Den 18.04.2011 22:26, skrev Robert Bradshaw:
On Mon, Apr 18, 2011 at 12:08 PM, mark florisson
<markflorisso...@gmail.com>  wrote:
Can I add a gilnanny to refnanny? I want to do a PyThreadState_Get()
for every refnanny inc- and decref, so that it will issue a fatal
error whenever reference counting is done without the gil, to make
sure we never do any illegal things in nogil code blocks.
Sounds like a good idea to me.


Have you ever considered to allow a "with gil:" statement? It seems this could be implemented using the simplified GIL API, i.e. the same way ctypes synchronizes callbacks to Python. Usecases would e.g. be computational code that sometimes needs to touch Python objects. E.g. append something to a list, slice a NumPy array, unbox a buffer into local scope, etc. A "with gil" statement could allow us to grab the GIL back for that.

Sturla
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