root@someserver:~# gdb
GNU gdb 6.8-debian
Copyright (C) 2008 Free Software Foundation, Inc.
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This GDB was configured as "i486-linux-gnu".
(gdb) attach 18568
Attaching to process 18568
Reading symbols from /home/dcbouncer/bin/DCBouncer...done.
Reading symbols from /lib/libpthread.so.0...done.
[Thread debugging using libthread_db enabled]
[New Thread 0xb7b718e0 (LWP 18568)]
Loaded symbols for /lib/libpthread.so.0
Reading symbols from /lib/i686/cmov/libssl.so.0.9.8...done.
Loaded symbols for /lib/i686/cmov/libssl.so.0.9.8
Reading symbols from /lib/i686/cmov/libcrypto.so.0.9.8...done.
Loaded symbols for /lib/i686/cmov/libcrypto.so.0.9.8
Reading symbols from /lib/libdl.so.2...done.
Loaded symbols for /lib/libdl.so.2
Reading symbols from /usr/lib/libstdc++.so.6...done.
Loaded symbols for /usr/lib/libstdc++.so.6
Reading symbols from /lib/libm.so.6...done.
Loaded symbols for /lib/libm.so.6
Reading symbols from /lib/libgcc_s.so.1...done.
Loaded symbols for /lib/libgcc_s.so.1
Reading symbols from /lib/libc.so.6...done.
Loaded symbols for /lib/libc.so.6
Reading symbols from /lib/ld-linux.so.2...done.
Loaded symbols for /lib/ld-linux.so.2
Reading symbols from /lib/libz.so.1...done.
Loaded symbols for /lib/libz.so.1
Reading symbols from /lib/libnss_files.so.2...done.
Loaded symbols for /lib/libnss_files.so.2
Reading symbols from /lib/libnss_dns.so.2...done.
Loaded symbols for /lib/libnss_dns.so.2
Reading symbols from /lib/libresolv.so.2...done.
Loaded symbols for /lib/libresolv.so.2
0xb7c52fc8 in select () from /lib/libc.so.6
(gdb) bt
#0  0xb7c52fc8 in select () from /lib/libc.so.6
#1  0x0806f3b2 in sockets::SocketHandler::Select (this=0xbf8c773c, tsel=0xbf8c7708) at SocketHandler.cpp:404
#2  0x080642e5 in sockets::EventHandler::EventLoop (this=0xbf8c773c) at EventHandler.cpp:167
#3  0x0805da1c in run (config=@0xbf8c7c34) at main.cpp:169
#4  0x0805e207 in main (argc=<value optimized out>, argv=0x0) at main.cpp:189
(gdb) bt full
#0  0xb7c52fc8 in select () from /lib/libc.so.6
No symbol table info available.
#1  0x0806f3b2 in sockets::SocketHandler::Select (this=0xbf8c773c, tsel=0xbf8c7708) at SocketHandler.cpp:404
	rfds = {fds_bits = {3145712, 0 <repeats 31 times>}}
	wfds = {fds_bits = {0 <repeats 32 times>}}
	efds = {fds_bits = {3145712, 0 <repeats 31 times>}}
	n = <value optimized out>
	check_max_fd = <value optimized out>
#2  0x080642e5 in sockets::EventHandler::EventLoop (this=0xbf8c773c) at EventHandler.cpp:167
	tv = {tv_sec = 1912, tv_usec = 728000}
#3  0x0805da1c in run (config=@0xbf8c7c34) at main.cpp:169
	handler = {<sockets::EventHandler> = {<sockets::SocketHandler> = {<sockets::ISocketHandler> = {<sockets::IBase> = {
          _vptr.IBase = 0x8080228}, <No data fields>}, m_sockets = {_M_t = {
          _M_impl = {<std::allocator<std::_Rb_tree_node<std::pair<const int, sockets::Socket*> > >> = {<__gnu_cxx::new_allocator<std::_Rb_tree_node<std::pair<const int, sockets::Socket*> > >> = {<No data fields>}, <No data fields>}, 
            _M_key_compare = {<std::binary_function<int, int, bool>> = {<No data fields>}, <No data fields>}, _M_header = {_M_color = std::_S_red, 
              _M_parent = 0x8b44c10, _M_left = 0x8b35e18, _M_right = 0x8cd6c08}, _M_node_count = 17}}}, m_add = {_M_t = {
          _M_impl = {<std::allocator<std::_Rb_tree_node<std::pair<const int, sockets::Socket*> > >> = {<__gnu_cxx::new_allocator<std::_Rb_tree_node<std::pair<const int, sockets::Socket*> > >> = {<No data fields>}, <No data fields>}, 
            _M_key_compare = {<std::binary_function<int, int, bool>> = {<No data fields>}, <No data fields>}, _M_header = {_M_color = std::_S_red, 
              _M_parent = 0x0, _M_left = 0xbf8c775c, _M_right = 0xbf8c775c}, _M_node_count = 0}}}, 
