/usr/include/corelinux/MutexSemaphoreGroup.hpp is in libcorelinux-dev 0.4.32-7.4ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#define __MUTEXSEMAPHOREGROUP_HPP
/*
CoreLinux++
Copyright (C) 1999,2000 CoreLinux Consortium
The CoreLinux++ Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The CoreLinux++ Library Library is distributed in the hope that it will
be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#if !defined(__COMMON_HPP)
#include <Common.hpp>
#endif
#if !defined(__SEMAPHOREGROUP_HPP)
#include <SemaphoreGroup.hpp>
#endif
namespace corelinux
{
DECLARE_CLASS( MutexSemaphoreGroup );
/**
A MutexSemaphoreGroup is an extension to the SemaphoreGroup for creating
only MutexSemaphore types. Default behavior for creating semaphores via
the SemaphoreGroup interface is to NOT autolock the MutexSemaphore. Use
the createLockedSemaphore(...) interface to accomplish this.
*/
class MutexSemaphoreGroup : public SemaphoreGroup
{
public:
/**
Default constructor creates a private group
semaphores with access for OWNER_ALL
@param Short Number of semaphores in group
@param AccessRights Specifies access control for
group
@exception Assertion if aCount < 1
@exception SemaphoreException if kernel group
create call fails.
@see AccessRights
*/
MutexSemaphoreGroup( Short, Int Rights = OWNER_ALL )
throw(Assertion,SemaphoreException);
/**
Constructor to open or create a semaphore group with
a specific identifier.
@param Short Number of semaphores in group,
this only has meaning used if failOnExist = true
@param SemaphoreGroupIdentifier valid group
identifier either through a system call or via
another ipc mechanism
@param AccessRights Specifies access control for
group
@param CreateDisposition indicates how to treat the
conditions that the group may meet in the request:
<br>
CREATE_OR_REUSE indicates that the caller doesn't care
<br>
FAIL_IF_EXISTS indicates the attempt was for a create
<br>
FAIL_IF_NOTEXISTS indicates the attempt was for a open
@exception Assertion if aCount < 1
@exception SemaphoreException for described states
*/
MutexSemaphoreGroup
(
Short,
SemaphoreGroupIdentifierCref,
Int ,
CreateDisposition disp=FAIL_IF_EXISTS
) throw(Assertion,SemaphoreException);
/**
Constructor to open or create a semaphore group by
name.
@param Short Number of semaphores in group,
this only has meaning used if failOnExist = true
@param Char pointer to Group name
@param AccessRights Specifies access control for
group
@param CreateDisposition indicates how to treat the
conditions that the group may meet in the request:
CREATE_OR_REUSE indicates that the caller doesn't care
FAIL_IF_EXISTS indicates the attempt was for a create
FAIL_IF_NOTEXISTS indicates the attempt was for a open
@exception Assertion if aCount < 1 or
aCount > system defined maximum for group
@exception SemaphoreException for described states
*/
MutexSemaphoreGroup
(
Short,
CharCptr,
Int ,
CreateDisposition disp=FAIL_IF_EXISTS
) throw(Assertion,SemaphoreException);
/// Virtual destructor
virtual ~MutexSemaphoreGroup( void );
//
// Accessors
//
//
// Factory methods
//
/**
Create a default MutexSemaphore
@return AbstractSemaphore aSem - pointer to created semaphore
@exception SemaphoreException if no sems left in group
*/
virtual AbstractSemaphorePtr createSemaphore( void )
throw( SemaphoreException ) ;
/**
Create a locked MutexSemaphore
@return AbstractSemaphore aSem - pointer to created semaphore
@exception SemaphoreException if no sems left in group
*/
virtual AbstractSemaphorePtr createLockedSemaphore
(
bool Recursive = false,
bool Balking = false
) throw( SemaphoreException ) ;
/**
Create or open (use) a specific MutexSemphore
@param SemaphoreIdentifier identifies which semphore id to
create or attempt to use
@param CreateDisposition indicates how to treat the conditions
that the group may meet in the request:
CREATE_OR_REUSE indicates that the caller doesn't care
FAIL_IF_EXISTS indicates the attempt was for a create
FAIL_IF_NOTEXISTS indicates the attempt was for a open
@param Recursive to allow same thread multiple locks
@param Balking to allow the semaphore to balk
@return AbstractSemaphore aSem - pointer to created or
opened semaphore
@exception SemaphoreException if the disposition disagrees
with the semaphore state, or if it is a erroneous identifier
*/
virtual AbstractSemaphorePtr createSemaphore
(
SemaphoreIdentifierRef aIdentifier,
CreateDisposition disp = CREATE_OR_REUSE,
bool Recursive = false,
bool Balking = false
) throw( SemaphoreException ) ;
/**
Create or open (use) a specific MutexSemphore and have it
automatically locked.
