Re: working with output buffer

From: Heinrich du Toit <heinrichdt_at_tlabs.ac.za> · Date: Mon, 08 Oct 2007 15:07:34 +0200

I tried another trick:
To rather not fill the buffer up to full.

if ((inbuffer < sysconf(_SC_PAGE_SIZE)*2)){
	  result = write(cDeviceNr,(void*)(dataoutp
+dataoutpos),dataoutsize-dataoutpos);
}

But this froze my PC :(

On Mon, 2007-10-08 at 14:54 +0200, Heinrich du Toit wrote:
> Hi
> 
> Firstly does ni_pcimio support the set_buffer_size and
> set_max_buffer_size commands? 
> 
> If it does how do I use it?
> 
> Then secondly is there a way to flush the output data.
> 
> Because it works like this.
> We are always trying to keep the buffer updated with data. That means
> there is likely to be about 64K of data in the buffer.
> 
> Now we want to change the data we are writing. The problem is we have to
> wait for that other 64K to write out before the output changes :(
> Is there any way to help this?
> like a way to flush the output from the buffers and start fresh?
> 
> thanx
> -H
> 
> 
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