Jack2 1.9.6

JackPosixSemaphore.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 Lesser General Public License as published by
00006 the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
00013 
00014 You should have received a copy of the GNU Lesser General Public License
00015 along with this program; if not, write to the Free Software 
00016 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
00017 
00018 */
00019 
00020 #ifndef __JackPosixSemaphore__
00021 #define __JackPosixSemaphore__
00022 
00023 #include "JackSynchro.h"
00024 #include "JackCompilerDeps.h"
00025 #include <semaphore.h>
00026 #include <time.h>
00027 #include <assert.h>
00028 
00029 namespace Jack
00030 {
00031 
00036 class SERVER_EXPORT JackPosixSemaphore : public detail::JackSynchro
00037 {
00038 
00039     private:
00040 
00041         sem_t* fSemaphore;
00042 
00043     protected:
00044 
00045         void BuildName(const char* name, const char* server_name, char* res);
00046 
00047     public:
00048 
00049         JackPosixSemaphore():JackSynchro(), fSemaphore(NULL)
00050         {}
00051 
00052         bool Signal();
00053         bool SignalAll();
00054         bool Wait();
00055         bool TimedWait(long usec);
00056 
00057         bool Allocate(const char* name, const char* server_name, int value);
00058         bool Connect(const char* name, const char* server_name);
00059         bool ConnectInput(const char* name, const char* server_name);
00060         bool ConnectOutput(const char* name, const char* server_name);
00061         bool Disconnect();
00062         void Destroy();
00063 };
00064 
00065 } // end of namespace
00066 
00067 
00068 #endif
00069