@param SemaphoreIdentifier identifies which semphore id to
create or attempt to use
@param CreateDisposition indicates how to treat the conditions
that the group may meet in the request:
CREATE_OR_REUSE indicates that the caller doesn't care
FAIL_IF_EXISTS indicates the attempt was for a create
FAIL_IF_NOTEXISTS indicates the attempt was for a open
@param Recursive to allow same thread multiple locks
@param Balking to allow the semaphore to balk
@return AbstractSemaphore aSem - pointer to created or
opened semaphore
@exception SemaphoreException if the disposition disagrees
with the semaphore state, or if it is a erroneous identifier
*/
virtual AbstractSemaphorePtr createLockedSemaphore
(
SemaphoreIdentifierRef aIdentifier,
CreateDisposition disp = CREATE_OR_REUSE,
bool Recursive = false,
bool Balking = false
) throw( SemaphoreException ) ;
/**
Create or open (use) a specific MutexSemphore
@param string identifies which semphore id to create or
attempt to use
@param CreateDisposition indicates how to treat the conditions
that the group may meet in the request:
CREATE_OR_REUSE indicates that the caller doesn't care
FAIL_IF_EXISTS indicates the attempt was for a create
FAIL_IF_NOTEXISTS indicates the attempt was for a open
@param Recursive to allow same thread multiple locks
@param Balking to allow the semaphore to balk
@return AbstractSemaphore aSem - pointer to created or
opened semaphore
@exception SemaphoreException if the disposition disagrees
with the semaphore state, or if it is a erroneous identifier
*/
virtual AbstractSemaphorePtr createSemaphore
(
std::string aName,
CreateDisposition disp = CREATE_OR_REUSE,
bool Recursive=false,
bool Balking = false
) throw( SemaphoreException ) ;
/**
Destroys a created MutexSemaphore
@note Reference counting is not enabled so applications
should ensure that only one (1) destroy is called per
semaphore.
@param AbstractSemaphore pointer of semaphore to destroy
@exception SemaphoreException if semaphore does not belong
to this group or if already destroyed.
*/
virtual void destroySemaphore( AbstractSemaphorePtr )
throw( SemaphoreException ) ;
protected:
//
// Constructors
//
/// Default constructor not allowed
MutexSemaphoreGroup( void ) throw( Assertion );
/// Copy constructor not allowed
MutexSemaphoreGroup( MutexSemaphoreGroupCref )
throw( Assertion );
//
// Operator overloads
//
/// Assignment operator not allowed
MutexSemaphoreGroupRef operator=( MutexSemaphoreGroupCref )
throw( Assertion );
/// Protected method for resolving mutex between CSA and local
AbstractSemaphorePtr resolveSemaphore
(
SemaphoreIdentifierRef aIdentifier,
Short aSemId,
CreateDisposition aDisp,
bool aRecurse,
bool aBalk,
bool aAutoLock = false
) throw( SemaphoreException ) ;
private:
/// Temporary registration collection
SemaphoreShares theUsedMap;
};
}
#endif // if !defined(__MUTEXSEMAPHOREGROUP_HPP)
/*
Common rcs information do not modify
$Author: frankc $
$Revision: 1.4 $
$Date: 2000/06/04 22:16:32 $
$Locker: $
*/
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