Re: libobjc threads leak?

[Andrew Pinski]

On Feb 8, 2005, at 10:34 PM, Larry Campbell wrote:

> I just switched from gcc 2.95.x, where the GNUstep dox say I must use 
> gnustep-objc, to gcc 3.3 where they say the built-in libobjc works 
> fine. But it doesn't. It leaks threads, so eventually your program 
> crashes in objc_detach_thread. The reason is that in gcc's libobjc, 
> threads are created joinable, so when they exit they hang around 
> forever waiting to be joined.
>
> In gthr-posix.h:
>
>   if (!(pthread_create (&new_thread_handle, NULL, (void *) func, arg)))
>
> the second argument to pthread_create is NULL, which means default 
> attributes, which on linux 2.4 I believe means the threads are 
> joinable, not detached. Now it looks like someone thought about this a 
> bit because in the same gthr-posix.h there is a variable called 
> _objc_thread_attribs initialized thusly:


Please file a bug in gcc's bugzilla since this is not a GNUStep bug but 
a libobjc one
and libobjc is part of gcc.
I will look into this when I become sober.


-- Pinski
A libobjc maintainer