86 lines
1.8 KiB
C++
86 lines
1.8 KiB
C++
/*
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Copyright (C) 2004-2008 Grame
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __JackActivationCount__
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#define __JackActivationCount__
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#include "JackPlatformPlug.h"
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#include "JackTime.h"
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#include "JackTypes.h"
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namespace Jack
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{
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struct JackClientControl;
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/*!
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\brief Client activation counter.
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*/
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PRE_PACKED_STRUCTURE
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class JackActivationCount
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{
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private:
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alignas(SInt32) SInt32 fValue;
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SInt32 fCount;
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public:
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JackActivationCount(): fValue(0), fCount(0)
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{
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static_assert(offsetof(JackActivationCount, fValue) % sizeof(fValue) == 0,
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"fValue must be aligned within JackActivationCount");
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}
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bool Signal(JackSynchro* synchro, JackClientControl* control);
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inline void Reset()
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{
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fValue = fCount;
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}
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inline void SetValue(int val)
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{
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fCount = val;
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}
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inline void IncValue()
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{
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fCount++;
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}
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inline void DecValue()
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{
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fCount--;
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}
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inline int GetValue() const
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{
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return fValue;
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}
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} POST_PACKED_STRUCTURE;
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} // end of namespace
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#endif
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