      m_delete = {<std::_List_base<sockets::Socket*, std::allocator<sockets::Socket*> >> = {
          _M_impl = {<std::allocator<std::_List_node<sockets::Socket*> >> = {<__gnu_cxx::new_allocator<std::_List_node<sockets::Socket*> >> = {<No data fields>}, <No data fields>}, _M_node = {_M_next = 0xbf8c7770, _M_prev = 0xbf8c7770}}}, <No data fields>}, m_stdlog = 0x0, m_mutex = @0x74543517, 
      m_b_use_mutex = false, m_maxsock = 21, m_rfds = {fds_bits = {3145712, 0 <repeats 31 times>}}, m_wfds = {fds_bits = {0 <repeats 32 times>}}, m_efds = {
        fds_bits = {3145712, 0 <repeats 31 times>}}, m_preverror = -1, m_errcnt = 0, m_tlast = 1270391498, 
      m_fds = {<std::_List_base<int, std::allocator<int> >> = {
          _M_impl = {<std::allocator<std::_List_node<int> >> = {<__gnu_cxx::new_allocator<std::_List_node<int> >> = {<No data fields>}, <No data fields>}, 
            _M_node = {_M_next = 0x8b75948, _M_prev = 0x8cfa220}}}, <No data fields>}, m_fds_erase = {<std::_List_base<int, std::allocator<int> >> = {
          _M_impl = {<std::allocator<std::_List_node<int> >> = {<__gnu_cxx::new_allocator<std::_List_node<int> >> = {<No data fields>}, <No data fields>}, 
            _M_node = {_M_next = 0xbf8c791c, _M_prev = 0xbf8c791c}}}, <No data fields>}, 
      m_fds_callonconnect = {<std::_List_base<int, std::allocator<int> >> = {
          _M_impl = {<std::allocator<std::_List_node<int> >> = {<__gnu_cxx::new_allocator<std::_List_node<int> >> = {<No data fields>}, <No data fields>}, 
            _M_node = {_M_next = 0xbf8c7924, _M_prev = 0xbf8c7924}}}, <No data fields>}, m_fds_timeout = {<std::_List_base<int, std::allocator<int> >> = {
          _M_impl = {<std::allocator<std::_List_node<int> >> = {<__gnu_cxx::new_allocator<std::_List_node<int> >> = {<No data fields>}, <No data fields>}, 
            _M_node = {_M_next = 0xbf8c792c, _M_prev = 0xbf8c792c}}}, <No data fields>}, m_fds_retry = {<std::_List_base<int, std::allocator<int> >> = {
          _M_impl = {<std::allocator<std::_List_node<int> >> = {<__gnu_cxx::new_allocator<std::_List_node<int> >> = {<No data fields>}, <No data fields>}, 
            _M_node = {_M_next = 0xbf8c7934, _M_prev = 0xbf8c7934}}}, <No data fields>}, m_fds_close = {<std::_List_base<int, std::allocator<int> >> = {
          _M_impl = {<std::allocator<std::_List_node<int> >> = {<__gnu_cxx::new_allocator<std::_List_node<int> >> = {<No data fields>}, <No data fields>}, 
            _M_node = {_M_next = 0xbf8c793c, _M_prev = 0xbf8c793c}}}, <No data fields>}}, <sockets::IEventHandler> = {_vptr.IEventHandler = 0x808028c}, 
    m_events = {<std::_List_base<sockets::Event*, std::allocator<sockets::Event*> >> = {
        _M_impl = {<std::allocator<std::_List_node<sockets::Event*> >> = {<__gnu_cxx::new_allocator<std::_List_node<sockets::Event*> >> = {<No data fields>}, <No data fields>}, _M_node = {_M_next = 0x8cfd0a0, _M_prev = 0x8cfd0a0}}}, <No data fields>}, m_quit = false, m_socket = 0x8b512e0, m_port = 35232}, 
  initializers = {_M_t = {
      _M_impl = {<std::allocator<std::_Rb_tree_node<std::pair<const short unsigned int, EventHandler::Initializer*> > >> = {<__gnu_cxx::new_allocator<std::_Rb_tree_node<std::pair<const short unsigned int, EventHandler::Initializer*> > >> = {<No data fields>}, <No data fields>}, 
        _M_key_compare = {<std::binary_function<short unsigned int, short unsigned int, bool>> = {<No data fields>}, <No data fields>}, _M_header = {
          _M_color = std::_S_red, _M_parent = 0x8b35de0, _M_left = 0x8b5d4b0, _M_right = 0x8b69740}, _M_node_count = 5}}}}
#4  0x0805e207 in main (argc=<value optimized out>, argv=0x0) at main.cpp:189
	res = 0
	config = {static npos = 4294967295, 
  _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x8b356dc "../etc/DCBouncer"}}
(gdb)