[pywin32-bugs] [ pywin32-Bugs-1605282 ] WaitForSingleObject doesn't release GIL?

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Bugs item #1605282, was opened at 2006-11-30 01:23
Message generated for change (Comment added) made by mhammond
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Category: None
Group: None
>Status: Closed
>Resolution: Invalid
Priority: 5
Private: No
Submitted By: Sturla (sturlamolden)
Assigned to: Nobody/Anonymous (nobody)
Summary: WaitForSingleObject doesn't release GIL?

Initial Comment:

>From the looks of the SWIG interface win32event.i, 
WaitForSingleObject, WaitForSingleObjectEx and WaitForInputIdle doesn't release the GIL. 


Sturla Molden


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>Comment By: Mark Hammond (mhammond)
Date: 2006-11-30 09:44

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The GIL is never manipulated directly in the .i file.  Check out the
generated code in win32eventmodule_win32.cpp and you will see the GIL *is*
release for these functions....

static PyObject *_wrap_WaitForInputIdle(PyObject *self, PyObject *args) {
...
      Py_BEGIN_ALLOW_THREADS
          _result = (DWORD_WAITAPI )WaitForInputIdle(_arg0,_arg1);

      Py_END_ALLOW_THREADS


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Comment By: Sturla (sturlamolden)
Date: 2006-11-30 04:15

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And since these wait functions holds the GIL while they wait, we (may) get
a deadlock.

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Comment By: Sturla (sturlamolden)
Date: 2006-11-30 04:10

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And since these wait functions holds the GIL while they wait, we (may) get
a deadlock.

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