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Re: Please test new NSLock implementation!


From: Philippe Roussel
Subject: Re: Please test new NSLock implementation!
Date: Wed, 02 Sep 2009 16:22:53 +0200

Le mercredi 02 septembre 2009 à 14:12 +0100, David Chisnall a écrit :
> Hi Everyone,
> 
> I've just committed a new version of all of the NSLock family of  
> classes to GNUstep-base, and a slightly reworked NSThread.  Bugs in  
> this code have the potential to break any multithreaded applications,  
> so please test them on your favourite platform, with your favourite  
> applications.  And on platforms you hate with apps you can't stand,  
> for that matter.

Hi David,

I've just launched the testsuite used for the GNUstep testfarm and it
stops on 'Testing base/NSLock/doubleLocking.m...'

address@hidden:~/sources/gnustep-testfarm/testsuite$ strace -p 8645
Process 8645 attached - interrupt to quit
futex(0x89e70fc, FUTEX_WAIT_PRIVATE, 2, NULL


(gdb) bt
#0  0x4001e430 in __kernel_vsyscall ()
#1  0x40363cf9 in __lll_lock_wait ()
at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/lowlevellock.S:136
#2  0x4035f129 in _L_lock_89 () from /lib/tls/i686/cmov/libpthread.so.0
#3  0x4035ea32 in __pthread_mutex_lock (mutex=0x89e70fc) at
pthread_mutex_lock.c:86
#4  0x4018ad78 in -[NSCondition lock] (self=0x89e70c8, _cmd=0x402eed80)
at NSLock.m:226
#5  0x4018a01b in -[NSConditionLock lock] (self=0x8a06780,
_cmd=0x804b600) at NSLock.m:308
#6  0x08049555 in main () at doubleLocking.m:26

This is on linux ix686.

Hope this helps,
Philippe






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