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Unified Diff: mojo/public/python/src/common.h

Issue 795593004: Update mojo sdk to rev cc531b32182099a5a034a99daff35ed5d38a61c8 (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: More workarounds for MSVC Created 6 years ago
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Index: mojo/public/python/src/common.h
diff --git a/mojo/public/python/src/common.h b/mojo/public/python/src/common.h
new file mode 100644
index 0000000000000000000000000000000000000000..03ed73b4d64aef7d41d2422e13523b12972e35f8
--- /dev/null
+++ b/mojo/public/python/src/common.h
@@ -0,0 +1,103 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef MOJO_PUBLIC_PYTHON_SRC_COMMON_H_
+#define MOJO_PUBLIC_PYTHON_SRC_COMMON_H_
+
+#include <Python.h>
+
+#include <map>
+
+#include "mojo/public/c/environment/async_waiter.h"
+#include "mojo/public/cpp/bindings/callback.h"
+#include "mojo/public/cpp/bindings/lib/shared_ptr.h"
+#include "mojo/public/cpp/system/core.h"
+
+namespace mojo {
+namespace python {
+
+class ScopedGIL {
+ public:
+ ScopedGIL();
+
+ ~ScopedGIL();
+
+ private:
+ PyGILState_STATE state_;
+
+ MOJO_DISALLOW_COPY_AND_ASSIGN(ScopedGIL);
+};
+
+enum ScopedPyRefAcquire {
+ kAcquire,
+};
+
+class ScopedPyRef {
+ public:
+ explicit ScopedPyRef(PyObject* object);
+ ScopedPyRef(PyObject* object, ScopedPyRefAcquire);
+
+ ~ScopedPyRef();
+
+ operator PyObject*() const;
+
+ private:
+ PyObject* object_;
+
+ MOJO_DISALLOW_COPY_AND_ASSIGN(ScopedPyRef);
+};
+
+
+class PythonClosure : public mojo::Closure::Runnable {
+ public:
+ PythonClosure(PyObject* callable, const mojo::Closure& quit);
+ ~PythonClosure();
+
+ void Run() const override;
+
+ private:
+ ScopedPyRef callable_;
+ const mojo::Closure quit_;
+
+ MOJO_DISALLOW_COPY_AND_ASSIGN(PythonClosure);
+};
+
+// Create a mojo::Closure from a callable python object.
+Closure::Runnable* NewRunnableFromCallable(PyObject* callable,
+ const Closure& quit_closure);
+
+// AsyncWaiter for python, used to execute a python closure after waiting. If an
+// error occurs while executing the closure, the current message loop will be
+// exited. See |AsyncWaiter| in mojo/public/c/environment/async_waiter.h for
+// more details.
+class PythonAsyncWaiter {
+ public:
+ explicit PythonAsyncWaiter(const mojo::Closure& quit_closure);
+ ~PythonAsyncWaiter();
+ MojoAsyncWaitID AsyncWait(MojoHandle handle,
+ MojoHandleSignals signals,
+ MojoDeadline deadline,
+ PyObject* callable);
+
+ void CancelWait(MojoAsyncWaitID wait_id);
+
+ private:
+ class AsyncWaiterRunnable;
+
+ typedef std::map<MojoAsyncWaitID,
+ internal::SharedPtr<mojo::Callback<void(MojoResult)> > >
+ CallbackMap;
+
+ CallbackMap callbacks_;
+ const MojoAsyncWaiter* async_waiter_;
+ const mojo::Closure quit_;
+
+ MOJO_DISALLOW_COPY_AND_ASSIGN(PythonAsyncWaiter);
+};
+
+} // namespace python
+} // namespace mojo
+
+#endif // MOJO_PUBLIC_PYTHON_SRC_COMMON_H_
+
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