Experimental Physics and
Industrial Control System

Eric Norum <[email protected]> · Fri, 7 Feb 2014 08:43:10 -0800

What’s the declaration of ‘data’ in your example?

On Feb 7, 2014, at 8:38 AM, Jim Chen <[email protected]> wrote:

> Mark and Eric,
> 
> I might have pointed to the wrong place. I have deleted everything for the
> message queue task as simple as below and it runs fine the first time but
> segfault immediately when it waits again:
> 
> while(1) {
>        /* Wait for event from interrupt routine */
> printf("====before\n");
>       epicsMessageQueueReceive(intMsgQId, data, sizeof(data));  
> printf("====queue responsed\n");
> }
> 
> The debug printout:
> 
> ====before
> ....
> ==== queue responsed
> ====before
> Segmentation fault
> 
> This looks like something wrong with the message queue? Anyway I will do
> more tests...
> 
> Jim  
> 
> 

-- 
Eric Norum
[email protected]

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System