Jack2  1.9.9
JackWinProcessSync.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 __JackWinProcessSync__
21 #define __JackWinProcessSync__
22 
23 #include "JackWinMutex.h"
24 
25 namespace Jack
26 {
27 
33 {
34 
35  private:
36 
37  HANDLE fEvent;
38 
39  public:
40 
41  JackWinProcessSync(const char* name = NULL):JackWinMutex(name)
42  {
43  if (name) {
44  char buffer[MAX_PATH];
45  snprintf(buffer, sizeof(buffer), "%s_%s", "JackWinProcessSync", name);
46  fEvent = CreateEvent(NULL, TRUE, FALSE, buffer); // Needs ResetEvent
47  //fEvent = CreateEvent(NULL, FALSE, FALSE, buffer); // Auto-reset event
48  } else {
49  fEvent = CreateEvent(NULL, TRUE, FALSE, NULL); // Needs ResetEvent
50  //fEvent = CreateEvent(NULL, FALSE, FALSE, NULL); // Auto-reset event
51  }
52 
53  ThrowIf((fEvent == 0), JackException("JackWinProcessSync: could not init the event"));
54  }
55  virtual ~JackWinProcessSync()
56  {
57  CloseHandle(fEvent);
58  }
59 
60  bool TimedWait(long usec);
61  bool LockedTimedWait(long usec);
62 
63  void Wait();
64  void LockedWait();
65 
66  void Signal();
67  void LockedSignal();
68 
69  void SignalAll();
70  void LockedSignalAll();
71 };
72 
73 } // end of namespace
74 
75 #endif
76 
A synchronization primitive built using a condition variable.
Exception base class.
Definition: JackException.h:43