Re: Emacs.app (from BZR) and GNUstep (from SVN)

[Germán Arias]

You are right this is confusing. But maybe is possible delete this code 
that don't have sense.

On 2011-12-23 03:07:24 -0600 Ivan Vučica <address@hidden> wrote:

> I'm new to Xlib, but isn't Pixmap an integer? How could have one ever sent an 
> Objective-C message to an integer?
> 
> Shouldn't there be a wrapper around this integer if one wants to retain it?
> 
> Why bother retaining an object which is not a part of Objective-C reference 
> counting system?
> 
> I'm confused. :)
> 
> Regards,
> 
> Ivan Vučica
> via phone
> 
> On 23. 12. 2011., at 02:47, Germán Arias <address@hidden> wrote:
> 
>> Currently Emacs.app crash at launch with GNUstep. It worked fine 
>> previously. I thought
>> it was caused by changes in emacs, but someone has confirmed it works fine 
>> with the stable
>> packages of GNUstep (I will test it tomorrow). So the problem could be in 
>> gnustep. Below I
>> add the backtrace. The app crash because can't retain a pixmap.
>> 
>> Here the backtrace:
>> 
>> (gdb) backtrace
>> #0  objc_msg_lookup (receiver=0x1400016, op=0x8482710)
>>     at /home/german/Instalados/GCC/gcc-4.6.0/libobjc/sendmsg.c:397
>> #1  0x082657b0 in ns_retain_object (obj=0x1400016) at nsterm.m:466
>> #2  0x08255ac2 in XGetImage (display=0x89af8e8, pixmap=0x1400016, x=0, y=0,
>>     width=64, height=64, plane_mask=4294967295, format=2) at image.c:160
>> #3  0xb50a62ea in ?? () from /usr/lib/libcairo.so.2
>> #4  0x089af8e8 in ?? ()
>> #5  0x01400016 in ?? ()
>> #6  0x00000000 in ?? ()
>> (gdb)
>> 
>> 
>> At frame 2 the function XGetImage is:
>> 
>> XImagePtr
>> XGetImage (Display *display, Pixmap pixmap, int x, int y,
>>            unsigned int width, unsigned int height,
>>            unsigned long plane_mask, int format)
>> {
>>   /* TODO: not sure what this function is supposed to do.. */
>>   ns_retain_object (pixmap);
>>   return pixmap;
>> }
>> 
>> And at frame 1 the function ns_retain_object is:
>> 
>> void
>> ns_retain_object (void *obj)
>> /* 
>> --------------------------------------------------------------------------
>>     Retain an object (callable from C)
>>  
>> -------------------------------------------------------------------------- 
>> */
>> {
>>     [(id)obj retain];
>> }
>> 
>> Can this problem be related with the changes about how the images
>> are handled? Any idea? Thanks.
>> 
>> 
>> _______________________________________________
>> Gnustep-dev mailing list
>> address@hidden
>> https://lists.gnu.org/mailman/listinfo/gnustep-dev
> 
>