Re: [Boost-users] the thread safe boost serialization library is threadsafe?

From: Andrej van der Zee (mavdzee_at_[hidden])
Date: 2007-07-09 18:28:55

For the time being, is it possible to use
serialization in multi-thread applications using
mutexes around serialization methods, or should it
totally be avoided?
Thanks,
Andrej

--- Robert Ramey <ramey_at_[hidden]> wrote:

> It has been determined that the boost serialization
> - contrary to
> intention - is not currently thread safe.  This will
> be addressed
> in a future release.
> 
> Robert Ramey
> 
> Fei Liu wrote:
> > I am testing a multi-thread app which uses boost
> serialization
> > library..I got the dreaded error:
> > *** glibc detected *** double free or corruption
> (fasttop):
> > 0x0aed93d0 *** Aborted
> >
> > Using a core dump and gdb, here is a backtrace. It
> appears it crashed
> > inside the multi-thread library. Any advice is
> appreciated..
> >
> > #0  0xb7f9a6be in
> >
>
boost::serialization::extended_type_info::type_info_key_cmp
> ()
> >   from
>
/usr/lib/libboost_serialization-gcc34-mt-1_34.so.1.34.0
> > (gdb) bt
> > #0  0xb7f9a6be in
> >
>
boost::serialization::extended_type_info::type_info_key_cmp
> ()
> >   from
>
/usr/lib/libboost_serialization-gcc34-mt-1_34.so.1.34.0
> > #1  0xb7f9a6f2 in
> boost::serialization::extended_type_info::operator<
> > () from
>
/usr/lib/libboost_serialization-gcc34-mt-1_34.so.1.34.0
> > #2  0xb7f9b43e in
> >
>
std::_Rb_tree<boost::serialization::extended_type_info
> const*,
> > boost::serialization::extended_type_info const*,
> >
>
std::_Identity<boost::serialization::extended_type_info
> const*>,
> >
>
boost::serialization::detail::tkmap::type_info_compare,
> >
>
std::allocator<boost::serialization::extended_type_info
> const*>
> >>>> insert_unique () from
> >
>
/usr/lib/libboost_serialization-gcc34-mt-1_34.so.1.34.0
> > #3  0xb7f9adfb in
> >  
>
boost::serialization::extended_type_info::self_register
> () from
> >
>
/usr/lib/libboost_serialization-gcc34-mt-1_34.so.1.34.0
> #4
> > 0x08053c23 in
> >
>
boost::archive::detail::iserializer<boost::archive::xml_iarchive,
> > std::map<std::string, std::string,
> std::less<std::string>,
> > std::allocator<std::pair<std::string const,
> std::string> > >
> >>>> load_object_data (this=0x805ba7c,
> ar=@0x933f71e0, x=0x933f73a8,
> >    file_version=2470408016) at
> extended_type_info_typeid.hpp:77
> > #5  0xb7f91900 in
> boost::archive::detail::basic_iarchive::load_object
> > () from
>
/usr/lib/libboost_serialization-gcc34-mt-1_34.so.1.34.0
> > #6  0x080537a7 in
> >
>
boost::archive::detail::iserializer<boost::archive::xml_iarchive,
> > ns::ge::rule>::load_object_data (this=0x805ba60,
> >    ar=@0x933f71e0, x=0x933f73a8, file_version=4)
> at
> > iserializer.hpp:143 #7  0xb7f91900 in
> >
> boost::archive::detail::basic_iarchive::load_object
> () from
> >
>
/usr/lib/libboost_serialization-gcc34-mt-1_34.so.1.34.0
> #8
> > 0x08052c82 in
> utils::xml::deserialize<ns::ge::rule> (s=@0x4,
> > is=@0xb7fb7f1e) at iserializer.hpp:143 #9 
> 0x08052f41 in
> > ns::ge::rules<ns::ge::rule>::process_xml
> (this=0x805b9a0,
> > xml=@0x933f7410) at ns_ge_rules.h:54 #10
> 0x08053353 in
> > ns::ge::rule_server<ns::ge::rules<ns::ge::rule>,
> > pthread::thread_pool> (arg=0xb7fb7f1e) at
> ns_ge_rule_listener.h:47
> > #11 0xb7bb73b0 in start_thread () from
> /lib/tls/libpthread.so.0 #12
> > 0xb79f426e in clone () from /lib/tls/libc.so.6 
> 
> 
> 
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>
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