Jack2  1.9.9
JackPosixProcessSync.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 __JackPosixProcessSync__
21 #define __JackPosixProcessSync__
22 
23 #include "JackPosixMutex.h"
24 #include "JackException.h"
25 #include <sys/time.h>
26 #include <unistd.h>
27 
28 namespace Jack
29 {
30 
36 {
37 
38  private:
39 
40  pthread_cond_t fCond; // Condition variable
41 
42  public:
43 
44  JackPosixProcessSync(const char* name = NULL):JackBasePosixMutex()
45  {
46  int res = pthread_cond_init(&fCond, NULL);
47  ThrowIf(res != 0, JackException("JackBasePosixMutex: could not init the cond variable"));
48  }
49 
50  virtual ~JackPosixProcessSync()
51  {
52  pthread_cond_destroy(&fCond);
53  }
54 
55  bool TimedWait(long usec);
56  bool LockedTimedWait(long usec);
57 
58  void Wait();
59  void LockedWait();
60 
61  void Signal();
62  void LockedSignal();
63 
64  void SignalAll();
65  void LockedSignalAll();
66 
67 };
68 
69 } // end of namespace
70 
71 #endif
72 
A synchronization primitive built using a condition variable.
Mutex abstraction.
Exception base class.
Definition: JackException.h:43