[Haskell-cafe] Network.Socket Woes
josh at joshisanerd.com
Fri Mar 7 13:39:40 EST 2008
On Fri, Mar 07, 2008 at 10:56:32AM -0700, Scott Bell wrote:
> This does the trick, thanks! I certainly would not have been
> able to track down such an insidious `issue' without much
> agony and despair.
(haskell-cafe, my apologies for a message that's only tangentially
on-topic. The content might be helpful, especially if you're writing
Assuming you're on Linux, there are a few handy tools for this job:
* 'netstat -nlp' (show listeners, with process name, numeric)
* lsof -p $pid (list open file descriptors for PID)
* strace -p $pid (trace system calls in running process)
* strace /path/to/executable (trace system calls to stderr)
* ls -l /proc/$pid/fd (peek at kernel's view of PID's fd table)
There's also dtrace on Solaris and OS X, but I don't use those OSes,
so I'm not too familiar with it. In Windows, there seems to be an
embarassment of riches when it comes to profiling tools.
Hope this helps,
/jbm, but you can call me Josh. Really, you can!
More information about the Haskell-Cafe