blob: 03ed73b4d64aef7d41d2422e13523b12972e35f8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
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_
|
