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vcmi/lib/Interprocess.h
2012-04-02 11:14:38 +00:00

58 lines
1.4 KiB
C

#pragma once
#include <boost/interprocess/sync/scoped_lock.hpp>
#include <boost/interprocess/sync/interprocess_mutex.hpp>
#include <boost/interprocess/sync/interprocess_condition.hpp>
#include <boost/interprocess/mapped_region.hpp>
#include <boost/interprocess/shared_memory_object.hpp>
/*
* Interprocess.h, part of VCMI engine
*
* Authors: listed in file AUTHORS in main folder
*
* License: GNU General Public License v2.0 or later
* Full text of license available in license.txt file, in main folder
*
*/
struct ServerReady
{
bool ready;
boost::interprocess::interprocess_mutex mutex;
boost::interprocess::interprocess_condition cond;
ServerReady()
{
ready = false;
}
void setToTrueAndNotify()
{
{
boost::unique_lock<boost::interprocess::interprocess_mutex> lock(mutex);
ready = true;
}
cond.notify_all();
}
};
struct SharedMem
{
boost::interprocess::shared_memory_object smo;
boost::interprocess::mapped_region *mr;
ServerReady *sr;
SharedMem() //c-tor
:smo(boost::interprocess::open_or_create,"vcmi_memory",boost::interprocess::read_write)
{
smo.truncate(sizeof(ServerReady));
mr = new boost::interprocess::mapped_region(smo,boost::interprocess::read_write);
sr = new(mr->get_address())ServerReady();
};
~SharedMem() //d-tor
{
delete mr;
boost::interprocess::shared_memory_object::remove("vcmi_memory");
}
};