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[python] fix for thread-less python
- From: Tom Tromey <tromey at redhat dot com>
- To: Project Archer <archer at sourceware dot org>
- Date: Wed, 19 Nov 2008 14:53:42 -0700
- Subject: [python] fix for thread-less python
- Reply-to: Tom Tromey <tromey at redhat dot com>
I think this patch should suffice to let us build python-gdb even when
python was configured without thread support.
Now I think part of the first thread safety patch could be extracted
and sent upstream. I'll do this soon, assuming it won't hurt Thiago's
efforts.
Tom
2008-11-19 Tom Tromey <tromey@redhat.com>
* python/python-internal.h (PyGILState_Ensure): New define.
(PyGILState_Release): Likewise.
(PyEval_InitThreads): Likewise.
(PyThreadState_Swap): Likewise.
(PyEval_InitThreads): Likewise.
diff --git a/gdb/python/python-internal.h b/gdb/python/python-internal.h
index 88f438d..e85548e 100644
--- a/gdb/python/python-internal.h
+++ b/gdb/python/python-internal.h
@@ -46,6 +46,17 @@ typedef int Py_ssize_t;
#error "Unable to find usable Python.h"
#endif
+/* If Python.h does not define WITH_THREAD, then the various
+ GIL-related functions will not be defined. However,
+ PyGILState_STATE will be. */
+#ifndef WITH_THREAD
+#define PyGILState_Ensure() ((PyGILState_STATE) 0)
+#define PyGILState_Release(ARG) (ARG)
+#define PyEval_InitThreads() 0
+#define PyThreadState_Swap(ARG) (ARG)
+#define PyEval_InitThreads() 0
+#endif
+
#include "command.h"
struct block;