OpenRTX/lib/miosix-kernel/miosix/e20/e20.cpp

73 wiersze
2.6 KiB
C++

/***************************************************************************
* Copyright (C) 2012, 2013, 2014, 2015, 2016 by Terraneo Federico *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* As a special exception, if other files instantiate templates or use *
* macros or inline functions from this file, or you compile this file *
* and link it with other works to produce a work based on this file, *
* this file does not by itself cause the resulting work to be covered *
* by the GNU General Public License. However the source code for this *
* file must still be made available in accordance with the GNU General *
* Public License. This exception does not invalidate any other reasons *
* why a work based on this file might be covered by the GNU General *
* Public License. *
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* You should have received a copy of the GNU General Public License *
* along with this program; if not, see <http://www.gnu.org/licenses/> *
***************************************************************************/
#include "e20.h"
using namespace std;
namespace miosix {
//
// Class EventQueue
//
void EventQueue::post(function<void ()> event)
{
Lock<FastMutex> l(m);
events.push_back(event);
cv.signal();
}
void EventQueue::run()
{
Lock<FastMutex> l(m);
for(;;)
{
while(events.empty()) cv.wait(l);
function<void ()> f=events.front();
events.pop_front();
{
Unlock<FastMutex> u(l);
f();
}
}
}
void EventQueue::runOne()
{
function<void ()> f;
{
Lock<FastMutex> l(m);
if(events.empty()) return;
f=events.front();
events.pop_front();
}
f();
}
} //namespace miosix