98 lines
2.4 KiB
C++
98 lines
2.4 KiB
C++
//////////////////////////////////////////////////////////////////////////////
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//
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// (C) Copyright Ion Gaztanaga 2006-2012. Distributed under the Boost
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// Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/interprocess for documentation.
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//
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//////////////////////////////////////////////////////////////////////////////
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#include <boost/interprocess/detail/config_begin.hpp>
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//[doc_named_mutex
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#include <boost/interprocess/sync/scoped_lock.hpp>
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#include <boost/interprocess/sync/named_mutex.hpp>
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#include <fstream>
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#include <iostream>
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#include <cstdio>
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//<-
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#include "../test/get_process_id_name.hpp"
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//->
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int main ()
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{
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using namespace boost::interprocess;
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try{
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struct file_remove
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{
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//<-
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#if 1
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file_remove() { std::remove(test::get_process_id_name()); }
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~file_remove(){ std::remove(test::get_process_id_name()); }
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#else
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//->
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file_remove() { std::remove("file_name"); }
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~file_remove(){ std::remove("file_name"); }
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//<-
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#endif
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//->
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} file_remover;
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struct mutex_remove
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{
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//<-
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#if 1
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mutex_remove() { named_mutex::remove(test::get_process_id_name()); }
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~mutex_remove(){ named_mutex::remove(test::get_process_id_name()); }
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#else
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//->
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mutex_remove() { named_mutex::remove("fstream_named_mutex"); }
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~mutex_remove(){ named_mutex::remove("fstream_named_mutex"); }
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//<-
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#endif
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//->
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} remover;
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//<-
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(void)remover;
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//->
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//Open or create the named mutex
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//<-
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#if 1
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named_mutex mutex(open_or_create, test::get_process_id_name());
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#else
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//->
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named_mutex mutex(open_or_create, "fstream_named_mutex");
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//<-
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#endif
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//->
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//<-
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#if 1
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std::ofstream file(test::get_process_id_name());
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#else
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//->
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std::ofstream file("file_name");
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//<-
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#endif
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//->
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for(int i = 0; i < 10; ++i){
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//Do some operations...
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//Write to file atomically
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scoped_lock<named_mutex> lock(mutex);
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file << "Process name, ";
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file << "This is iteration #" << i;
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file << std::endl;
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}
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}
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catch(interprocess_exception &ex){
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std::cout << ex.what() << std::endl;
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return 1;
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}
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return 0;
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}
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//]
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#include <boost/interprocess/detail/config_end.hpp>
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