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b0581433a7
fix: remove executable flag and change back to 100644 (was 100755) Signed-off-by: Roger Meier <r.meier@siemens.com>
68 lines
1.5 KiB
C++
68 lines
1.5 KiB
C++
//
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// NamedMutex_VMS.cpp
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//
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// $Id: //poco/1.4/Foundation/src/NamedMutex_VMS.cpp#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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// 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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#include "Poco/NamedMutex_VMS.h"
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#include <starlet.h>
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#include <iodef.h>
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namespace Poco {
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NamedMutexImpl::NamedMutexImpl(const std::string& name):
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_name(name)
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{
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_nameDesc.dsc$w_length = _name.length();
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_nameDesc.dsc$b_dtype = DSC$K_DTYPE_T;
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_nameDesc.dsc$b_class = DSC$K_CLASS_S;
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_nameDesc.dsc$a_pointer = _name.data();
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int status = sys$enqw(0, LCK$K_NLMODE, (struct _lksb*) &_lksb, 0, &_nameDesc, 0, 0, 0, 0, 0, 0);
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if (status != 1)
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throw SystemException("cannot create named mutex", _name);
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}
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NamedMutexImpl::~NamedMutexImpl()
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{
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sys$deq(m_lksb[1], 0, 0, 0);
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}
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void NamedMutexImpl::lockImpl()
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{
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int status = sys$enqw(0, LCK$K_EXMODE, (struct _lksb*) &_lksb, LCK$M_CONVERT, &_nameDesc, 0, 0, 0, 0, 0, 0);
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if (status != 1)
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throw SystemException("cannot lock named mutex", _name);
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}
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bool NamedMutexImpl::tryLockImpl()
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{
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int status = sys$enqw(0, LCK$K_EXMODE, (struct _lksb*) &_lksb, LCK$M_CONVERT | LCK$M_NOQUEUE, &_nameDesc, 0, 0, 0, 0, 0, 0);
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return status == 1;
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}
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void NamedMutexImpl::unlockImpl()
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{
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int status = sys$enqw(0, LCK$K_NLMODE, (struct _lksb*) &_lksb, LCK$M_CONVERT, &_nameDesc, 0, 0, 0, 0, 0, 0);
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if (status != 1)
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throw SystemException("cannot unlock named mutex", _name);
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}
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} // namespace Poco
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