork()
>> without following it with an exec*() function. This has always been
>> true, but Leopard is much more stingy about this kind of thing.
>> http://discussions.apple.com/thread.jspa?threadID=1209537&tstart=0
>>
>> Hope someone finds a fix.
>>
>> Thanks Holger
>>
>> 2008/12/9 Alexander Hansen <alexanderk.hansen@gmail.com>
>>
>> On Dec 9, 2008, at 1:58 PM, Holger Müller wrote:
>>
>>> Hi list! :-)
>>>
>>> this is my first message. I am using fink 0.9.0 switched to cvs.
>>> I have installed jpilot 1.6.0-102 and pilot-link 0.12.3-2.
>>>
>>> Until now I was not able to sync my Palm m505 on my MacBook using
>>> Leopard 10.5.5. In the settings I used "usb:" for the device.
>>> If I start JPilot from the terminal and press the sync button in
>>> the application I get these messages printed 4 times:
>>>
>>> The process has forked and you cannot use this CoreFoundation
>>> functionality safely. You MUST exec().
>>> Break on
>>> __THE_PROCESS_HAS_FORKED_AND_YOU_CANNOT_USE_THIS_COREFOUNDATION_FUNCTIONALITY___YOU_MUST_EXEC__
>>> () to debug.
>>>
>>>
>>>
>>> The command
>>> > pilot-xfer -p usb: --list
>>>
>>> Listening for incoming connection on usb:... connected!
>>>
>>> Reading list of databases in RAM...
>>>
>>> works. Also the command "jpilot-sync" works as expected (syncing
>>> my Palm on the console). Only the sync from the JPilot GUI seems
>>> to have a problem. I also tried to recompile jpilot without the
>>> flock using fcntl (implemented by not setting the compiler switch
>>> "USE_FLOCK") did not help.
>>> Does someone have a solution for it?
>>>
>>> Thanks Holger
>>>
>>>
>>
>>
>> This is the first report I've seen about this issue.
>>
>> I don't think this is a matter for flock vs fcntl, but rather
>> something specific to how Leopard handles forking. The maintainer
>> for KDE had to put a hack in kdelibs3 to handle a similar error.
>>
>
>
[Attachment #5 (text/html)]
<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; \
-webkit-line-break: after-white-space; "><br><div><div>On Dec 10, 2008, at 4:21 PM, \
Holger Müller wrote:</div><br class="Apple-interchange-newline"><blockquote \
type="cite">I just updated (to revision 104 ...).<br>The sync works now \
:-)<br><br>But, I still get a warning on my console:<br>(jpilot:15388): Gtk-CRITICAL \
**: gtk_text_buffer_insert: assertion `text != NULL' \
failed<br><br></blockquote><div><br></div><div>I don't get that one \
here.</div><br><blockquote type="cite">Also, the output of the sync starts after the \
sync is finished (so in the meantime nothing happens). On my Linux system the output \
starts at once and I see the progress.<br> <br></blockquote><div><br></div><div>I've \
put a note in the DescUsage about that, so it's described by "fink info jpilot". \
This is due to the patch I had to use to get it to sync. \
</div><br><blockquote type="cite">Last but not least the whole \
application hangs, if a sync is not possible (e.g. no palm \
connected).</blockquote><div><br></div><div>Same reason there.</div><br><blockquote \
type="cite"><br><br>Maybe you have some fixes for \
that.<br><br></blockquote><div><br></div><div> I tried using a technique that \
some other packages use to deal with the same issue, but that didn't work. \
Unfortunately what I did do means that the GUI application doesn't deal properly with \
a missing handheld. To fix it would involve way more OS X-specific coding than \
upstream was prepared to do, much less me at this \
stage.</div><div><br></div><blockquote type="cite">Thank you very \
much.<br>Holger<br><br><div class="gmail_quote">2008/12/10 Alexander Hansen <span \
dir="ltr"><<a href="mailto:alexanderk.hansen@gmail.com">alexanderk.hansen@gmail.com</a>></span><br> \
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); \
margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><div style=""><div>I've committed a \
fix to the unstable tree (revision 103). If that works adequately for you, let \
me know, so that I can move it over to stable.</div> <div><div></div><div \
class="Wj3C7c"><br><div><div>On Dec 9, 2008, at 3:35 PM, Holger Müller \
wrote:</div><br><blockquote type="cite">Hi,<br><br>thanks for the quick rely. Don't \
you use Leopard to verify that? But I think you are right. I did some googeling and \
found that statement here<br> <blockquote style="border-left: 1px solid rgb(204, 204, \
204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;" class="gmail_quote"> This is \
caused by programs that use the fork() or daemon() function in combination with \
higher-level APIs. In Leopard you cannot use the CoreFoundation (CF...) APIs on the \
child side of a fork() without following it with an exec*() function. This has always \
been true, but Leopard is much more stingy about this kind of thing.<br> \
</blockquote> <a href="http://discussions.apple.com/thread.jspa?threadID=1209537&tstart=0" \
target="_blank">http://discussions.apple.com/thread.jspa?threadID=1209537&tstart=0</a><br><br>Hope \
someone finds a fix.<br> <br>Thanks Holger<br><br><div class="gmail_quote"> 2008/12/9 \
Alexander Hansen <span dir="ltr"><<a href="mailto:alexanderk.hansen@gmail.com" \
target="_blank">alexanderk.hansen@gmail.com</a>></span><br><blockquote \
class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt \
0pt 0.8ex; padding-left: 1ex;"> <div><div><div></div><div><br><div><div>On Dec 9, \
2008, at 1:58 PM, Holger Müller wrote:</div><br><blockquote type="cite">Hi list! \
:-)<br><div class="gmail_quote"><br>this is my first message. I am using fink 0.9.0 \
switched to cvs.<br> I have installed jpilot 1.6.0-102 and pilot-link \
0.12.3-2.<br><br><div class="gmail_quote">Until now I was not able to sync my Palm \
m505 on my MacBook using Leopard <a href="http://10.5.5." target="_blank">10.5.5.</a> \
In the settings I used "usb:" for the device.<br> If I start JPilot from the terminal \
and press the sync button in the application I get these messages printed 4 \
times:<br> <br><blockquote style="border-left: 1px solid rgb(204, 204, 204); margin: \
0pt 0pt 0pt 0.8ex; padding-left: 1ex;" class="gmail_quote"> The process has forked \
and you cannot use this CoreFoundation functionality safely. You MUST exec().<br> \
Break on __THE_PROCESS_HAS_FORKED_AND_YOU_CANNOT_USE_THIS_COREFOUNDATION_FUNCTIONALITY___YOU_MUST_EXEC__() \
to debug.<br> </blockquote><br clear="all"><br><br>The command<br><blockquote \
style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; \
padding-left: 1ex;" class="gmail_quote"> > pilot-xfer -p usb: --list<br><br> \
Listening for incoming connection on usb:... connected!<br> \
<br> Reading list of databases in RAM...<br></blockquote><br>works. Also \
the command "jpilot-sync" works as expected (syncing my Palm on the console). \
Only the sync from the JPilot GUI seems to have a problem. I also tried to recompile \
jpilot without the flock using fcntl (implemented by not setting the compiler switch \
"USE_FLOCK") did not help.<br> Does someone have a solution for it? <br><br>Thanks \
Holger<br> </div><br></div><br></blockquote></div><div><br></div></div></div><div>This \
is the first report I've seen about this issue.</div><div><br></div><div>I don't \
think this is a matter for flock vs fcntl, but rather something specific to how \
Leopard handles forking. The maintainer for KDE had to put a hack in kdelibs3 \
to handle a similar error. </div> \
</div></blockquote></div><br></blockquote></div><br></div></div></div></blockquote></div><br></blockquote></div><br></body></html>
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