Not so: Though admittedly you have to do quite a bit of work to get the
file descriptor into .NET.
http://msdn.microsoft.com/en-us/library/bdts1c9x(VS.71).aspx
To clarify - the C library was written to work with Python (not
IronPython) and is not my code.
Thanks,
Tom
Curt Hagenlocher wrote:
There's no such thing as a file descriptor number in .NET -- or, for
that matter, in Windows itself! :) (The latter is something of a
semantic point, of course, as a HANDLE serves something of the same
role in Win32 as a file descriptor number does in Unix.)
If you have a FileStream, I think you can turn it into a Windows
HANDLE by saying
IntPtr handle = stream.SafeFileHandle.DangerousGetHandle();
The C library should have a way to convert a HANDLE into a "file
descriptor", though I wasn't able to identify the function name with a
quick google.
I don't see a way to get handles for stdin, stdout or stderr, though,
except that these ought to be easy to translate by hand.
On Mon, Dec 15, 2008 at 8:03 AM, Tom Wright
<tom.wri...@resolversystems.com
<mailto:tom.wri...@resolversystems.com>> wrote:
Hi,
At the moment file.fileno() returns an arbitrary identifier of a
python file rather than a true file descriptor. This is
semi-blocking the Ironclad port of PIL.
Code in PIL gets an integer using fileno() and passes it directly
to C code where a call to write() is made. To fix this one would
have to patch PIL, IronPython's file objects or the write function
provided to C code - none of these feel like a good course of action.
When ctypes is ported to IronPython this may create similar
problems. Ideally fileno() would return a real file descriptor.
Would this be possible?
Thanks,
Tom
Resolver Systems
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