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/***************************************************************************
* lib/common/exithandler.cpp
*
* Part of the STXXL. See http://stxxl.sourceforge.net
*
* Copyright (C) 2009 Andreas Beckmann <beckmann@cs.uni-frankfurt.de>
*
* 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)
**************************************************************************/
#include <stxxl/bits/common/exithandler.h>
#include <stxxl/bits/namespace.h>
// 1. do nothing for default handler
// 2. #define STXXL_NON_DEFAULT_EXIT_HANDLER for a handler that does not use atexit()
// 3. #define STXXL_EXTERNAL_EXIT_HANDLER to provide your own implementation
#ifndef STXXL_EXTERNAL_EXIT_HANDLER
#ifndef STXXL_NON_DEFAULT_EXIT_HANDLER
#include <cstdlib>
STXXL_BEGIN_NAMESPACE
// default exit handler
int register_exit_handler(void (* function)(void))
{
return atexit(function);
}
// default exit handler
void run_exit_handlers()
{
// nothing to do
}
STXXL_END_NAMESPACE
#else // STXXL_NON_DEFAULT_EXIT_HANDLER
#include <vector>
#include <stxxl/bits/common/mutex.h>
STXXL_BEGIN_NAMESPACE
mutex exit_handler_mutex;
std::vector<void (*)(void)> exit_handlers;
int register_exit_handler(void (* function)(void))
{
scoped_mutex_lock lock(exit_handler_mutex);
exit_handlers.push_back(function);
return 0;
}
// default exit handler
void run_exit_handlers()
{
scoped_mutex_lock lock(exit_handler_mutex);
while (!exit_handlers.empty()) {
(*(exit_handlers.back()))();
exit_handlers.pop_back();
}
}
STXXL_END_NAMESPACE
#endif // STXXL_NON_DEFAULT_EXIT_HANDLER
#endif // STXXL_EXTERNAL_EXIT_HANDLER
// vim: et:ts=4:sw=4
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