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Re: [Chicken-users] Crash with multithreaded TCP code
From: |
Alan Post |
Subject: |
Re: [Chicken-users] Crash with multithreaded TCP code |
Date: |
Sun, 6 Jul 2014 20:35:33 -0600 |
Did I miss the source to threadtest.scm here? The file that
contains the variable num-threads? I don't see it.
-a
On Sun, Jul 06, 2014 at 05:41:44PM -0700, Christopher Collins wrote:
> Version info:
> ****** CHICKEN
> ****** (c) 2008-2013, The Chicken Team
> ****** (c) 2000-2007, Felix L. Winkelmann
> ****** Version 4.8.0.3 (stability/4.8.0) (rev 091c3d9)
> ****** linux-unix-gnu-x86-64 [ 64bit manyargs dload ptables ]
> ****** compiled 2013-03-12 on aeryn.xorinia.dim (Darwin)
>
> Hi,
> ******
> I'm encountering a crash with some multithreaded tcp code.** I am at a
> loss as to what I'm doing wrong; I was hoping someone else could spot my
> mistake.
>
> Below is a simple program which produces the crash.** When I run it, I get
> the following output:
>
> ****** *** Error in `/usr/bin/csi': realloc(): invalid next size:
> 0x0000000001c05210 ***
>
> I run the program as follows:
> 1. Start two instances of nc; one listening on [1]192.168.1.101:9000, the
> other on [2]192.168.1.101:9001.** Redirect a ~1KB file to nc, such that nc
> will send the file to whomever connects to it.
> 2. Run the scheme script
>
> e.g.:
> ****** nc -l 192.168.1.101 -p 9000 < ~/tmpfile
> ****** nc -l 192.168.1.101 -p 9001 < ~/tmpfile
> ****** ./threadtest.scm
> ******
> If I change the definition of num-threads from 2 to 1, the program runs to
> completion.
>
> Any ideas?
>
> Thanks,
> Christopher
>
> References
>
> Visible links
> 1. http://192.168.1.101:9000/
> 2. http://192.168.1.101:9001/
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