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OCriticalSec.cpp
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1996-08-12
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89 lines
// OCL - OS/2 Class Library
// (c) Cubus 1995
// All Rights Reserved
// OCriticalSec.cpp
/*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Neither the name Cubus nor the name Team OCL may be used to
* endorse or promote products derived from this software
* without specific prior written permission.
* 3. See OCL.INF for a detailed copyright notice.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
// $Header: W:/Projects/OCL/Source/rcs/OCriticalSec.cpp 1.50 1996/08/11 23:49:12 B.STEIN Release $
#define __OCL_SOURCE__
#define OINCL_OSTRING
#define OINCL_BASE
#include <ocl.hpp>
#include <OCriticalSec.hpp>
#include <OMessage.hpp>
OCriticalSec::OCriticalSec(BOOL automaticEnter)
: isEntered(FALSE)
{
if (automaticEnter)
enter();
}
OCriticalSec::~OCriticalSec()
{
if (isEntered)
exit();
}
PSZ OCriticalSec::isOfType() const
{
return("OCriticalSec");
}
void OCriticalSec::enter() throw(OVioException&)
{
APIRET rc;
if (isEntered)
return;
rc = DosEnterCritSec();
if (rc != 0)
throw OVioException(OCL::apierror(40, rc), rc, OException::unrecoverable);
isEntered = TRUE;
}
void OCriticalSec::exit() throw(OVioException&)
{
APIRET rc;
if (!isEntered)
return;
rc = DosExitCritSec();
if (rc != 0)
throw OVioException(OCL::apierror(41, rc), rc, OException::unrecoverable);
isEntered = FALSE;
}
// end of source