引用： http://www.cnblogs.com/zengzy/p/5122634.html
#0 push (this=<optimized out>) at src/yqueue.hpp:113
#1 write (incomplete_=false, value_=..., this=0x42ca88) at src/ypipe.hpp:86
#2 zmq::mailbox_t::send (this=0x42ca80, cmd_=...) at src/mailbox.cpp:62
#3 0x0000007fb7f71de4 in send_command (cmd_=..., this=<optimized out>) at src/object.cpp:474
#4 zmq::object_t::send_pipe_term_ack (this=this@entry=0x447410, destination_=<optimized out>) at src/object.cpp:299
#5 0x0000007fb7f75250 in zmq::pipe_t::process_pipe_term_ack (this=0x447410) at src/pipe.cpp:355
#6 0x0000007fb7f66de0 in zmq::io_thread_t::in_event (this=0x42bb70) at src/io_thread.cpp:85
#7 0x0000007fb7f6572c in zmq::epoll_t::loop (this=0x42c120) at src/epoll.cpp:188
#8 0x0000007fb7f95858 in thread_routine (arg_=0x42c1a0) at src/thread.cpp:109
#9 0x0000007fb74e1fe8 in ?? () from /lib64/libpthread.so.0
#10 0x0000007ffffff2a8 in ?? ()
#0 zmq::mailbox_t::send (this=0x42bb90, cmd_=...) at src/mailbox.cpp:62
#1 0x0000007fb7f71d18 in send_command (cmd_=..., this=<optimized out>) at src/object.cpp:474
#2 zmq::object_t::send_activate_write (this=this@entry=0x449370, destination_=<optimized out>, msgs_read_=<optimized out>) at src/object.cpp:274
#3 0x0000007fb7f75c8c in zmq::pipe_t::read (this=0x449370, msg_=msg_@entry=0x7ffffff948) at src/pipe.cpp:201
#4 0x0000007fb7f66170 in zmq::fq_t::recvpipe (this=this@entry=0x42c918, msg_=0x7ffffff948, pipe_=pipe_@entry=0x7ffffff4e8) at src/fq.cpp:99
#5 0x0000007fb7f7e058 in zmq::router_t::xrecv (this=this@entry=0x42c360, msg_=msg_@entry=0x7ffffff948) at src/router.cpp:327
#6 0x0000007fb7f7d150 in zmq::rep_t::xrecv (this=0x42c360, msg_=0x7ffffff948) at src/rep.cpp:81
#7 0x0000007fb7f848bc in zmq::socket_base_t::recv (this=0x42c360, msg_=msg_@entry=0x7ffffff948, flags_=0) at src/socket_base.cpp:1212
#8 0x0000007fb7f9d7f4 in s_recvmsg (s_=<optimized out>, msg_=0x7ffffff948, flags_=<optimized out>) at src/zmq.cpp:475
#9 0x0000000000403474 in main (argc=2, argv=0x7ffffffc38) at *.cpp:785