Re: Linux 2.3.3[234] FIFOs (named pipes) are unreliable

Jim Nance (jnance@nortelnetworks.com)
Thu, 23 Dec 1999 07:25:04 -0500

On Thu, Dec 23, 1999 at 01:50:25AM +0100, Markus Schoder wrote:
> FIFOs (named pipes) are unreliable in Linux 2.3.33
> (probably older kernels too). When doing the following

Wow, they are broken. Under 2.3.34 I get:

sailboat> mkfifo /tmp/f
sailboat> cat /tmp/f &
[1] 943
sailboat> echo hello >/tmp/f
sailboat> echo hello > /tmp/f
sailboat> (echo hello;sleep 1) > /tmp/f
hello
hello
hello

[1] Done cat /tmp/f

Under 2.0.35 everything seems to work fine. I do not have a 2.2.X kernel
to test.

Jim

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