blob: cdc0cdfda541312dc2e63548c62a4ce62464d84a (
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
|
// **********************************************************************
//
// Copyright (c) 2003-2017 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.
//
// **********************************************************************
#include <Ice/FactoryTableInit.h>
#include <Ice/UserExceptionFactory.h>
#include <IceUtil/Mutex.h>
#include <IceUtil/MutexPtrLock.h>
namespace IceInternal
{
//
// Single global instance of the factory table for non-local
// exceptions and non-abstract classes.
//
ICE_API FactoryTable* factoryTable;
}
namespace
{
int initCount = 0; // Initialization count
IceUtil::Mutex* initCountMutex = 0;
class Init
{
public:
Init()
{
initCountMutex = new IceUtil::Mutex;
}
~Init()
{
delete initCountMutex;
initCountMutex = 0;
}
};
Init init;
}
//
// This constructor initializes the single global
// IceInternal::factoryTable instance from the outside (if it hasn't
// been initialized yet). The constructor here is triggered by a
// file-static instance of FactoryTable in each slice2cpp-generated
// header file that uses non-local exceptions or non-abstract classes.
// This ensures that IceInternal::factoryTable is always initialized
// before it is used.
//
IceInternal::FactoryTableInit::FactoryTableInit()
{
IceUtilInternal::MutexPtrLock<IceUtil::Mutex> lock(initCountMutex);
if(0 == initCount++)
{
factoryTable = new FactoryTable;
}
}
//
// The destructor decrements the reference count and, once the
// count drops to zero, deletes the table.
//
IceInternal::FactoryTableInit::~FactoryTableInit()
{
IceUtilInternal::MutexPtrLock<IceUtil::Mutex> lock(initCountMutex);
if(0 == --initCount)
{
delete factoryTable;
}
}
IceInternal::CompactIdInit::CompactIdInit(const char* typeId, int compactId) :
_compactId(compactId)
{
assert(_compactId >= 0);
factoryTable->addTypeId(_compactId, typeId);
}
IceInternal::CompactIdInit::~CompactIdInit()
{
factoryTable->removeTypeId(_compactId);
}
|
