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Re: Mixing X and GNUstep
From: |
Raffael Herzog |
Subject: |
Re: Mixing X and GNUstep |
Date: |
Sat, 12 Jul 2003 19:34:56 +0200 |
Hi,
I've got more information, now... I recompiled all the GNUstep stuff with
"debug=yes" and analyzed the segfault a bit more.
I changed +isDocumentBasedApplication: of NSDocumentController as follows:
+ (BOOL) isDocumentBasedApplication
{
NSBundle *bundle = [NSBundle mainBundle];
NSLog([NSString stringWithFormat: @"Got bundle: 0x%08lx", bundle]);
NSDictionary *dict = [bundle infoDictionary];
NSLog([NSString stringWithFormat: @"Got dictionary: 0x%08lx", dict]);
id obj = [dict objectForKey: NSTypesKey];
NSLog([NSString stringWithFormat: @"Got object for NSTypesKey: 0x%08lx",
obj]);
if ( obj ) {
NSLog(@"Document based");
return YES;
}
else {
NSLog(@"NOT document based");
return NO;
}
// return ([[[NSBundle mainBundle] infoDictionary] objectForKey: NSTypesKey])
// ? YES : NO;
}
And here's the output:
[...]
2003-07-12 19:14:42.597 GSXine[25301] NOT document based
2003-07-12 19:14:42.600 GSXine[25301] Got bundle: 0x0810c240
2003-07-12 19:14:42.609 GSXine[25301] Got dictionary: 0x08188138
2003-07-12 19:14:42.612 GSXine[25301] Got object for NSTypesKey: 0x00000000
2003-07-12 19:14:42.616 GSXine[25301] NOT document based
2003-07-12 19:14:42.634 GSXine[25301] Received an untrapped event 94
2003-07-12 19:14:42.645 GSXine[25301] Got bundle: 0x0810c240
Speicherzugriffsfehler (core dumped)
This means, that it's the the call of -infoDictionary that makes the
application crash. Reproduced many times, it's always the same thing, so it
doesn't seem to be anything that happens randomly.
The backtrace with line numbers:
#0 0x4064acaf in objc_msg_lookup (receiver=0x810c0e0, op=0x403bf5e8) at
sendmsg.c:177
#1 0x4021cecb in +[NSDocumentController isDocumentBasedApplication]
(self=0x403bf540, _cmd=0x403aa608)
at NSDocumentController.m:136
#2 0x401cbfe1 in -[NSApplication targetForAction:] (self=0x81719c8,
_cmd=0x403ce6a0, aSelector=0x804b270)
at NSApplication.m:1640
#3 0x402584dd in -[NSMenu update] (self=0x8335338, _cmd=0x403ce688) at
NSMenu.m:775
#4 0x40258437 in -[NSMenu update] (self=0x83939b8, _cmd=0x403aa290) at
NSMenu.m:760
#5 0x401ca3d0 in -[NSApplication run] (self=0x81719c8, _cmd=0x403a83b0) at
NSApplication.m:1075
#6 0x401c1913 in NSApplicationMain (argc=1, argv=0xbffff184) at
Functions.m:72
#7 0x08048d53 in main (argc=1, argv=0xbffff184) at main.m:9
I'm using gnustep-objc-1.2.3.
$ gcc --version
gcc (GCC) 3.2.3 20030415 (Debian prerelease)
Copyright (C) 2002 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
$
Hmmm... I've just seen: "Debian prerelease"...
^^^^^^^^^^
cu,
Raffi
--
The difference between theory and practice is that in theory, there is
no difference, but in practice, there is.
Raffael Herzog - herzog@raffael.ch - http://www.raffael.ch - ICQ #67961355