MPQC  2.3.1
thpthd.h
1 //
2 // thpthd.h
3 //
4 // Copyright (C) 1997 Limit Point Systems, Inc.
5 //
6 // Author: Edward Seidl <seidl@janed.com>
7 // Maintainer: LPS
8 //
9 // This file is part of the SC Toolkit.
10 //
11 // The SC Toolkit is free software; you can redistribute it and/or modify
12 // it under the terms of the GNU Library General Public License as published by
13 // the Free Software Foundation; either version 2, or (at your option)
14 // any later version.
15 //
16 // The SC Toolkit is distributed in the hope that it will be useful,
17 // but WITHOUT ANY WARRANTY; without even the implied warranty of
18 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 // GNU Library General Public License for more details.
20 //
21 // You should have received a copy of the GNU Library General Public License
22 // along with the SC Toolkit; see the file COPYING.LIB. If not, write to
23 // the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
24 //
25 // The U.S. Government is granted a limited license as per AL 91-7.
26 //
27 
28 #ifndef _util_group_thpthd_h
29 #define _util_group_thpthd_h
30 
31 #ifdef __GNUC__
32 #pragma interface
33 #endif
34 
35 #include <pthread.h>
36 #include <util/group/thread.h>
37 
38 namespace sc {
39 
42 class PthreadThreadGrp: public ThreadGrp {
43  private:
44  pthread_t *pthreads_;
45  pthread_attr_t *attr_;
46 
47  void init_attr();
48  void init_priority(int, int);
49  public:
51  PthreadThreadGrp(const PthreadThreadGrp&, int nthread = -1);
54 
55  int start_threads();
56  int wait_threads();
57  void add_thread(int i, Thread* t) { ThreadGrp::add_thread(i,t); }
58  void add_thread(int i, Thread* t, int priority);
59 
61 
62  ThreadGrp* clone(int nthread = -1);
63 };
64 
65 }
66 
67 #endif
68 
69 // Local Variables:
70 // mode: c++
71 // c-file-style: "ETS"
72 // End:
sc::PthreadThreadGrp::add_thread
void add_thread(int i, Thread *t)
Assigns a Thread object to each thread.
Definition: thpthd.h:57
sc::PthreadThreadGrp::start_threads
int start_threads()
Starts the threads running.
sc::Ref
A template class that maintains references counts.
Definition: ref.h:332
sc::Thread
The Thread abstract class defines an interface which must be implemented by classes wishing to be run...
Definition: thread.h:79
sc::ThreadGrp::add_thread
virtual void add_thread(int threadnum, Thread *thread)
Assigns a Thread object to each thread.
sc::PthreadThreadGrp::new_lock
Ref< ThreadLock > new_lock()
Return a local object.
sc::ThreadGrp::nthread
int nthread() const
The number of threads that will be run by start_thread.
Definition: thread.h:111
sc::ThreadGrp
The ThreadGrp abstract class provides a means to manage separate threads of control.
Definition: thread.h:92
sc::PthreadThreadGrp::wait_threads
int wait_threads()
Wait for all the threads to complete.
sc::PthreadThreadGrp::clone
ThreadGrp * clone(int nthread=-1)
Create a ThreadGrp like the current one.
sc::PthreadThreadGrp
The PthreadThreadGrp class privides a concrete thread group appropriate for an environment where pthr...
Definition: thpthd.h:42

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