Re: [boost] [pool] segfault

From: Phil Bouchard (philippe_at_[hidden])
Date: 2008-07-06 15:46:26

"Chris Newbold" <Chris.Newbold_at_[hidden]> wrote in message 
news:6F6A2FC198A0F943ACC2259C38A2E30B6688EDD1A8_at_EXCHANGE-AH.ad.mathworks.com...

[...]

> Greetings; I've just assumed maintainership for Boost.Pool, so please bear 
> with me as I work through the code.
>
> I can't see any obvious reason why this would be failing. Defining static 
> data members (i.e. owned_base::pool) in a header file always makes me a 
> little nervous, though. I've seen too many cases where compilers foul up 
> the ODR under such conditions; GCC 3.4.6 is a bit old...
>
> Could you provide a stack trace of the crash? That would make it easier to 
> get some traction on what might be going wrong here. Thanks.

I get the following backtrace, but I haven't investiguated thta much yet. 
It looks to be an STL problem but I'll check this out tomorrow:

#0  0x0804fc7a in std::_List_base<std::pair<char*, char*>, 
boost::fast_pool_allocator<std::pair<char*, char*>, 
boost::default_user_allocator_new_delete, 
boost::details::pool::pthread_mutex, 32u> >::_M_clear (
    this=0x8dc2008) at /usr/include/c++/4.3/bits/list.tcc:77
#1  0x0804fcdb in ~_List_base (this=0x8dc2008) at 
/usr/include/c++/4.3/bits/stl_list.h:358
#2  0x0804fcef in ~list (this=0x8dc2008) at 
/usr/include/c++/4.3/bits/stl_list.h:417
#3  0x0804fd4f in ~auto_ptr (this=0x80685b8) at 
/usr/include/c++/4.3/backward/auto_ptr.h:173
#4  0x0804fe80 in ~pool (this=0x80685a0) at 
../../../boost/detail/sh_owned_base_nt.hpp:71
#5  0x006bc527 in exit () from /lib/tls/libc.so.6
#6  0x006a6ded in __libc_start_main () from /lib/tls/libc.so.6
#7  0x08048df1 in _start ()

-Phil