Just a quick follow-up- I tried the above program with a newer version of chicken (4.9.0.1), and it works without issue. So I am considering the problem solved.
Thanks for the cool piece of software. Christopher On Sun, Jul 6, 2014 at 8:01 PM, Christopher Collins <ccollins47...@gmail.com > wrote: > Yeah, it probably would have helped if I included that, wouldn't it? :) > > Here it is: > > #!/usr/bin/csi -script > > (use extras) > (use srfi-18) > (use tcp) > > (define num-threads 2) > > (define (connect port) > (let-values (((i o) (tcp-connect "192.168.1.101" port))) > (read i))) > > (let loop ((port 9000) (threads '())) > (if (= (length threads) num-threads) > (for-each thread-join! threads) > (loop (+ port 1) (cons (thread-start! (lambda () (connect port))) > threads)))) > > > On Sun, Jul 6, 2014 at 7:35 PM, Alan Post <alanp...@sunflowerriver.org> > wrote: > >> 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/ >> >> > _______________________________________________ >> > Chicken-users mailing list >> > Chicken-users@nongnu.org >> > https://lists.nongnu.org/mailman/listinfo/chicken-users >> >> >> -- >> my personal website: http://c0redump.org/ >> > >
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