Re: freeing memory of ctypes python variables

> From: Patricio Stegmann <[email protected]>
...
> However if I create a pointer to that buffer, ctypes or python is not
> freeing the memory even after returning from the function. For example
this
> new code never frees the memory:
> 
> """
> import ctypes
> 
> def do_buffer():
>     l__buf = ctypes.create_string_buffer(100*1024*1024)
>     l__podata = ctypes.cast(l__buf, ctypes.POINTER(ctypes.c_ubyte))
> 
> def prompt_user():
>     l__res = ''
>     while l__res != 'x':
>         do_buffer()
>         l__res = raw_input('press x to exit or other to re-get mem')
> 
> if __name__ == '__main__':
>     prompt_user()
> """

Do you mean it always keeps at least one buffer, or every call to
do_buffer() allocates a new one that never goes away?

Could it be explained by a memory pool in the gc?

It does seems like I remember something about the python object
create_string_buffer() has an extra reference count. 

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