[Python-Dev] Pre-PEP: with syntax (was: New syntax threads -- summary wanted)
Aahz
aahz@pythoncraft.com
Mon, 10 Feb 2003 10:29:52 -0500
On Mon, Feb 10, 2003, Bernhard Herzog wrote:
>
> In the particular case of locks, the threading.Lock object's release
> method must only be called when it's locked (same for the other lock
> objects AFAICT). Seems to me that this would require a flag at the
> python level and then you have the race condition.
That's not a problem for threading.RLock(). You can code that as
lock = threading.RLock()
try:
lock.acquire()
finally:
lock.release()
Note that currently there's an AssertionError in threading when you do
that; perhaps that should be changed to a Warning?
--
Aahz (aahz@pythoncraft.com) <*> http://www.pythoncraft.com/
Register for PyCon now! http://www.python.org/pycon/reg.html