Satish,
On Thu, Oct 27, 2005 at 03:04:52PM -0500, Satish Balay wrote:
> On Thu, 27 Oct 2005, Jason Tishler wrote:
> > On Thu, Oct 27, 2005 at 02:15:01PM -0500, Satish Balay wrote:
> > > I've tried using python after doing a complete 'reinstall' and so
> > > far It works fine. I'll keep track of any future breakages.
> > >
> > > It will be great if rebase is not required at all...
> >
> > The following is a good test:
> >
> > $ python /usr/lib/python2.4/test/regrtest.py
> >
> > Do you get any "unable to remap" errors?
>
> I don't see any remap errors,
Good.
> but the first time I tried - it gave thread errros. The second time -
> it completed fine.
> sem_init: Resource temporarily unavailable
> Unhandled exception in thread started by <bound method
> SmallBufferedFileObjectCl
> assTestCase.clientRun of
> <test.test_socket.SmallBufferedFileObjectClassTestCase
> testMethod=testFullRead>>
> Traceback (most recent call last):
> File "/tmp/python.572/usr/lib/python2.4/test/test_socket.py", line 121, in
> cli
> entRun
> File "/usr/lib/python2.4/threading.py", line 348, in wait
> self.__cond.wait(timeout)
> File "/usr/lib/python2.4/threading.py", line 197, in wait
The above is a known problem:
http://www.cygwin.com/ml/cygwin/2005-07/msg01378.html
> BTW: we disable threads on cygwin+python-2.4. Is this problem likely
> to get fixed?
I can only say that it is on my list. If this is important to you, then
why not help debug the problem?
> [I'm guessing its upstream issue - where I see sem_xx errors on AIX as
> well]
Actually, Python configure.in has the following:
# Bug 662787: Using semaphores causes unexplicable hangs on Solaris 8.
case $ac_sys_system/$ac_sys_release in
SunOS/5.6) AC_DEFINE(HAVE_PTHREAD_DESTRUCTOR, 1,
Defined for Solaris 2.6 bug in pthread header.)
;;
SunOS/5.8) AC_DEFINE(HAVE_BROKEN_POSIX_SEMAPHORES, 1,
Define if the Posix semaphores do not work on your system)
;;
esac
So, you can workaround this problem, by the following:
$ configure
$ sed 's=/\* #undef HAVE_BROKEN_POSIX_SEMAPHORES \*/=#define
HAVE_BROKEN_POSIX_SEMAPHORES 1=' pyconfig.h >foo
$ mv foo pyconfig.h
$ make
FWIW, I have tried this and it solves the problem reported in the post
above.
Jason
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