PThreadBarrierPrivateData.h
上传用户:chinafayin
上传日期:2022-04-05
资源大小:153k
文件大小:2k
源码类别:
并行计算
开发平台:
Visual C++
- //
- // OpenThread library, Copyright (C) 2002 - 2003 The Open Thread Group
- //
- // This library is free software; you can redistribute it and/or
- // modify it under the terms of the GNU Lesser General Public
- // License as published by the Free Software Foundation; either
- // version 2.1 of the License, 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
- // Lesser General Public License for more details.
- //
- // You should have received a copy of the GNU Lesser General Public
- // License along with this library; if not, write to the Free Software
- // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- //
- //
- // PThreadBarrierPrivateData.h - private data structure for barrier
- // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
- //
- #ifndef _PTHREADBARRIERPRIVATEDATA_H_
- #define _PTHREADBARRIERPRIVATEDATA_H_
- namespace OpenThreads {
- #include <pthread.h>
- #include "../Barrier"
- class PThreadBarrierPrivateData {
- friend class Barrier;
- private:
- PThreadBarrierPrivateData() {};
- virtual ~PThreadBarrierPrivateData() {};
- pthread_cond_t cond; // cv for waiters at barrier
- pthread_mutex_t lock; // mutex for waiters at barrier
- volatile int maxcnt; // number of threads to wait for
- volatile int cnt; // number of waiting threads
- volatile int phase; // flag to seperate two barriers
- };
- }
- #endif //_PTHREADBARRIERPRIVATEDATA_H_