blob: e7cd85c344204c127c50fde5b5260bbca72723d4 (
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
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
// **********************************************************************
//
// Copyright (c) 2003-2014 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
#ifndef ICEPY_THREAD_H
#define ICEPY_THREAD_H
#include <Config.h>
#include <Util.h>
#include <Ice/Initialize.h>
#include <IceUtil/Thread.h>
#include <IceUtil/Monitor.h>
namespace IcePy
{
//
// Release Python's Global Interpreter Lock during potentially time-consuming
// (and non-Python related) work.
//
class AllowThreads
{
public:
AllowThreads();
~AllowThreads();
private:
PyThreadState* _state;
};
//
// Ensure that the current thread is capable of calling into Python.
//
class AdoptThread
{
public:
AdoptThread();
~AdoptThread();
private:
PyGILState_STATE _state;
};
//
// ThreadHook ensures that every Ice thread is ready to invoke the Python API.
// It also acts as a wrapper for an optional ThreadNotification object.
//
class ThreadHook : public Ice::ThreadNotification
{
public:
ThreadHook(PyObject*);
virtual void start();
virtual void stop();
PyObject* getObject();
private:
PyObjectHandle _threadNotification;
};
typedef IceUtil::Handle<ThreadHook> ThreadHookPtr;
//
// This class invokes a member function in a separate thread.
//
template<typename T>
class InvokeThread : public IceUtil::Thread
{
public:
InvokeThread(const IceInternal::Handle<T>& target, void (T::*func)(void),
IceUtil::Monitor<IceUtil::Mutex>& monitor, bool& done) :
_target(target), _func(func), _monitor(monitor), _done(done), _ex(0)
{
}
~InvokeThread()
{
delete _ex;
}
virtual void run()
{
try
{
(_target.get() ->* _func)();
}
catch(const Ice::Exception& ex)
{
_ex = ex.ice_clone();
}
IceUtil::Monitor<IceUtil::Mutex>::Lock sync(_monitor);
_done = true;
_monitor.notify();
}
Ice::Exception* getException() const
{
return _ex;
}
private:
IceInternal::Handle<T> _target;
void (T::*_func)(void);
IceUtil::Monitor<IceUtil::Mutex>& _monitor;
bool& _done;
Ice::Exception* _ex;
};
}
#endif
|
