8000 Remove suggestions to use `internal` functions by filmor · Pull Request #2092 · pythonnet/pythonnet · GitHub
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Remove suggestions to use internal functions #2092

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Merged
merged 2 commits into from
Jan 29, 2023
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Remove suggestions to use internal functions #2092

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1dc3c1c
Remove suggestions to use `internal` functions
filmor Jan 26, 2023
6fb11e1
Update dotnet.rst
filmor Jan 28, 2023
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Update dotnet.rst
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@filmor
filmor authored Jan 28, 2023
commit 6fb11e14529e4106f01980e85f76d93f2aeb19d9
22 changes: 19 additions & 3 deletions doc/source/dotnet.rst
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Expand Up @@ -44,16 +44,32 @@ Before interacting with any of the objects or APIs provided by the
``Python.Runtime`` namespace, calling code must have acquired the Python
global interpreter lock by ``using'' ``Py.GIL()``. The only exception to
this rule is the ``PythonEngine.Initialize`` method, which may be called
at startup without having acquired the GIL.

A ``using`` statement may be used to acquire and release the GIL:
at startup without having acquired the GIL. The GIL is released again
by disposing the return value of `Py.GIL()`:

.. code:: csharp

using (Py.GIL())
{
PythonEngine.Exec("doStuff()");
}

// or
{
using var _ = Py.GIL()
PythonEngine.Exec("doStuff()");
}

// or
var gil = Py.GIL();
try
{
PythonEngine.Exec("doStuff()");
}
finally
{
gil.Dispose();
}

The ``Py.GIL()'' object is a thin wrapper over the unmanaged
``PyGILState_Ensure`` (on construction) and ``PyGILState_Release`` (on
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