blob: 7217f2c94dfe31aebf84c0eadc5b0efb539fb276 (
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
86
87
88
89
90
91
92
93
94
95
96
|
//
// NamedEvent.h
//
// Library: Foundation
// Package: Processes
// Module: NamedEvent
//
// Definition of the NamedEvent class.
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef Foundation_NamedEvent_INCLUDED
#define Foundation_NamedEvent_INCLUDED
#include "Poco/Foundation.h"
#if defined(POCO_OS_FAMILY_WINDOWS) && defined(POCO_WIN32_UTF8)
#include "Poco/NamedEvent_WIN32U.h"
#elif defined(POCO_OS_FAMILY_WINDOWS)
#include "Poco/NamedEvent_WIN32.h"
#elif POCO_OS == POCO_OS_ANDROID
#include "Poco/NamedEvent_Android.h"
#elif defined(POCO_OS_FAMILY_UNIX)
#include "Poco/NamedEvent_UNIX.h"
#endif
namespace Poco {
class Foundation_API NamedEvent: public NamedEventImpl
/// An NamedEvent is a global synchronization object
/// that allows one process or thread to signal an
/// other process or thread that a certain event
/// has happened.
///
/// Unlike an Event, which itself is the unit of synchronization,
/// a NamedEvent refers to a named operating system resource being the
/// unit of synchronization.
/// In other words, there can be multiple instances of NamedEvent referring
/// to the same actual synchronization object.
///
/// NamedEvents are always autoresetting.
///
/// There should not be more than one instance of NamedEvent for
/// a given name in a process. Otherwise, the instances may
/// interfere with each other.
{
public:
NamedEvent(const std::string& name);
/// Creates the event.
~NamedEvent();
/// Destroys the event.
void set();
/// Signals the event.
/// The one thread or process waiting for the event
/// can resume execution.
void wait();
/// Waits for the event to become signalled.
private:
NamedEvent();
NamedEvent(const NamedEvent&);
NamedEvent& operator = (const NamedEvent&);
};
//
// inlines
//
inline void NamedEvent::set()
{
setImpl();
}
inline void NamedEvent::wait()
{
waitImpl();
}
} // namespace Poco
#endif // Foundation_NamedEvent_INCLUDED
|
