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ocl150a.zip
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OCL
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OMuxSem.hpp
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1996-08-12
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// OCL - OS/2 Class Library
// (c) Cubus 1995
// All Rights Reserved
// OMuxSem.hpp
/*
* 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/Include/rcs/OMuxSem.hpp 1.50 1996/08/11 23:47:23 B.STEIN Release $
#ifndef OMUXSEM_INCLUDED
#define OMUXSEM_INCLUDED
#ifndef OSTRING_INCLUDED
#include <OString.hpp>
#endif
#ifndef OVIOEXCEPTION_INCLUDED
#include <OVioException.hpp>
#endif
typedef class OMuxSem *pOMuxSem;
// in case of any return value !TRUE check muxState for error number
class __CPP_EXPORT__ OMuxSem
: public OCLObject
{
private:
OString muxName;
HMTX hmtx;
public:
ULONG muxState;
enum OMuxSemState {
immediate = SEM_IMMEDIATE_RETURN,
indefinite = SEM_INDEFINITE_WAIT
};
enum OMuxSemAction {
create = 0,
open
};
OMuxSem (HMTX handle) throw (OVioException&);
OMuxSem (PCSZ name,
ULONG action = OMuxSem::create,
BOOL shared = TRUE) throw (OVioException&);
virtual
~OMuxSem ();
virtual
PSZ isOfType () const;
BOOL
openMuxSem (HMTX handle),
openMuxSem (PCSZ name),
closeMuxSem (),
requestMuxSem (ULONG timeOut = OMuxSem::indefinite),
releaseMuxSem (),
queryMuxSem (PPID pid, // returns current owners process id
PTID tid); // returns current owners thread id
void setMuxSemHandle (HMTX handle);
HMTX getMuxSemHandle ();
};
#endif // OMUXSEM_INCLUDED
// end of source