BOUNCE rtl@rtlinux.org: Approval required: (fwd)

[Der Herr Hofrat <der.herr@hofr.at>]

>From owner-rtl Tue Jul 24 12:53:42 2001
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From: "alex @UofT" <alex@power.ele.utoronto.ca>
To: rtl@rtlinux.org
Subject: [rtl] crash while reading fifos
Date: Mon, 23 Jul 2001 14:46:40 -0400
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hi.
I ran here into serious problems. My system crashs every time I read from the
FIFOS while doing - lets say - cat a textfile.
Without "touching" the system while reading from the fifos it usually crahs
after a while (coupple of minutes).
the rtlinux task itself is stable.
If someone has a hint, I would very very appreciate this.
In my opinion the linux rtfofo readprogramm seems to be pretty o.k. - quite
nothing is done.

alexander

the linux fifo read file is like this:
 
#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
int i;
unsigned short value[8];
unsigned int counter;
int main()
{
int rtf10;
if ((rtf10 = open("/dev/rtf10", O_RDONLY)) < 0) {
	printf("Error opening /dev/rtf10\n");
	exit(1);
	}
while (1) {
	for (i=0;i<8;i++) read(rtf10,&value[i],2);
	read(rtf10,&counter,4)
	}
return 0;
}

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