thpthd.h Source File

00001 //
00002 // thpthd.h
00003 //
00004 // Copyright (C) 1997 Limit Point Systems, Inc.
00005 //
00006 // Author: Edward Seidl <seidl@janed.com>
00007 // Maintainer: LPS
00008 //
00009 // This file is part of the SC Toolkit.
00010 //
00011 // The SC Toolkit is free software; you can redistribute it and/or modify
00012 // it under the terms of the GNU Library General Public License as published by
00013 // the Free Software Foundation; either version 2, or (at your option)
00014 // any later version.
00015 //
00016 // The SC Toolkit is distributed in the hope that it will be useful,
00017 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00018 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00019 // GNU Library General Public License for more details.
00020 //
00021 // You should have received a copy of the GNU Library General Public License
00022 // along with the SC Toolkit; see the file COPYING.LIB.  If not, write to
00023 // the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
00024 //
00025 // The U.S. Government is granted a limited license as per AL 91-7.
00026 //
00027 
00028 #ifndef _util_group_thpthd_h
00029 #define _util_group_thpthd_h
00030 
00031 #ifdef __GNUC__
00032 #pragma interface
00033 #endif
00034 
00035 #include <pthread.h>
00036 #include <util/group/thread.h>
00037 
00038 namespace sc {
00039 
00042 class PthreadThreadGrp: public ThreadGrp {
00043   private:
00044     pthread_t *pthreads_;
00045     pthread_attr_t *attr_;
00046 
00047     void init_attr();
00048     void init_priority(int, int);
00049   public:
00050     PthreadThreadGrp();
00051     PthreadThreadGrp(const PthreadThreadGrp&, int nthread = -1);
00052     PthreadThreadGrp(const Ref<KeyVal>&);
00053     ~PthreadThreadGrp();
00054 
00055     int start_threads();
00056     int wait_threads();
00057     void add_thread(int i, Thread* t) { ThreadGrp::add_thread(i,t); }
00058     void add_thread(int i, Thread* t, int priority);
00059     
00060     Ref<ThreadLock> new_lock();
00061 
00062     ThreadGrp* clone(int nthread = -1);
00063 };
00064 
00065 }
00066 
00067 #endif
00068 
00069 // Local Variables:
00070 // mode: c++
00071 // c-file-style: "ETS"
00072 // End: