Re:Re: [Discuss-gnuradio] how can I proceed if no message is received?

[Jie Liu]

Thanks! I will have a try
At 2011-01-09 04:16:26，"Tom Rondeau" <address@hidden> wrote:
>On Tue, Jan 4, 2011 at 2:19 PM, Jie Liu <address@hidden> wrote:
>> In GRC, I defined a message queue like below:
>>         self.msg_q = gr.msg_queue()
>>
>> It waits for the USRP transmitter, and read the message received in the USRP
>> receiver in the local machine, using the code like below:
>>
>>         m = tb.msg_q.delete_head()
>>
>> But if there is no message sent. It seems that the program halts and waits
>> for the message to be sent. How can I let the program continue to run from
>> here?
>>
>> Best
>
>There is a msg_queue method "delete_head_nowait." Look at the
>gr_msg_queue page in the Doxygen documentation.
>
>Tom