Re: [Chicken-users] Crash with multithreaded TCP code
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 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: > >0x01c05210 *** > > > >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/ > ___ Chicken-users mailing list Chicken-users@nongnu.org https://lists.nongnu.org/mailman/listinfo/chicken-users
Re: [Chicken-users] Crash with multithreaded TCP code
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: >0x01c05210 *** > >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/ ___ Chicken-users mailing list Chicken-users@nongnu.org https://lists.nongnu.org/mailman/listinfo/chicken-users
[Chicken-users] Crash with multithreaded TCP code
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: 0x01c05210 *** I run the program as follows: 1. Start two instances of nc; one listening on 192.168.1.101:9000, the other on 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 ___ Chicken-users mailing list Chicken-users@nongnu.org https://lists.nongnu.org/mailman/listinfo/chicken-users
