New LWP 1]
          [New LWP 2]

Program received signal SIGUSR1, User defined signal 1.
0xfe6e1eb7 in __pollsys () from /lib/libc.so.1
(gdb) bt full
#0  0xfe6e1eb7 in __pollsys () from /lib/libc.so.1
No symbol table info available.
#1  0xfe6ceeef in _pollsys () from /lib/libc.so.1
No symbol table info available.
#2  0xfe68c0c1 in pselect () from /lib/libc.so.1
No symbol table info available.
#3  0xfe68c496 in select () from /lib/libc.so.1
No symbol table info available.
#4  0x0816295f in core::PollManagerSelect::poll (this=0x8242588, timeout=
      {m_time = 216255}) at poll_manager_select.cc:98
        maxFd = 255
        t = {tv_sec = 0, tv_usec = 216255}
        status = <value optimized out>
#5  0x081b4db8 in main (argc=-1109163505, argv=0x90c3fff6) at main.cc:860
        firstArg = 1