77 lines
2.0 KiB
C++
77 lines
2.0 KiB
C++
/*
|
|
Copyright (C) 2004-2008 Grame
|
|
Copyright (C) 2013 Samsung Electronics
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation; either version 2.1 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
|
|
*/
|
|
|
|
#ifndef __JackAndroidSemaphore__
|
|
#define __JackAndroidSemaphore__
|
|
|
|
#include "JackSynchro.h"
|
|
#include "JackCompilerDeps.h"
|
|
#include <semaphore.h>
|
|
#include <time.h>
|
|
#include <assert.h>
|
|
|
|
#include <binder/IMemory.h>
|
|
#include <binder/MemoryHeapBase.h>
|
|
#include <utils/RefBase.h>
|
|
|
|
namespace Jack
|
|
{
|
|
|
|
/*!
|
|
\brief Inter process synchronization using POSIX semaphore.
|
|
*/
|
|
|
|
class SERVER_EXPORT JackAndroidSemaphore : public detail::JackSynchro
|
|
{
|
|
|
|
private:
|
|
|
|
sem_t* fSemaphore;
|
|
android::sp<android::IMemoryHeap> fSemaphoreMemory;
|
|
static pthread_mutex_t mutex;
|
|
|
|
protected:
|
|
|
|
void BuildName(const char* name, const char* server_name, char* res, int size);
|
|
|
|
public:
|
|
|
|
JackAndroidSemaphore():JackSynchro(), fSemaphore(NULL)
|
|
{}
|
|
|
|
bool Signal();
|
|
bool SignalAll();
|
|
bool Wait();
|
|
bool TimedWait(long usec);
|
|
|
|
bool Allocate(const char* name, const char* server_name, int value);
|
|
bool Connect(const char* name, const char* server_name);
|
|
bool ConnectInput(const char* name, const char* server_name);
|
|
bool ConnectOutput(const char* name, const char* server_name);
|
|
bool Disconnect();
|
|
void Destroy();
|
|
};
|
|
|
|
} // end of namespace
|
|
|
|
|
|
#endif
|
|
|