summaryrefslogtreecommitdiff
path: root/framework/inc/threadhelp/igate.h
blob: baac691de978be29fe057922b19f3856c68dae74 (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
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#ifndef __FRAMEWORK_THREADHELP_IGATE_H_
#define __FRAMEWORK_THREADHELP_IGATE_H_

#include <osl/time.h>

namespace framework{

/*-************************************************************************************************************//**
    @descr          We need this interface to support using of different gate implementations in a generic way.
*//*-*************************************************************************************************************/
class IGate
{
    //-------------------------------------------------------------------------------------------------------------
    //  public methods
    //-------------------------------------------------------------------------------------------------------------
    public:

        /*-****************************************************************************************************//**
            @descr      These functions must be supported by a derived class!
                            open()      -open access for all waiting threads
                            close()     -close access for all further coming threads
                            openGap()   -open access for current waiting threads only
                            wait()      -must be called to pass the gate
        *//*-*****************************************************************************************************/
        virtual void     open    (                                   ) = 0;
        virtual void     close   (                                   ) = 0;
        virtual void     openGap (                                   ) = 0;
        virtual sal_Bool wait    ( const TimeValue* pTimeOut = NULL  ) = 0;

    protected:
        ~IGate() {}
};      //  class IGate

}       //  namespace framework

#endif  //  #ifndef __FRAMEWORK_THREADHELP_IGATE_H_

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */