ClickHouse/contrib/libpoco/Foundation/include/Poco/NamedEvent_UNIX.h

58 lines
1.1 KiB
C++

//
// NamedEvent_UNIX.h
//
// $Id: //poco/1.4/Foundation/include/Poco/NamedEvent_UNIX.h#1 $
//
// Library: Foundation
// Package: Processes
// Module: NamedEvent
//
// Definition of the NamedEventImpl class for Unix.
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef Foundation_NamedEvent_UNIX_INCLUDED
#define Foundation_NamedEvent_UNIX_INCLUDED
#include "Poco/Foundation.h"
#if defined(sun) || defined(__APPLE__) || defined(__osf__) || defined(__QNX__) || defined(_AIX)
#include <semaphore.h>
#endif
namespace Poco {
class Foundation_API NamedEventImpl
{
protected:
NamedEventImpl(const std::string& name);
~NamedEventImpl();
void setImpl();
void waitImpl();
private:
std::string getFileName();
std::string _name;
#if defined(sun) || defined(__APPLE__) || defined(__osf__) || defined(__QNX__) || defined(_AIX)
sem_t* _sem;
#else
int _lockfd; // lock file descriptor
int _semfd; // file used to identify semaphore
int _semid; // semaphore id
#endif
};
} // namespace Poco
#endif // Foundation_NamedEvent_UNIX_INCLUDED