Peter Ross writes: > On Wed, Oct 15, 2008 at 12:18 PM, Mark Geisert <XXXXXXXXXXXXXXXX> wrote:
Please don't quote raw email addresses in your emails to the list. > >> I've written an application which does some initialization and then > >> does a tcp accept. 5 minutes and 20 seconds give or take after doing > >> the tcp.accept the application aborts with exit code 0. If I > >> continually send tcp data to this application then the crash doesn't > >> occur, it is only after 5 minutes and 20 seconds of waiting for I/O. > > [...] > >> Here is the complete list of libraries that I use -lodbc32 -lole32 > >> -lraptor -lxslt -lcurl -lz -lxml2 -ldb -lssl -lcrypto -lexpat > >> -lwsock32 > > > > You haven't supplied the canonical problem report info as requested in... > > > >> Problem reports: <http://cygwin.com/problems.html> That was a hint :-). Please supply that info, specifically the output of cygcheck -s -v -r but *as an attachment* to your next email. > > ...so only WAGs come to mind: Try it without using wsock32. Cygwin has its > > own implementation of the TCP/IP networking functions and there might be > > unpleasant mixing of semantics when wsock32 is explicitly linked in. > > > Thanks for the WAG, unfortunately it didn't work. Are all of those libraries you're linking with compiled for Cygwin? Mixing Cygwin libs with non-Cygwin libs won't work. Another thing that might prove informative is running cygcheck on the executable to see its tree of library dependencies. Maybe wsock32 snuck back in somehow. > > Something else you could try is running the app under strace to see if anything > > obviously erroneous sticks out. > > > Now I get a seg-fault when running under strace (it doesn't even get > to the tcp accept), but when I try and attach to the process using > gdb. I get the following error. > > $ ps aux | grep wos > 1740 1 1740 1740 con 500 04:15:28 /cygdrive/e/wos_fpz/ syst > em/build/wos_server > > Administrator <at> spare ~/wos_fpz/system/build > $ gdb ./wos_server > GNU gdb 6.8.0.20080328-cvs (cygwin-special) > Copyright (C) 2008 Free Software Foundation, Inc. > License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> > This is free software: you are free to change and redistribute it. > There is NO WARRANTY, to the extent permitted by law. Type "show copying" > and "show warranty" for details. > This GDB was configured as "i686-pc-cygwin"... > (gdb) attach 1740 > Can't attach to process. > (gdb) I don't have any further insight on this; strace has always worked for me. ..mark -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/