Jack2  1.9.8
JackProcessSync.h
1 /*
2 Copyright (C) 2004-2008 Grame
3 
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU Lesser General Public License as published by
6 the Free Software Foundation; either version 2.1 of the License, or
7 (at your option) any later version.
8 
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU Lesser General Public License for more details.
13 
14 You should have received a copy of the GNU Lesser General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17 
18 */
19 
20 #ifndef __JackProcessSync__
21 #define __JackProcessSync__
22 
23 #include "JackPlatformPlug.h"
24 #include "JackPosixMutex.h"
25 #include "JackException.h"
26 #include <sys/time.h>
27 #include <unistd.h>
28 
29 namespace Jack
30 {
31 
37 {
38 
39  private:
40 
41  pthread_cond_t fCond; // Condition variable
42 
43  public:
44 
46  {
47  int res = pthread_cond_init(&fCond, NULL);
48  ThrowIf(res != 0, JackException("JackBasePosixMutex: could not init the cond variable"));
49  }
50 
51  virtual ~JackProcessSync()
52  {
53  pthread_cond_destroy(&fCond);
54  }
55 
56  bool TimedWait(long usec);
57  bool LockedTimedWait(long usec);
58 
59  void Wait();
60  void LockedWait();
61 
62  void Signal();
63  void LockedSignal();
64 
65  void SignalAll();
66  void LockedSignalAll();
67 
68 };
69 
70 } // end of namespace
71 
72 #endif
73