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//////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Ion Gaztanaga 2006-2011. Distributed under the Boost
// Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
// See http://www.boost.org/libs/interprocess for documentation.
//
//////////////////////////////////////////////////////////////////////////////
#include <boost/interprocess/detail/config_begin.hpp>
//[doc_named_mutex
#include <boost/interprocess/sync/scoped_lock.hpp>
#include <boost/interprocess/sync/named_mutex.hpp>
#include <fstream>
#include <iostream>
#include <cstdio>
//<-
#include "../test/get_process_id_name.hpp"
//->
int main ()
{
using namespace boost::interprocess;
try{
struct file_remove
{
//<-
#if 1
file_remove() { std::remove(test::get_process_id_name()); }
~file_remove(){ std::remove(test::get_process_id_name()); }
#else
//->
file_remove() { std::remove("file_name"); }
~file_remove(){ std::remove("file_name"); }
//<-
#endif
//->
} file_remover;
struct mutex_remove
{
//<-
#if 1
mutex_remove() { named_mutex::remove(test::get_process_id_name()); }
~mutex_remove(){ named_mutex::remove(test::get_process_id_name()); }
#else
//->
mutex_remove() { named_mutex::remove("fstream_named_mutex"); }
~mutex_remove(){ named_mutex::remove("fstream_named_mutex"); }
//<-
#endif
//->
} remover;
//<-
(void)remover;
//->
//Open or create the named mutex
//<-
#if 1
named_mutex mutex(open_or_create, test::get_process_id_name());
#else
//->
named_mutex mutex(open_or_create, "fstream_named_mutex");
//<-
#endif
//->
//<-
#if 1
std::ofstream file(test::get_process_id_name());
#else
//->
std::ofstream file("file_name");
//<-
#endif
//->
for(int i = 0; i < 10; ++i){
//Do some operations...
//Write to file atomically
scoped_lock<named_mutex> lock(mutex);
file << "Process name, ";
file << "This is iteration #" << i;
file << std::endl;
}
}
catch(interprocess_exception &ex){
std::cout << ex.what() << std::endl;
return 1;
}
return 0;
}
//]
#include <boost/interprocess/detail/config_end.hpp>
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