[ECOS] SIGIO signal

Jonathan Larmour jifl@eCosCentric.com
Thu Mar 4 16:07:00 GMT 2004


Ricardo Andrino wrote:
> Jonathan Larmour <jifl@eCosCentric.com> schrieb am 04.03.04 04:07:33:
>> Ricardo Andrino wrote:
>>>how could i have ECHO when using the write() function? I am using POSIX
>>>functions and i have ECHO when reading from a port but not when writing
>>>on it. How could i make it?
>>
>>This doesn't make sense to me. If you're already write()ing to the file 
>>descriptor, where are you wanting the echo to go to?
> 
> 
> I am making an application that always after the read() function calls a state machine:
> while(1)
> {
> read();
> statemachine(); 
> }
> so when i call the write() function the state machine should go forward and the possibility that i have seen is to use echo when writing.I could make it with ECHO when reading but i would like to know the other one.
> 
> I don't know if i have explained myself good, sorry if i don't.

Sorry, you've lost me. You can echo when reading, but there's nothing to 
echo with writing, partly because it doesn't really make sense.

Jifl
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