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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:
50 PthreadThreadGrp();
51 PthreadThreadGrp(const PthreadThreadGrp&, int nthread = -1);
52 PthreadThreadGrp(const Ref<KeyVal>&);
53 ~PthreadThreadGrp();
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
60 Ref<ThreadLock> new_lock();
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: