Persistence of file_lock

bitest5.cpp

#include <boost/interprocess/sync/file_lock.hpp>
#include <iostream>

using namespace boost::interprocess;

int main()
{
    file_lock flock("bitest5.cpp");
    flock.lock();
    std::cout << "The process locked an file_lock," << std::endl;
    std::cout << "and is going to exit without unlocking the lock." << std::endl;
}