Jack2 1.9.12

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
35 class JackPosixProcessSync : public JackBasePosixMutex
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
Jack::JackPosixProcessSync
A synchronization primitive built using a condition variable.
Definition: JackPosixProcessSync.h:35
Jack::JackBasePosixMutex
Mutex abstraction.
Definition: JackPosixMutex.h:38
Jack::JackException
Exception base class.
Definition: JackException.h:43