blob: be3532a3253afda4df5bb834ed10078cbe81297b (
plain) (
blame)
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
|
//
// Mutex_WIN32.h
//
// Library: Foundation
// Package: Threading
// Module: Mutex
//
// Definition of the MutexImpl and FastMutexImpl classes for WIN32.
//
// Copyright (c) 2004-2008, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef Foundation_Mutex_WIN32_INCLUDED
#define Foundation_Mutex_WIN32_INCLUDED
#include "Poco/Foundation.h"
#include "Poco/Exception.h"
#include "Poco/UnWindows.h"
namespace Poco {
class Foundation_API MutexImpl
{
protected:
MutexImpl();
~MutexImpl();
void lockImpl();
bool tryLockImpl();
bool tryLockImpl(long milliseconds);
void unlockImpl();
private:
CRITICAL_SECTION _cs;
};
typedef MutexImpl FastMutexImpl;
//
// inlines
//
inline void MutexImpl::lockImpl()
{
try
{
EnterCriticalSection(&_cs);
}
catch (...)
{
throw SystemException("cannot lock mutex");
}
}
inline bool MutexImpl::tryLockImpl()
{
try
{
return TryEnterCriticalSection(&_cs) != 0;
}
catch (...)
{
}
throw SystemException("cannot lock mutex");
}
inline void MutexImpl::unlockImpl()
{
LeaveCriticalSection(&_cs);
}
} // namespace Poco
#endif // Foundation_Mutex_WIN32_INCLUDED
|
