JackFifo.h

00001 /*
00002 Copyright (C) 2004-2008 Grame  
00003 
00004 This program is free software; you can redistribute it and/or modify
00005   it under the terms of the GNU General Public License as published by
00006   the Free Software Foundation; either version 2 of the License, or
00007   (at your option) any later version.
00008 
00009   This program is distributed in the hope that it will be useful,
00010   but WITHOUT ANY WARRANTY; without even the implied warranty of
00011   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012   GNU General Public License for more details.
00013 
00014   You should have received a copy of the GNU General Public License
00015   along with this program; if not, write to the Free Software
00016   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00017 
00018 */
00019 
00020 #ifndef __JackFifo__
00021 #define __JackFifo__
00022 
00023 #include "JackSynchro.h"
00024 #include <assert.h>
00025 #include <stdio.h>
00026 #include <poll.h>
00027 
00028 namespace Jack
00029 {
00030 
00035 class JackFifo : public JackSynchro
00036 {
00037 
00038     private:
00039 
00040         int fFifo;
00041         pollfd fPoll;
00042 
00043         bool ConnectAux(const char* name, const char* server_name, int access);
00044 
00045     protected:
00046 
00047         void BuildName(const char* name, const char* server_name, char* res);
00048 
00049     public:
00050 
00051         JackFifo(): JackSynchro(), fFifo( -1)
00052         {}
00053         virtual ~JackFifo()
00054         {}
00055 
00056         bool Signal();
00057         bool SignalAll();
00058         bool Wait();
00059         bool TimedWait(long usec);
00060 
00061         bool Allocate(const char* name, const char* server_name, int value);
00062         bool Connect(const char* name, const char* server_name);
00063         bool ConnectInput(const char* name, const char* server_name);
00064         bool ConnectOutput(const char* name, const char* server_name);
00065         bool Disconnect();
00066         void Destroy();
00067 };
00068 
00069 } // end of namespace
00070 
00071 
00072 #endif
00073 

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