Subj : Re: returning arguments
To   : comp.programming.threads
From : Huub
Date : Mon Jun 27 2005 03:51 pm

Joe Seigh wrote:
> Huub wrote:
> 
>> Hi,
>>
>> I have written programs on Slackware Linux in C++, each program uses a 
>> thread. In two of these threads I read a boolean, in one I read an 
>> integer. Like this;
>>
>> void *Draad(void *threadid)
>> {
>>     read sensor;
>>     return data;
>> }
>>
>> main()
>> {
>>     rc = pthread_create(&threads[1], NULL, Draad, (void *)tasdk_id);
>> }
>>
>> I know this isn't compilable code, but it's just to give an idea. My 
>> question(s):
>> - Do threads *have* to be void?
> 
> void *
> 
>> - Can I pass on return values directly from the thread?
> 
> ?
> 
>> - If not, how do I pass them on?
> 
> man pthread_join
> 
>>
>> I hope my question is clear enough.
> 
> 
> It's not clear why you are using threads for this.  You should become
> more familiar with standard thread usage patterns, why they're used, and 
> what they
> buy you.
> 
I use a thread for this since I have to constantly read from or write to 
an interface. In this thread is a while loop, for continuing reading or 
writing.

.