Move yql/udfs/common/ to /yql/essentials YQL-19206

Except the following directories:

* clickhouse/client
* datetime
* knn
* roaring
commit_hash:c7da95636144d28db109d6b17ddc762e9bacb59f

1 files changed, 37 insertions, 0 deletions

diff --git a/yql/essentials/udfs/common/python/bindings/py_gil.h b/yql/essentials/udfs/common/python/bindings/py_gil.h
new file mode 100644
index 0000000000..70e9bf3e91
--- /dev/null
+++ b/yql/essentials/udfs/common/python/bindings/py_gil.h
@@ -0,0 +1,37 @@
+#pragma once
+
+#include <Python.h>
+
+
+namespace NPython {
+
+struct TPyGilLocker
+{
+    TPyGilLocker()
+        : Gil(PyGILState_Ensure())
+    {
+    }
+
+    ~TPyGilLocker() {
+        PyGILState_Release(Gil);
+    }
+
+private:
+    PyGILState_STATE Gil;
+};
+
+struct TPyGilUnlocker {
+    TPyGilUnlocker()
+        : ThreadState(PyEval_SaveThread())
+    {
+    }
+
+    ~TPyGilUnlocker() {
+        PyEval_RestoreThread(ThreadState);
+    }
+
+private:
+    PyThreadState* ThreadState;
+};
+
+} // namespace NPython