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// 2002-01-23 Loren J. Rittle <rittle@labs.mot.com> <ljrittle@acm.org>
// Adpated from libstdc++/5444 submitted by markus.breuer@materna.de
//
// Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2009, 2010
// Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// { dg-do run { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-solaris* *-*-cygwin *-*-darwin* alpha*-*-osf* mips-sgi-irix6* } }
// { dg-options "-pthread" { target *-*-freebsd* *-*-netbsd* *-*-linux* alpha*-*-osf* mips-sgi-irix6* } }
// { dg-options "-pthreads" { target *-*-solaris* } }
#include <string>
#include <map>
#include <vector>
#include <pthread.h>
const int max_thread_count = 8;
const int loops = 100000;
const char* my_default = "Hallo Welt!";
const std::size_t upper_limit = 2500;
const std::size_t lower_limit = 1000;
typedef char charT;
typedef std::string String;
typedef String MyType;
void*
thread_main (void*)
{
typedef std::map<unsigned int,MyType> Map;
typedef Map::value_type Value_Pair;
Map myMap;
for (int loop = 0; loop < loops; loop++)
{
String& str = myMap[loop];
str.append (my_default);
myMap.insert (Value_Pair (loop, str));
if (myMap.size () > upper_limit)
{
while (myMap.size () > lower_limit)
{
Map::iterator it = myMap.begin ();
myMap.erase (it);
}
}
}
return 0;
}
int
main (void)
{
pthread_t tid[max_thread_count];
#if defined(__sun) && defined(__svr4__) && _XOPEN_VERSION >= 500
pthread_setconcurrency (max_thread_count);
#endif
for (int i = 0; i < max_thread_count; i++)
pthread_create (&tid[i], 0, thread_main, 0);
for (int i = 0; i < max_thread_count; i++)
pthread_join (tid[i], 0);
return 0;
}
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