Jack2 1.9.12

JackActivationCount.cpp
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 #include "JackAtomic.h"
21 #include "JackActivationCount.h"
22 #include "JackConstants.h"
23 #include "JackClientControl.h"
24 #include "JackError.h"
25
26 namespace Jack
27 {
28
29 bool JackActivationCount::Signal(JackSynchro* synchro, JackClientControl* control)
30 {
31 if (fValue == 0) {
32 // Transfer activation to next clients
33 jack_log("JackActivationCount::Signal value = 0 ref = %ld", control->fRefNum);
34 return synchro->Signal();
35 } else if (DEC_ATOMIC(&fValue) == 1) {
36 return synchro->Signal();
37 } else {
38 return true;
39 }
40 }
41
42 } // end of namespace
43
jack_log
SERVER_EXPORT void jack_log(const char *fmt,...)
Definition: JackError.cpp:108