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61 lines
1.2 KiB
C++
61 lines
1.2 KiB
C++
//
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// NamedMutex_UNIX.h
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//
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// $Id: //poco/1.4/Foundation/include/Poco/NamedMutex_UNIX.h#1 $
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//
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// Library: Foundation
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// Package: Processes
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// Module: NamedMutex
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//
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// Definition of the NamedMutexImpl class for Unix.
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//
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// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// SPDX-License-Identifier: BSL-1.0
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//
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#ifndef Foundation_NamedMutex_UNIX_INCLUDED
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#define Foundation_NamedMutex_UNIX_INCLUDED
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#include "Poco/Foundation.h"
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#include <sys/types.h>
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#include <sys/stat.h>
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#if defined(sun) || defined(__APPLE__) || defined(__osf__) || defined(__QNX__) || defined(_AIX)
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#include <semaphore.h>
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#endif
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namespace Poco {
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class Foundation_API NamedMutexImpl
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{
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protected:
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NamedMutexImpl(const std::string& name);
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~NamedMutexImpl();
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void lockImpl();
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bool tryLockImpl();
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void unlockImpl();
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private:
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std::string getFileName();
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std::string _name;
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#if defined(sun) || defined(__APPLE__) || defined(__osf__) || defined(__QNX__) || defined(_AIX)
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sem_t* _sem;
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#else
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int _lockfd; // lock file descriptor
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int _semfd; // file used to identify semaphore
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int _semid; // semaphore id
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#endif
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};
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} // namespace Poco
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#endif // Foundation_NamedMutex_UNIX_INCLUDED
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