Re: [Boost-users] [Boost-user]multithreaded app hangs in boost libraries
Can you please describe a bit more? How do you start your threads (before your app enters main or from the main)? Is there any chance, that you create threads and afterwards leave main? Try to build in some simple logging mechanism, which will produce logs to cout from your threads and main as well... Do not forget to lock access to cout. Try may be create an instance of a global object, which will output log message from its constructor. With Kind Regards, Ovanes Markarian On Thu, July 5, 2007 15:05, Farberov, Inga wrote:
Hello,
I have written a static library that uses boost program_options, threads, date-time and serialization libraries. There is also an extensive use of shared_ptr.
I am working on a multithreaded application, so when I link my library into the executable, I use multithreaded versions of the boost libraries. When I compile my library and application that links to it, I use -pthread flag in attempt to make it multi-threaded.
Everything compiles and links without a problem, however when I try to run the application, it hangs. I have tried to bedug it and when I suspend a hanging thread it gives me following stack trace:
18 _dl_sysinfo_int80() 0x003317a2
17 __lll_mutex_lock_wait() 0x0062e30e
16 _L_mutex_lock_35() 0x0062af3b
15 <symbol is not available> 0x080c80e8
14 <symbol is not available> 0x00472ff4
13 <symbol is not available> 0x080c80e8
12 <symbol is not available> 0xbffff6b0
11 <symbol is not available> 0xbffff208
10 pthread_mutex_lock() 0x0042097e
9 pthread_mutex_lock() 0x0042097e
8 scoped_lock() /usr/include/boost/detail/lwm_pthreads.hpp:72 0x080598eb
7 boost::detail::sp_counted_base::add_ref_copy() /usr/include/boost/detail/shared_count.hpp:122 0x0805b679
6 shared_count() /usr/lib/boost/include/boost-1_34/boost/detail/shared_count.hpp:216 0x0805b65b
5 shared_ptr() /usr/include/c++/3.4.6/bits/stl_construct.h:81 0x0807a7c8
4 boost::program_options::options_description_easy_init::operator() libs/program_options/src/options_description.cpp:178 0xb7fd7189
3 Settings() ../Settings.cpp:9 0x08081808
If this post sounds familiar, that's because this is my second attempt to get this problem resolved.
Previously I have been told that this sounds like I've built my application with single-threading, and linked it to multi-threaded build of a boost library, or vice versa.
Could you please let me know what's the right way to build my app with multi-threading.
I am using Boost 1.34 libraries on Linux and compile with gcc 3.4.6
Thank you in advance for your help,
Inga
_______________________________________________ Boost-users mailing list Boost-users@lists.boost.org http://lists.boost.org/mailman/listinfo.cgi/boost-users
My application actually hangs in the initialization phase, before I even get a chance to start any threads - in the main thread. The stacktrace that I have attached resulted from a call to init program_options object. Inga -----Original Message----- From: boost-users-bounces@lists.boost.org [mailto:boost-users-bounces@lists.boost.org] On Behalf Of Ovanes Markarian Sent: Thursday, July 05, 2007 9:16 AM To: boost-users@lists.boost.org Subject: Re: [Boost-users] [Boost-user]multithreaded app hangs in boost libraries Can you please describe a bit more? How do you start your threads (before your app enters main or from the main)? Is there any chance, that you create threads and afterwards leave main? Try to build in some simple logging mechanism, which will produce logs to cout from your threads and main as well... Do not forget to lock access to cout. Try may be create an instance of a global object, which will output log message from its constructor. With Kind Regards, Ovanes Markarian On Thu, July 5, 2007 15:05, Farberov, Inga wrote:
Hello,
I have written a static library that uses boost program_options, threads, date-time and serialization libraries. There is also an extensive use of shared_ptr.
I am working on a multithreaded application, so when I link my library into the executable, I use multithreaded versions of the boost libraries. When I compile my library and application that links to it, I use -pthread flag in attempt to make it multi-threaded.
Everything compiles and links without a problem, however when I try to run the application, it hangs. I have tried to bedug it and when I suspend a hanging thread it gives me following stack trace:
18 _dl_sysinfo_int80() 0x003317a2
17 __lll_mutex_lock_wait() 0x0062e30e
16 _L_mutex_lock_35() 0x0062af3b
15 <symbol is not available> 0x080c80e8
14 <symbol is not available> 0x00472ff4
13 <symbol is not available> 0x080c80e8
12 <symbol is not available> 0xbffff6b0
11 <symbol is not available> 0xbffff208
10 pthread_mutex_lock() 0x0042097e
9 pthread_mutex_lock() 0x0042097e
8 scoped_lock() /usr/include/boost/detail/lwm_pthreads.hpp:72 0x080598eb
7 boost::detail::sp_counted_base::add_ref_copy() /usr/include/boost/detail/shared_count.hpp:122 0x0805b679
6 shared_count() /usr/lib/boost/include/boost-1_34/boost/detail/shared_count.hpp:216 0x0805b65b
5 shared_ptr() /usr/include/c++/3.4.6/bits/stl_construct.h:81 0x0807a7c8
4 boost::program_options::options_description_easy_init::operator() libs/program_options/src/options_description.cpp:178 0xb7fd7189
3 Settings() ../Settings.cpp:9 0x08081808
If this post sounds familiar, that's because this is my second attempt to get this problem resolved.
Previously I have been told that this sounds like I've built my application with single-threading, and linked it to multi-threaded build of a boost library, or vice versa.
Could you please let me know what's the right way to build my app with multi-threading.
I am using Boost 1.34 libraries on Linux and compile with gcc 3.4.6
Thank you in advance for your help,
Inga
_______________________________________________ Boost-users mailing list Boost-users@lists.boost.org http://lists.boost.org/mailman/listinfo.cgi/boost-users
_______________________________________________ Boost-users mailing list Boost-users@lists.boost.org http://lists.boost.org/mailman/listinfo.cgi/boost-users
participants (1)
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Farberov, Inga -
Ovanes Markarian