mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-10-04 15:40:49 +00:00
61 lines
1.2 KiB
C++
61 lines
1.2 KiB
C++
//
|
|
// NamedMutex_UNIX.h
|
|
//
|
|
// $Id: //poco/1.4/Foundation/include/Poco/NamedMutex_UNIX.h#1 $
|
|
//
|
|
// Library: Foundation
|
|
// Package: Processes
|
|
// Module: NamedMutex
|
|
//
|
|
// Definition of the NamedMutexImpl class for Unix.
|
|
//
|
|
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
|
|
// and Contributors.
|
|
//
|
|
// SPDX-License-Identifier: BSL-1.0
|
|
//
|
|
|
|
|
|
#ifndef Foundation_NamedMutex_UNIX_INCLUDED
|
|
#define Foundation_NamedMutex_UNIX_INCLUDED
|
|
|
|
|
|
#include "Poco/Foundation.h"
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#if defined(sun) || defined(__APPLE__) || defined(__osf__) || defined(__QNX__) || defined(_AIX)
|
|
#include <semaphore.h>
|
|
#endif
|
|
|
|
|
|
namespace Poco {
|
|
|
|
|
|
class Foundation_API NamedMutexImpl
|
|
{
|
|
protected:
|
|
NamedMutexImpl(const std::string& name);
|
|
~NamedMutexImpl();
|
|
void lockImpl();
|
|
bool tryLockImpl();
|
|
void unlockImpl();
|
|
|
|
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_NamedMutex_UNIX_INCLUDED
|