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// This file is generated by WOK (CPPExt).
// Please do not edit this file; modify original file instead.
// The copyright and license terms as defined for the original file apply to
// this header file considered to be the "object code" form of the original source.
#ifndef _OSD_SharedMemory_HeaderFile
#define _OSD_SharedMemory_HeaderFile
#ifndef _Standard_HeaderFile
#include <Standard.hxx>
#endif
#ifndef _Standard_Macro_HeaderFile
#include <Standard_Macro.hxx>
#endif
#ifndef _Standard_Integer_HeaderFile
#include <Standard_Integer.hxx>
#endif
#ifndef _Standard_Address_HeaderFile
#include <Standard_Address.hxx>
#endif
#ifndef _TCollection_AsciiString_HeaderFile
#include <TCollection_AsciiString.hxx>
#endif
#ifndef _OSD_Error_HeaderFile
#include <OSD_Error.hxx>
#endif
#ifndef _Standard_Boolean_HeaderFile
#include <Standard_Boolean.hxx>
#endif
class Standard_ConstructionError;
class Standard_NullObject;
class OSD_OSDError;
class Standard_ProgramError;
class TCollection_AsciiString;
//! IPC Tools -Shared Memory <br>
//! This is a low level interface for communications. <br>
//! Using shared memory, processes can use a common area to <br>
//! communicate. <br>
//! You can create and delete a shared memory. <br>
class OSD_SharedMemory {
public:
void* operator new(size_t,void* anAddress)
{
return anAddress;
}
void* operator new(size_t size)
{
return Standard::Allocate(size);
}
void operator delete(void *anAddress)
{
if (anAddress) Standard::Free((Standard_Address&)anAddress);
}
//! Allocates room for shared memory name. <br>
//! This is to be used with 'Open'. <br>
//! In this case, the process is a client of shared memory. <br>
Standard_EXPORT OSD_SharedMemory();
//! Instantiates SharedMemory object with parameters. <br>
//! A name to make sure shared memory is unique and a size in <br>
//! bytes for the size of shared memory. <br>
Standard_EXPORT OSD_SharedMemory(const TCollection_AsciiString& Name,const Standard_Integer size);
//! Creates a shared memory in the system <br>
//! This is for a server process. <br>
Standard_EXPORT void Build() ;
//! Opens a shared memory <br>
//! Raises ConstructionError when the name contains characters <br>
//! not in range of ' '...'~'. <br>
//! Raises ProgramError when the size given is negative or null. <br>
//! This is for a server process. <br>
//! <br>
Standard_EXPORT void Open(const TCollection_AsciiString& Name,const Standard_Integer size) ;
//! Removes a shared memory access. <br>
//! This is used only by a server process ! <br>
Standard_EXPORT void Delete() ;
//! Returns address of shared memory. <br>
//! Raises NullObject when the Shared Memory is not created. <br>
Standard_EXPORT Standard_Address GiveAddress() const;
//! Returns TRUE if an error occurs <br>
Standard_EXPORT Standard_Boolean Failed() const;
//! Resets error counter to zero <br>
Standard_EXPORT void Reset() ;
//! Raises OSD_Error <br>
Standard_EXPORT void Perror() ;
//! Returns error number if 'Failed' is TRUE. <br>
Standard_EXPORT Standard_Integer Error() const;
protected:
private:
Standard_Integer myId;
Standard_Address myAddress;
TCollection_AsciiString myName;
Standard_Integer mySize;
OSD_Error myError;
};
// other Inline functions and methods (like "C++: function call" methods)
#endif
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