gcc/libstdc++-v3/testsuite/thread/pthread1.cc
Paolo Carlini debac9f40d 9661-1.cc: Include <cstdlib>.
2007-03-02  Paolo Carlini  <pcarlini@suse.de>

	* testsuite/27_io/objects/wchar_t/9661-1.cc: Include <cstdlib>.
	* testsuite/27_io/objects/wchar_t/7.cc: Likewise.
	* testsuite/27_io/objects/char/9661-1.cc: Likewise.
	* testsuite/27_io/objects/char/7.cc: Likewise.
	* testsuite/27_io/basic_istream/ignore/wchar_t/2.cc: Likewise.
	* testsuite/27_io/basic_istream/ignore/char/2.cc: Likewise.
	* testsuite/27_io/basic_istream/getline/wchar_t/5.cc: Likewise.
	* testsuite/27_io/basic_istream/getline/char/5.cc: Likewise.
	* testsuite/27_io/basic_istream/extractors_arithmetic/char/
	11.cc: Likewise.
	* testsuite/27_io/basic_istream/extractors_character/wchar_t/
	4.cc: Likewise.
	* testsuite/27_io/basic_istream/extractors_character/char/
	4.cc: Likewise.
	* testsuite/27_io/basic_ostream/seekp/wchar_t/
	2346-fstream.cc: Likewise.
	* testsuite/27_io/basic_ostream/seekp/char/
	2346-fstream.cc: Likewise.
	* testsuite/27_io/basic_filebuf/seekoff/char/26777.cc: Likewise.
	* testsuite/27_io/basic_filebuf/imbue/wchar_t/13582-2.cc: Likewise.
	* testsuite/27_io/basic_filebuf/imbue/wchar_t/14975-2.cc: Likewise.
	* testsuite/27_io/basic_filebuf/imbue/char/13171-2.cc: Likewise.
	* testsuite/27_io/basic_filebuf/imbue/char/13582-2.cc: Likewise.
	* testsuite/27_io/basic_filebuf/close/char/4879.cc: Likewise.
	* testsuite/27_io/basic_filebuf/close/char/9964.cc: Likewise.
	* testsuite/27_io/basic_filebuf/underflow/char/10097.cc: Likewise.
	* testsuite/27_io/basic_filebuf/showmanyc/char/9533-1.cc: Likewise.
	* testsuite/21_strings/basic_string/inserters_extractors/
	wchar_t/10.cc: Likewise.
	* testsuite/21_strings/basic_string/inserters_extractors/
	wchar_t/11.cc: Likewise.
	* testsuite/21_strings/basic_string/inserters_extractors/
	char/10.cc: Likewise.
	* testsuite/21_strings/basic_string/inserters_extractors/
	char/11.cc: Likewise.
	* testsuite/ext/pb_ds/example/trie_dna.cc: Likewise.
	* testsuite/ext/new_allocator/deallocate_global.cc: Likewise.
	* testsuite/ext/new_allocator/deallocate_local.cc: Likewise.
	* testsuite/performance/27_io/filebuf_sgetn_unbuf.cc: Likewise.
	* testsuite/performance/27_io/ifstream_getline.cc: Likewise.
	* testsuite/22_locale/locale/cons/4.cc: Likewise.
	* testsuite/22_locale/locale/cons/5.cc: Likewise.
	* testsuite/tr1/2_general_utilities/shared_ptr/thread/
	mutex_weaktoshared.cc: Likewise.
	* testsuite/tr1/2_general_utilities/shared_ptr/thread/
	default_weaktoshared.cc: Likewise.
	* testsuite/thread/pthread5.cc: Likewise.
	* testsuite/thread/pthread1.cc: Likewise.
	* testsuite/23_containers/deque/cons/assign/1.cc: Likewise.

From-SVN: r122482
2007-03-02 18:11:15 +00:00

132 lines
3.5 KiB
C++

// 2002-01-23 Loren J. Rittle <rittle@labs.mot.com> <ljrittle@acm.org>
//
// Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007
// 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 2, 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 COPYING. If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.
// { dg-do run { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-solaris* *-*-cygwin *-*-darwin* alpha*-*-osf* } }
// { dg-options "-pthread" { target *-*-freebsd* *-*-netbsd* *-*-linux* alpha*-*-osf* } }
// { dg-options "-pthreads" { target *-*-solaris* } }
// This multi-threading C++/STL/POSIX code adheres to rules outlined here:
// http://www.sgi.com/tech/stl/thread_safety.html
//
// It is believed to exercise the allocation code in a manner that
// should reveal memory leaks (and, under rare cases, race conditions,
// if the STL threading support is fubar'd).
#include <list>
#include <cstdlib>
#include <pthread.h>
using namespace std;
const int thread_cycles = 10;
const int thread_pairs = 10;
const unsigned max_size = 100;
const int iters = 10000;
class task_queue
{
public:
task_queue ()
{
pthread_mutex_init (&fooLock, NULL);
pthread_cond_init (&fooCond1, NULL);
pthread_cond_init (&fooCond2, NULL);
}
~task_queue ()
{
pthread_mutex_destroy (&fooLock);
pthread_cond_destroy (&fooCond1);
pthread_cond_destroy (&fooCond2);
}
list<int> foo;
pthread_mutex_t fooLock;
pthread_cond_t fooCond1;
pthread_cond_t fooCond2;
};
void*
produce (void* t)
{
task_queue& tq = *(static_cast<task_queue*> (t));
int num = 0;
while (num < iters)
{
pthread_mutex_lock (&tq.fooLock);
while (tq.foo.size () >= max_size)
pthread_cond_wait (&tq.fooCond1, &tq.fooLock);
tq.foo.push_back (num++);
pthread_cond_signal (&tq.fooCond2);
pthread_mutex_unlock (&tq.fooLock);
}
return 0;
}
void*
consume (void* t)
{
task_queue& tq = *(static_cast<task_queue*> (t));
int num = 0;
while (num < iters)
{
pthread_mutex_lock (&tq.fooLock);
while (tq.foo.size () == 0)
pthread_cond_wait (&tq.fooCond2, &tq.fooLock);
if (tq.foo.front () != num++)
abort ();
tq.foo.pop_front ();
pthread_cond_signal (&tq.fooCond1);
pthread_mutex_unlock (&tq.fooLock);
}
return 0;
}
int
main ()
{
pthread_t prod[thread_pairs];
pthread_t cons[thread_pairs];
task_queue* tq[thread_pairs];
#if defined(__sun) && defined(__svr4__) && _XOPEN_VERSION >= 500
pthread_setconcurrency (thread_pairs * 2);
#endif
for (int j = 0; j < thread_cycles; j++)
{
for (int i = 0; i < thread_pairs; i++)
{
tq[i] = new task_queue;
pthread_create (&prod[i], NULL, produce, static_cast<void*> (tq[i]));
pthread_create (&cons[i], NULL, consume, static_cast<void*> (tq[i]));
}
for (int i = 0; i < thread_pairs; i++)
{
pthread_join (prod[i], NULL);
pthread_join (cons[i], NULL);
delete tq[i];
}
}
return 0;
}