Help receiving a frame in C!

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# 1  
Old 07-23-2009
Help receiving a frame in C!

Hello everybody,
I have a problem with a program i'm coding, the thing is that i need the program to check quickly if it receives a response, if not, just go ahead.

My program sends the frame successfully, but it keeps waiting for the response until it receives something. That's what i need to fix, i mean, how do i do to wait for a response just, let's say 100 nanoseconds, and break the "listening" if no response is received in that period of time?

Here's part of the code:


Please excuse my poor english. Thanks.
# 2  
Old 07-24-2009
Set Receive Timeout
Try this
socklen_t optval;
struct timeval tv;

tv.tv_usec = 0;

     int ret = setsockopt(recv_sock,SOL_SOCKET, SO_RCVTIMEO,&tv,optval);
     if( ret < 0 )
        printf("Sorry - setsockopt failed");

# 3  
Old 07-24-2009
That's it!!! Thank you, Johnbach!!! Thank you!
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